.308 Winchester

[ChiefBull]

Re: Loads For .308 Winchester

Where did it go?
Filed it over an hour ago
Hoped for ?s, comments, and suggestions
Or,am I locked out?
Ha
V/R
ChiefBull

 

[ChiefBull]

Re: Loads For .308 Winchester

On this forum have seen "neck sizing". Have always used F/L sizing. Have been leary of it; would someone explain it to me.
Benefits and debits. Can I extend the life of my brass, not that I'm worried there, have a full seabag of it, once fired too.

all the best
Anchor's Away/SemperFi
ChiefBull

 

[ChiefBull]

Re: Loads For .308 Winchester

Asked a question yesterday and filed a post
Haven't seen any replies, questions, comments, or suggestions
Is it a common thing to be ignored on this forum?
Is there a secret handshake I need to know?
Need help here
Or, should I go elsewhere?
Really like the data flow coming in.

all the best
ChiefBull

 

[ChiefBull]

Re: Loads For .308 Winchester

WEell thank you very much have a record of my posts and something from "Wireman" thanbk you. But it does seem from the thundering silence that I am talking to myself, per "Wireman's" question

all the best
ChiefBull

 

[Graham]

Re: Loads For .308 Winchester

You post this:<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">I can sure tell you this from '89 through '91 when I was in my "prime" and shooting on the USN National Team, wife was pissed at me as I was gone forever, I shot on average 200 rounds a week in practice either at Q'town, Fairfax, or Leujeune [?sp?] and sometimes more.</div></div>But then you ask a neophyte question like this:<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">On this forum have seen "neck sizing". Have always used F/L sizing. Have been leary of it; would someone explain it to me.</div></div>That leads us to believe that you are living in your own head, and wasting our time.

 

[Andy Warhog]

Re: Loads For .308 Winchester

What exactly are you after chief? Every barrel is different, giving them each different dope. If you want a m118 clone, buy a box of m118 and mimic the results with your own components in YOUR rifle

 

[hollowpoint]

Re: Loads For .308 Winchester

 

[MD2Colo]

Re: Loads For .308 Winchester

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: mwhite</div><div class="ubbcode-body">Anyone know the correct oal of the LR m118 sniper ammo(the real stuff) the military uses for the m40a1 and a3, and how much powder is used, i've read that they keep there ammo around 2550 to 2580fps with the 175smk. </div></div>

Coal 2.812-2.815, LC LR 10

And from what i've gathered on here as to powder; 43.1 to 43.3 gn of RL-15 with cci #34 primers. Obviously LC LR brass and 175 SMKs.

 

[aam]

Re: Loads For .308 Winchester

Rifle AI AW
Barrel Factory 1/12 twist, 26"
Chrono Oehler 35p 9 ft from muzzle.

Temp 92.3 F
R.H 28.9
Baro 29.90
Elev 98 feet

Case - Lapua, Cases are full length resized
Primer- GM215M (Federal Magnum Match)
Powder- Varget--44.4 grs
Bullet -Lapua 170 lock Base
Coal - 2.810

2754 fps

This load is just starting to get on the warm side. Primers are just starting to flatten. No sticky bolt lift.

 

[Scouter19D]

Re: Loads For .308 Winchester

Rifle: Springfield M1A 22" NM Med Weight

Bullet: Hornady 178 gr. AMAX
Primer: CCI BR-2
Powder: RE-15 @ 43 grs.
Case: Federal Premium (2.012")
COAL: 2.810

Temp: 35 F
Avg. Velocity: 2520
ES: 47
SD: 16
HI: 2539
LO: 2492

It was an 8 Shot test at roughly 12 feet from ProChrono. It's a heck of a round, posting three groups at 200 yards of 1.2", 1.5", and a freakishly abnormal .820". When adding even a half grain more powder, groups opened dramatically. The longest it's been shot to is 500 yards, under some fairly good gusting winds. It was like a lazer on 2-liter bottles. Very impressed with the overall performance and mild recoiling of the round, just not sure if there's enough speed to push this particular load out as far as I'd like to one day. Either way its the best running round in this particular rifle. Gonna stick with it.

 

[ChiefBull]

Re: Loads For .308 Winchester

Everybody lives inside their head, Mr.Expert on everything from Michigan. Didn't really know your time was so valuable, so go bung yourself if you don't want to answer the qustion, no matter how inexpertly put. That's if ya' can answer the question?
Anchor'sAweigh/SemperFi
Have a fine Navy Day "sypho"

 

[Graham]

Re: Loads For .308 Winchester

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">Asked a question yesterday and filed a post
Haven't seen any replies, questions, comments, or suggestions
Is it a common thing to be ignored on this forum?</div></div>Nope. Usually you've got to work at it, either by torquing people off or by creeping them out. Here you were doing such a good job of talking to yourself that we didn't want to be impolite by interrupting you.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">Everybody lives inside their head, Mr.Expert on everything from Michigan.</div></div>You see, when you say something like that it starts to sound a bit creepy. As I told you before: I've never claimed to be an expert on everything from Michigan. I have been qualified as a expert on a few things that were made in Ohio, though.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">Or, should I go elsewhere?</div></div>Well, now that you mention it...

 

[Bob 964]

Re: Loads For .308 Winchester

Hornady A-Max 208
Savage 110FP .308 w/24" barrel @ 1:10 twist and SWFA SS 16X42 scope
Alliant RE-15 powder @ 42.9 gr.
Hornady Match brass sized to 2.005"
Federal 210M primers
Length to ogive 2.259" (0.015" out of lands)

Shot 4 5-shot groups (20 total rounds) @ 300 yds. 50 degrees. North Florida (flat). Wind light & swirling.

Group 1 Max. Spread 4.345" (1.383 MOA) ATC 1.688" (0.537 MOA)
Group 2 Max. Spread 3.804" (1.211 MOA) ATC 1.073" (0.342 MOA)
Group 3 Max. Spread 1.755" (0.559 MOA) ATC 0.618" (0.197 MOA)
Group 4 Max. Spread 1.920" (0.611 MOA) ATC 0.789" (0.251 MOA)

Median value for muzzle velocity is 2465 fps.

The JBM model gave me some really good elevation/windage data. I was shooting at a 12" Shoot-N-C target, and:

3 of 20 were within the 1" black diamond (point of aim)
11 of 20 were within the 3" diameter orange circle surrounding the 1" black diamond
5 were within the 1.5" ring surrounding the 3" diameter orange circle
1 was within the outer 3" ring

Holes are round - no "keyholes" or other anomalies.

Editorial comment: This bullet comes out of my gun like an ICBM. I like it a lot. I am trying to shoot the heaviest/biggest bullet my barrel will stabilize. If your barrel will stabilize the 208, I recommend you try it.

I am working up a load using the Alliant PowerPro 2000 MR powder and hope to post the results soon.

Bob

 

[Jeepocabra]

Re: Loads For .308 Winchester

Savage 10fcp w factory 22 inch barrel and chamber 1:10 twist
~3000 foot elevation.
20-60 degree weather during test sessions.

Once fired Winchester brass neck sized with .331 bushing redding die
CCI BR-2 primers
3.217 when measured with scinclair comparator (about .005 jump to the lands of my rifle.)
150gr Nosler acubond
49.2nd varget (over book by .7 gr)
3130fps
Very slight primer cratering, easy extraction and no shiny brass spots.

During ladder testing I went to 50gr before getting extracted marks. 49, 49.5, and 50 gr shot into a 1 inch circle at 350 yards, without wind all three holes would touch in a vertical line.

According to bulletflite on my iPhone this load has less drop and windage out to 1000 than factory southwest ammo 175gr smk loads, and is more accurate than the sw ammo at 500.

Should be an awesome Kritter getter.

 

[MD2Colo]

Re: Loads For .308 Winchester

M118LR (genuine)
GAP M24
mean velocity of 30 rounds with a DA of 7542 feet

2712 fps

2675 fps low
2736 fps high

Hornady 178gr Superformance Match
mean velocity of 20 rounds with a DA of 7555 feet

2740 fps

2717 fps low
2765 fps high

 

[zmann]

Re: Loads For .308 Winchester

Hey guys,

I've got a GAP10 in .308 with a 20" barrel and 11.25 twist. I'm reloading with 168gr amax bullets and federal once fired brass. Federal Match? Large rifle primers.

Looking for a few good loads using Varget and/or RL15. Or if you have the same gun/build let me know what you are having good luck with.

I've tried a search of just the reloading threads with no luck.

Thanks in advance.

-Zach

Found this so far... Thanks

44gr. R15 168gr. A-Max @ 2.8 COL. CCI LR.

 

[maggitas]

Re: Loads For .308 Winchester

My current load out of my Texas Brigade Armory .308 Win. M40A5 26 inch Shilen 1:10 Twist.

IMI Match Brass
42.9 Gr Vihtavouri N540
CCI BR2
175 Gr SMK
2.230 Measured from the Ogive.
Brass trimmed to 2.005

This prints one ragged hole at 100 Yds.

 

[rkaires]

Re: Loads For .308 Winchester

AAC-SD with AICS

Still working on load development.

Best so far:
175 SMK coal 2.800"
Hornady Match brass trimed to 2.005"
Fed 210m
IMR4064 42.2gr
.5" @ 100yds for 5 shots

 

[Aimsmall55]

Re: Loads For .308 Winchester

Gap Crusader. Lapua brass. 44.5 varget. 175 smk. 2.825". 2750 fps. Groups at 100 1/4 moa. Usually 2 to 3" at 500.

 

[Matt700]

Re: Loads For .308 Winchester

Hey folks i have a question on reloading for 1000+ yds. I currently load smk155(not the palmas). My charge is 46gr of varget out of a 26" krieger 5R. With this load i hold right under moa(0.9) @1200yds. I want to stretch further but i think this load wont perform well much further out. Im thinking about load the smk155 palmas with the same charge. According to my rough math the palmas should still be moving at about 1400fps @1000yds. My current load moving around 1275 @1000 yds. Am i going about this the best way or should i just bump it up to 175gr smk's? Thanks for the help

 

[Aimsmall55]

Re: Loads For .308 Winchester

I would bump up to the 175's..... I don't know the sectional density of the 155's but with a Krieger 26"er, I would go with the 175's because you will be supersonic well past 1k. Or you could go with the 155 scenars and just load em hoooottttt

 

[DeputyTD]

Re: Loads For .308 Winchester

Lots of great information here. This is going to be tons of help!

 

[ChiefBull]

Re: Loads For .308 Winchester

So how does this get done?
I have a 24"/1:10 twist barrel
Sized up Winhester Brass and built a dead round with the 208AMax. Slicks into the chamber very well; all well at this point.
How are you charging the case, using a drop tube? What I have with 48.5grn. of RL-17 is a compressed charge?
Tried to build a round and wrinkled the bullet.
What's Up?
ChiefBull
Anchor'sAweigh/SemperFi

 

[Downzero]

Re: Loads For .308 Winchester

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">So how does this get done?
I have a 24"/1:10 twist barrel
Sized up Winhester Brass and built a dead round with the 208AMax. Slicks into the chamber very well; all well at this point.
How are you charging the case, using a drop tube? What I have with 48.5grn. of RL-17 is a compressed charge?
Tried to build a round and wrinkled the bullet.
What's Up?
ChiefBull
Anchor'sAweigh/SemperFi </div></div>

Powder too slow for .308, not enough capacity to use it.

 

[ChiefBull]

Re: Loads For .308 Winchester

Thank You "Downzero" Thought something was wrong here. Got this recipe off page 7 here. Guy "claims" he's using RL-17 with a 208AMax; after some bench work I don't see how. at any rate untl someone demoinstrates this to meI'm going to leave well enough alone. I think 190SMK or 190 VLD Berger will get the job done for L/R competition

all the best
Anchor'sAweigh/SemperFi
ChiefBull

 

[Emouse]

Re: Loads For .308 Winchester

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Matt700</div><div class="ubbcode-body">Hey folks i have a question on reloading for 1000+ yds. I currently load smk155(not the palmas). My charge is 46gr of varget out of a 26" krieger 5R. With this load i hold right under moa(0.9) @1200yds. I want to stretch further but i think this load wont perform well much further out. Im thinking about load the smk155 palmas with the same charge. According to my rough math the palmas should still be moving at about 1400fps @1000yds. My current load moving around 1275 @1000 yds. Am i going about this the best way or should i just bump it up to 175gr smk's? Thanks for the help </div></div>

Holy shit Matt,...we have factory RUAG here as issue NRA ammo. It runs hot and is loaded with the 155 SMK too. Bisley is at 69ft ASL and at 1100 these things fall out the sky certainly not MOA.

155gr SMK in the .308 simply isnt a sub MOA contender at 1200 yds, not unless ur up in the thin dry air of the pakistani borders!!!!

 

[Emouse]

Re: Loads For .308 Winchester

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">Thank You "Downzero" Thought something was wrong here. Got this recipe off page 7 here. Guy "claims" he's using RL-17 with a 208AMax; after some bench work I don't see how. at any rate untl someone demoinstrates this to meI'm going to leave well enough alone. I think 190SMK or 190 VLD Berger will get the job done for L/R competition

all the best
Anchor'sAweigh/SemperFi
ChiefBull </div></div>

Chief,...RL17 works well in .308 withheavy bullets/long barrels. The UK Internatiuonal Palma Team is using this. 17 does not work well with lighter bullets in .308.

 

[ChiefBull]

Re: Loads For .308 Winchester

Hey learnin' by the seat of my arse. Glad I learned it here and at the bench instead of on the range. As a rule of personal practice I generally shoot .308 loads with maximum density of propellant, no crimp, dimension taken from the ogive,and the head set into Ls/Gs slightly. Was interested in this round. My normal is a 190SMK on top of 42.2 grns. IMR4064. Primers are somewaht flat, but still have radius; bolt slicks oin extraction With that design I am at full load in the case, silghtly compressed. Point here is that I am not a stranger to max density charges, and the importance of having all these variables "nailed down" so to speak. But, when I set up this A/Max and dropped that "17" into the case, either I was missing something, the guy on page "7" was incorrect or misstated something to me [unintentionally] or I just plain don't get it.
Other aspects of his platfom are identical to mine, but it ain't RL17 in that case that is unless he's using a pneumatic jack to "tmap down" the propellant, ain't no room at the inn. On reflection here, I have come to the consideratrion that I might be unrealistically pushing the performance envelope of "my" .308 at this point. Maybe, I will revisit this issue at a much later time.
all the best
Anchor'sAweigh/SemperFi
ChiefBull

 

[sako.308]

Re: Loads For .308 Winchester

ok here is my load thus far (2nd time reloading rifle ever, so i am still learning)

remy 700 .308 sps 26" varmit w/700p stock with no other mods

FGMM brass
Fed 210 primers
Lapua scenar 155 bthp
varget -- 44.0 grains
neck tention (mesured id of case minus bullet od)-- .0015
seated at box mag length -- 2.8340 +/- .007 do to bullets un equal OAL
estimating off reloading book 2680 fps (ish)



pic of result

shooting conditons: no wind, 100yrds, 95deg F, 150' ASL, 75% humidity

I am still a new shooter to accuaracy, should also be noted the 2 flyers were do to a 7mm mag (broke) 4' away A**hole

20 shot group with no brake in time other than to load new shell.

 

[syme71]

Re: Loads For .308 Winchester

My .308 load:

175gr SMK
44.3gr Varget
Fed 210 Primers
Lapua Brass
.015 Jump
Neck Bushing Sized .336

2652 FPS @ 6' from muzzle

 

[Pusher591]

Re: Loads For .308 Winchester

Hornady 178 BTHP
Winchester Brass
Varget 43.8 Grains
OAL 2.820

This load produced the best groups and ES/SD from my 17.5" Surgeon with a Brux barrel.

Average Velocity- 2547

*** This load was my recommendation but the blood,sweat, and tears of loading it goes to Andrew @ McCourt Munitions. His brass prep and attention to powder charge detail is awesome. This load will be my go to load as it shot 1/4 MOA at 100 and 1/2-3/4 MOA at 620 yards.

*** This loading is slightly compressed with the Hornady 178 BTHP's ****

 

[uracowman]

Re: Loads For .308 Winchester

does anyone here have a sako trg 22 .308 load?

I'm looking for a good starting load at around 2.880 OAL using varget and 178g amaxes.

 

[joebino55]

Re: Loads For .308 Winchester

Just got back from testing some 185 Berger Hybrids. I am jumping them .015" in a 26" Krieger 1 in 10 twist barrel. My two most accurate loads were:

42gr Varget
CCI BR2
LC LR Brass
2623 fps avg
14.78 ES
5.56 SD
5 shots .95" at 250 yards


43gr Varget
CCI BR2
LC LR Brass
2679 fps avg
11.28 ES
5.38 SD
5 shots .9" at 250 yards

 

[Triple D]

Re: Loads For .308 Winchester

700p, 26" 1:12 twist
Bullet: 178 Amax
Brass: Once fired FGMM
Primer: Fed 210
Powder: 43gr RL-15
Seated to 2.82

Sub 1/2 moa at 300yds. I'm not sure what the actual velocity is since it hasn't been chronographed, but it takes 5 moa to get on at 300 and 15.5-15.75 moa at 600yds.

43.5gr's shot close, but had a slightly wider spread at 300 (1.5").
Didn't get a chance to go to 300 due to a limited number of rounds, but 44grs printed .4" at 100yds.

 

[david walter]

Re: Loads For .308 Winchester

Need some loads that will work out to 1,000 yards using the 308 cal 155 grain AMAX or 155 lapua in a short (20" LTR) barrel.

Can it be done?

I want develop a load my GF can shoot a lot of to develop LR skills and can take with her to a precision rifle class.

 

[jac74]

Re: Loads For .308 Winchester

<span style="font-weight: bold">Underground Skunkworks, 22" Bartlin 1:10 twist 5R rifling.</span>
Current Load:
175 SMK, 43.5g IMR 4064, Winchester brass 2.007, CCIBR2 primers, 2.80 OAL,2690 FPS. Temp:82, BP: 30.02, Humidity:87%, Alt:110ft.

Load I'm Currently working on: Same gun
175 SMK, 43.0 IMR 8208, Winchester brass 2.007, CCIBR2 primers,
2.80 OAL, 2700 FPS < this is not a typo. Temp:73, BP:30.05, Humidity: 100%. Please note: On this load I am 0.5 grains over the IMR web site max charge. I loaded up to this very slowly and the brass I used was on its 4th firing.It showed no signs of over pressure, sticky bolt,flattened out primers or any other signs that would indicate problems.

<span style="font-weight: bold">Rifle I learnd to shoot with: Remington SPS tactical 308, Stock barrel 1:12 twist. Put over 4000 rounds through it.</span>

Best load:
175 SMK, 44.0g IMR 4064, Winchester brass 2.005, CCIBR2 primers, 2.80 OAL,2600 FPS. Temp:74, BP: 29.94, Humidity:60%, Alt:110ft.
Tried some 8208,(43.0) grains in this gun, same configuration but the speed was on the slow side: 2540.

Varget load: SPS tac
175 SMK, 45.5g, Varget, Winchester brass 2.005, CCIBR2 primers, 2.80 OAL,2628 FPS. Temp:85, BP: 30.1, Humidity:85%, Alt:110ft.

All bullet speed indications were shot over a Pro-chrono, 10ft from the barrel.

 

[bubbapug1]

Re: Loads For .308 Winchester

Jac 74 - That's just Super!!! I was looking at trying to dial in a load myself for the 175 smks for 1000 yard matches, and than this showed up.

Does anyone have any loads for 175 smks <span style="text-decoration: underline"><span style="font-weight: bold">using TAC</span></span> around 2650 or 2700 fps

 

[Tangodown911]

Re: Loads For .308 Winchester

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: parsintrensiac</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Tangodown911</div><div class="ubbcode-body">
It will only shoot the infamous 45.0 grains of varget in VIRGIN win brass in the .4's as well. 1x fired brass won't hold but in the .8s

I cant fiure out why?


</div></div>
Have you run the other loads through virgin brass and fired brass with equal sized groups? I initially thought that a little work hardening from the first firing might change the neck tension slightly, but if it only happens with the Varget 45.0 grain load... that makes me wonder too.
</div></div>

Using the Hornady headspace gauges I figured out from a factory round like fgmm or Hornady tap or virgin winchester brass to a once fired piece of brass from my 5R inquestion, the shoulder blows out .009" to .010". So I would say excessive headspace is to blame. I guess it changes to pressure enough to where it knocks it out of the accuracy node that the 45.0 charge weight and virgin brass works do well with.

 

[fireEMT5]

Re: Loads For .308 Winchester

My .308 deer hunting load recently worked up using OCW method -
Shooting out of a Savage 10PC - .308 w/ 20" barrel, 1 in 10 twist.

Hornady 150 gr. SST
46.3 gr Varget
Hornady match brass
CCI large rifle primers
COAL: 2.735
FPS - Average 2750
Group size @ 100 yds - 3/4"
Elevation 1250
Temp. 75 F
Humidity 65%
BP - 28.85
Calm - no wind.

Same day using above but with 45.7 gr. Varget
FPS - Average 2700
Group size @ 100 yds - 5/8"

Also tried 46.0 gr Varget, but group opened up considerably...... Will be running a 5 shot round robin style test of 45.7, 46.0, 46.3 again to rule out shooter error.

46.3 gr Varget showed no signs of pressure, primer problems or sticky bolt lift either. FPS gains were not there. Averaged right around 2750 also. Group went high and spread out.

All shots over a Pro Chrono chronograph at 12 feet.

I also shot some factory Hornady loads from the same rifle - 150 Gr SST's and some 165 Gr SST's on a different day - roughly same enviromental conditions. Both factory loads chrono'd at an average of 2750 FPS.

After more testing I settled on 46.5 Gr. Varget for the 150 Gr. SST's. Average speed over the chrono still stayed around 2750, but group settled down and shrank in size. Will load up a batch at 46.5 and see what happens.

Shot out to 550 yds (6/30). From a 100 yd zero, up 3.75 mils, DING dead center on some steel. On paper was able to shoot a group just under 5.5 inches @ 550 yds.

 

[EricF517]

Re: Loads For .308 Winchester

Rifle: Savage 308 FCP McM completely stock
Barrel: 24" 1/10 twist

Brass: Fed Nato
Primer: 210M
Powder: Varget 44.5g
COAL: 2.80
Bullet: 175smk
Speed: 2716fps over chrono and verified via Shooter out to 1k. SD of 8.43 and ES of 18.97

Producing 1" groups at 200y, and

1.47" at 300y

 

[Bob munden]

Re: Loads For .308 Winchester

I have a couple of really good 308 loads that work up to 600 but have not shot past the chicagoland area isnt to shooter friendly.
Imr 4064
42.7g
cci 200
set 10 thousand off the lands
168g smk
partial neck size only

courtesy of sierra is
168g smk
42g re 15
fgmm 210 primer
i only partial size the neck and set col just off the lands

both loads out of a rem 700 5r milspec rifle and will shoot well under a 1/2 moa even to 600 yards.
I know they are not screamin barrel burners but dont need them to be.
Hope this helps let me know how they work for you.
playing with col helps a bunch with the imr load!

 

[AeroEngi]

Re: Loads For .308 Winchester

Does anyone know what kind of muzzle velocities I can expect using 178gr A-Max, 43.5gr of Varget and CCI 200 primers? I'm using Federal GMM brass neck-sized only, trimmed to 2.005" and I'm seating to 2.82" COL. Will I be able to get out to 1000 yards reliably? My rifle is a stock Remington 700p with 26" barrel and 1:12 twist. Thanks.

 

[GBMaryland]

Re: Loads For .308 Winchester

I'd put that load in the ~2600fps range

 

[AeroEngi]

Re: Loads For .308 Winchester

Cool...thanks for your response.

 

[bubbapug1]

Re: Loads For .308 Winchester

Tikka Tactical 308
82F at 2000 feet, RH 43%

175 SMK 43.1 G Tac - 2,580 fps avg es = 19

168 SMK 43.1 G TAC - 2626 FPS

190 SMK 41.4 G TAC - 2480 FPS

168 SMK 42.3 TAC - 2652 FPS (shot in 308 Garand)

168 smk 44.1 TAC - 2704 FPS

175 smk - 43.4 TAC 2635 FPS

 

[Ol' RD]

Re: Loads For .308 Winchester

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChiefBull</div><div class="ubbcode-body">Hey learnin' by the seat of my arse. Glad I learned it here and at the bench instead of on the range. As a rule of personal practice I generally shoot .308 loads with maximum density of propellant, no crimp, dimension taken from the ogive,and the head set into Ls/Gs slightly. Was interested in this round. My normal is a 190SMK on top of 42.2 grns. IMR4064. Primers are somewaht flat, but still have radius; bolt slicks oin extraction With that design I am at full load in the case, silghtly compressed. Point here is that I am not a stranger to max density charges, and the importance of having all these variables "nailed down" so to speak. But, when I set up this A/Max and dropped that "17" into the case, either I was missing something, the guy on page "7" was incorrect or misstated something to me [unintentionally] or I just plain don't get it.
Other aspects of his platfom are identical to mine, but it ain't RL17 in that case that is unless he's using a pneumatic jack to "tmap down" the propellant, ain't no room at the inn. On reflection here, I have come to the consideratrion that I might be unrealistically pushing the performance envelope of "my" .308 at this point. Maybe, I will revisit this issue at a much later time.
all the best
Anchor'sAweigh/SemperFi
ChiefBull </div></div>

"ChiefBull", there's a moniker right out of the goat locker!

Here's a picture for ya.

5 shots

47.5grs RL-17
Win Brass (neck sized)
CCI BR-2 Primers
208 Amax
2.3 to the ogive.
2500 fps @ 52F and +475ft ASL

 

[vetski]

Re: Loads For .308 Winchester

Surgeon action
22" Bartlein Barrel, 1:11.25 twist

175 gr SMK
Hornady Match brass
Fed 210M primer
44.2 gn Varget
Cartridge OAL 2.85", seated .01 off lands

shoots under an inch at 300 yds

 

[bubbapug1]

Re: Loads For .308 Winchester

Loads tested in Tikka Tactical 24" barrel, some signs of over pressure (flattened primers, some stamping of bolt face on brass - bolt release was easy however) as rated load should only deliver 2650 fps, I was at 43.53 to 43.55 grains thrown in LC cases.

Accuracy was good, shooter not so good, mirage was funky. Distance was at 200 yards at Burro far right side which is only 2 feet over the rocks and grass, hence the mirage.

1/8" clicks nightforce 8x32 benchrest scope -sorry about the data not lining up in columns.

<span style="font-weight: bold"> 175 G SMK 12 MPH CROSSWIND 2700 FPS 43.5 TAC MAX LOAD </span>
*Range* Drop Drop Wind. Wind. *Veloc.* Energy*
(yards) (in) (&#8539;clk) (in) (&#8539;clk) (fps) (ft-lbs)
**100 0 0 0.43 3 2621 2669
**200 -2.06 -8 1.74 7 2541 2508
**253 &#8593; -4.94 -15 2.76 8 2500 2427
**300 -8.73 -22 3.93 10 2462 2355
**400 -20.31 -39 7.07 13 2384 2209
**500 -37.15 -57 11.18 17 2308 2070
**600 -59.63 -76 16.31 21 2234 1938
**700 -88.13 -96 22.53 25 2161 1814
**800 -123.09 -118 29.87 29 2089 1695
**900 -164.99 -140 38.41 33 2018 1583
**1000 -214.34 -164 48.2 37 1949 1476



<span style="font-weight: bold">Bullet Trajectory NO WIND 175 G SMK 43.5 TAC MAX LOAD</span>
*Range* Drop Drop Wind. Wind. *Veloc.* Energy*
(yards) (in) (&#8539;clk) (in) (&#8539;clk) (fps) (ft-lbs)
**100 0 0 0.07 1 2621 2669
**200 -2.81 -11 0.26 1 2541 2508
**235 &#8593; -4.97 -16 0.35 1 2514 2455
**300 -11 -28 0.57 1 2462 2355
**400 -24.93 -48 0.99 2 2384 2209
**500 -44.98 -69 1.54 2 2308 2070
**600 -71.55 -91 2.21 3 2234 1938
**700 -105.09 -115 3.03 3 2161 1814
**800 -146.07 -139 3.99 4 2089 1695
**900 -195.03 -166 5.11 4 2019 1583
**1000 -252.51 -193 6.39 5 1949 1476


<span style="font-weight: bold"> 175 G SMK 8 MPH CROSSWIND 2700 FPS 43.5 G TAC MAX LOAD </span>
*Range* Drop Drop Wind. Wind. *Veloc.* Energy*
(yards) (in) (&#8539;clk) (in) (&#8539;clk) (fps) (ft-lbs)
**100 0 0 0.31 2 2621 2669
**200 -2.31 -9 1.24 5 2541 2508
**247 &#8593; -4.99 -15 1.89 6 2504 2437
**300 -9.49 -24 2.81 7 2462 2355
**400 -21.85 -42 5.04 10 2384 2209
**500 -39.76 -61 7.96 12 2308 2070
**600 -63.6 -81 11.61 15 2234 1938
**700 -93.78 -102 16.03 17 2161 1814
**800 -130.75 -125 21.24 20 2089 1695
**900 -175 -149 27.31 23 2018 1583
**1000 -227.06 -173 34.26 26 1949 1476

800 - 900 - 1000 yard score card using this load. Rifle was a stock Tikka Tactical. NRA standard 1000 yard target slow fire 1000 yard (not F class)

 

[Seekers]

Re: Loads For .308 Winchester

Very nice work up & shooting!

Seekers

 

[Creature]

Re: Loads For .308 Winchester

178gr Amax
44.5grs of varget
Win primer
COAL 2.846
Win x1 Brass

Avg FPS 2608 out of a 20" barrel with a YHM 7.62 suppressor. Most accurate load I've used for this particular rifle. Bug hole groups and good velocity, figured I'd share.