300 PRC update

[C3P003]

New lot is in fact 3.662. So roughly 23 thou shorter. I'll be making sure to keep them separate when shooting to see if I see any difference.

I'll pull another bullet and weight the powder also and see if it's any different.

Thanks for confirming!
Just curious, did you have a chance to get any data on the charge weight, bullet O.A.L. ect...?

 

[HillBilly n TX]

https://www.milehighshooting.com/hornady-82162-300-prc-225gr-eld-match/

 

[Mac679]

300PRC is now a searchable option on ammoseek.com

Should help with finding ammo

 

[rfurman24]

Anyone had a chance to shoot factory ammo in a SAAMI chamber yet? How is accuracy?

 

[captainemil]

Brass may be a problem for awhile

 

[Forrest]

https://www.midsouthshooterssupply.com/item/0000382162/300-prc-225-grain-eld-match-20-rounds?Tk=DFAM

ammo

 

[C3P003]

New lot of 225 ELD-M has 74.8 grains of what looks like H1000.
Bullet O.A.L. is 1.68".

 

[MOUNTIC]

New lot of 225 ELD-M has 74.8 grains of what looks like H1000.
Bullet O.A.L. is 1.68".

If that powder weight is accurate then it's .4 gr less then the initial batch from Midway. I haven't had a chance to pull a bullet and measure powder. The 225 eld pill itself isn't going to change.

 

[dfp dfp]

Lot 0359...3.667
Lot 0278...3.679

 

[Jeffd]

Had Travis at TS Customs build one for me and Josh at Copper Creek supplied the 225 ELDM ammo. It's a one holer at 100 yards and great to shoot!

 

[nick338]

If that powder weight is accurate then it's .4 gr less then the initial batch from Midway. I haven't had a chance to pull a bullet and measure powder. The 225 eld pill itself isn't going to change.

Probably because they shortened the coal

 

[MOUNTIC]

Probably because they shortened the coal

Yep. Losing case capacity.

 

[MOUNTIC]

I'll shoot and Chrono them both tomorrow and see what I see for Velocity difference.

 

[C3P003]

New lot of 225 ELD-M has 74.8 grains of what looks like H1000.
Bullet O.A.L. is 1.68".

*Correction* The new lot of 225 ELD-M does not use H1000.
H1000 on left.

 

[jd5521]

*Correction* The new lot of 225 ELD-M does not use H1000.
H1000 on left.
View attachment 7028060

 

[MOUNTIC]

Lot 0359...3.667
Lot 0278...3.679

Lot ......0338 is 3.662 coal 75.0 gr powder
lot .......2739 is 3.685 coal 75.2 gr powder

guess its just like ever other ammo out there... ya just never know what your going to get. All the more reason to reload.

 

[C3P003]

View attachment 7028063View attachment 7028064

Powder resembles Alliant RL 26 or 25. I’d guess 26 based on Hornady’s load data.

 

[B-P-UU]

Had Travis at TS Customs build one for me and Josh at Copper Creek supplied the 225 ELDM ammo. It's a one holer at 100 yards and great to shoot!

What are your build specs? Thinking of having him put one together for me as well... I can't decide if I want to build a pig for prone only, or a tweener light enough I could hunt with as well.

 

[MOUNTIC]

What are your build specs? Thinking of having him put one together for me as well... I can't decide if I want to build a pig for prone only, or a tweener light enough I could hunt with as well.

How bout both!? Might as well as that's were I ended up.

 

[azbiker]

Guys, dumb question. I currently have an AXMC chambered in 300 win mag. I've just got wind of the 300 PRC and if I understand correctly from my reading that all I would need to do to shoot 300 PRC would be to get a barrel chambered in 300 PRC? In other words, the bolt in my 300 win mag AXMC will work with the 300 PRC?

 

[Supersubes]

Guys, dumb question. I currently have an AXMC chambered in 300 win mag. I've just got wind of the 300 PRC and if I understand correctly from my reading that all I would need to do to shoot 300 PRC would be to get a barrel chambered in 300 PRC? In other words, the bolt in my 300 win mag AXMC will work with the 300 PRC?

Yes, that’s correct.

 

[MOUNTIC]

Guys, dumb question. I currently have an AXMC chambered in 300 win mag. I've just got wind of the 300 PRC and if I understand correctly from my reading that all I would need to do to shoot 300 PRC would be to get a barrel chambered in 300 PRC? In other words, the bolt in my 300 win mag AXMC will work with the 300 PRC?

Correct. Same mags. Same bolt. Throw in a 300prc barrel and rock and roll. Contact @DAVETOOLEY as he can get you one in 300prc spun up for the AXMC.

 

[Jeffd]

What are your build specs? Thinking of having him put one together for me as well... I can't decide if I want to build a pig for prone only, or a tweener light enough I could hunt with as well.

Have to get them from my files at home.

 

[Jeffd]

What are your build specs? Thinking of having him put one together for me as well... I can't decide if I want to build a pig for prone only, or a tweener light enough I could hunt with as well.

Found them: Lone Peak Fusion XL action, Benchmark 28" MTU 9.5 twist barrel, Huber 2 stage trigger, Spuhr mount and Kahles K525 scope.

 

[azbiker]

Thank you both! I appreciate the info!

 

[dfp dfp]

Is any body using the hornady match micro adjustment dies for 300prc.?
My question is..do they not have a spring in them like Redding dies? And how is the quality they are producing...runout etc.?
This is my first set of them because only thing on the fast market...haven't ran anything thru them..but they dont quite have that match grade feeling

 

[C3P003]

View attachment 7028063View attachment 7028064

Online Smokeless Powders Database [internet]. National Center for Forensic Science, University of Central Florida. [cited 2019/02/19], Available from: http://www.ilrc.ucf.edu/powders/.

 

[Supersubes]

Is any body using the hornady match micro adjustment dies for 300prc.?
My question is..do they not have a spring in them like Redding dies? And how is the quality they are producing...runout etc.?
This is my first set of them because only thing on the fast market...haven't ran anything thru them..but they dont quite have that match grade feeling

Maybe I’m biased, but I own both in several cartridges, and the Hornady is night and day better.


Edit: the clarity of the markings on the Hornady seater are very hard to read compared to the Redding, whichnis literally my only gripe.

 

[Dooby]

Just got a reply from ADG and they are looking in to 300 PRC brass, but nothing definitive. Reviews are good so far for their 6.5 PRC and SAUM brass.

Just picked up some more 6.5 PRC and 6.5 Creedmoor (Hoping this will be the same or better than the Norma-"shooter's pack")

I'm hoping enough members here can ask them and maybe they'll consider it.

 

[MOUNTIC]

Just got a reply from ADG and they are looking in to 300 PRC brass, but nothing definitive. Reviews are good so far for their 6.5 PRC and SAUM brass.

Just picked up some more 6.5 PRC and 6.5 Creedmoor (Hoping this will be the same or better than the Norma-"shooter's pack")

I'm hoping enough members here can ask them and maybe they'll consider it.

I talked to them a few months ago about it. I have been using their 300 win mag brass for a long while now. Best bang for the buck I've found. Some of it has 13 firings on it and still has good tight primer pockets, even with a stout load. If they come out with 300prc I will be an early adopter.

I prefer ADG over Norma all day long. Peterson and Lapua are the only others that are more consistent but the ADG is no slouch at half the price.

 

[jd5521]

Lot ......0338 is 3.662 coal 75.0 gr powder
lot .......2739 is 3.685 coal 75.2 gr powder

guess its just like ever other ammo out there... ya just never know what your going to get. All the more reason to reload.

Lot #82162 - 3.689 coal 75.4 gr powder

 

[nick338]

Lot #82162 - 3.689 coal 75.4 gr powder

82162 is the item # not the lot #

 

[jd5521]

82162 is the item # not the lot #

Lot #3190278 - 3.689 coal 75.4 gr powder

 

[MOUNTIC]

I'm sure there are inconsistencies in ever ammo lot for every caliber. I've seen 6.5 cm eld match .3 gr off in the same box. So I don't want to get too caught up in the lots and what's what. This is why you always buy a large amount when you can in the same lot. That's been a given forever if you want consistency.

I'll be interested too see what folks get for velocity in different barrel lengths with this ammo. I am close to 2900 with a 26 inch tube and the factory 225s.

 

[Supersubes]

I'm sure there are inconsistencies in ever ammo lot for every caliber. I've seen 6.5 cm eld match .3 gr off in the same box. So I don't want to get too caught up in the lots and what's what. This is why you always buy a large amount when you can in the same lot. That's been a given forever if you want consistency.

I'll be interested too see what folks get for velocity in different barrel lengths with this ammo. I am close to 2900 with a 26 inch tube and the factory 225s.

Wow, that’s fast. Good stuff. Patiently waiting for my reamer and DTA blank.

 

[MOUNTIC]

Wow, that’s fast. Good stuff. Patiently waiting for my reamer and DTA blank.

Was with a suppressor and I'm at 6k feet here. Magnetospeed v3. 2890fps was last 3 average. Out of a proof CF barrel DT chambered for me. Getting into the 300nm territory there. I'm happy.

 

[doctordoctor]

Wow, that’s fast. Good stuff. Patiently waiting for my reamer and DTA blank.

I'm waiting for DMR to get their reamer then I will have a new barrel for my DT.

 

[Earnhardt]

What is the H2O case capacity of the 300 PRC?
Thanks

 

[rfurman24]

What is the H2O case capacity of the 300 PRC?
Thanks

New brass is ~96 grains. Fired will be 97-98. For reference 30 Nosler Nosler brass is ~97 new and ~99 fired. Nosler 300 win is ~93 new and ~95 fired. ADG 30 Nosler is very roomy at ~100 new. All weights are H20.

 

[GwOtTrApLoRd]

So much good information in this thread. Cant wait to get back and get this rifle spun up! Thanks to everyone contributing their knowledge.

 

[GwOtTrApLoRd]

Has anyone ran the Hornady Precision Hunter 212eld-x through a chrono? If so, what was your avg mv, and what barrel length/ twist rate are you running? TIA

 

[Rocketmandb]

After one of those royally crappy work days yesterday, all was made better when Marc at Spartan Precision emailed me to tell me my rifle was ready to go. I picked it up, did a measurement for seating depth, and loaded up my first ever 50 rounds of 300 PRC (attached). I'm heading to the range tomorrow to break in the barrel and take a few pics. I'll post rifle stats and results tomorrow afternoon.

 

[WeatherbyFan]

Brass, Dies and and 187 boxes of 225gr ELD-M ammo available here search GunBroker.com

 

[rfurman24]

After one of those royally crappy work days yesterday, all was made better when Marc at Spartan Precision emailed me to tell me my rifle was ready to go. I picked it up, did a measurement for seating depth, and loaded up my first ever 50 rounds of 300 PRC (attached). I'm heading to the range tomorrow to break in the barrel and take a few pics. I'll post rifle stats and results tomorrow afternoon.

Looking forward to the results.

 

[Earnhardt]

Since the 300 PRC is not on Quickloads yet, which cartridge are you guys using in it's place for load calc's?
Will there been any updates on QL to include the 300 PRC?
Thanks

 

[Supersubes]

Since the 300 PRC is not on Quickloads yet, which cartridge are you guys using in it's place for load calc's?
Will there been any updates on QL to include the 300 PRC?
Thanks

You could just use hornady’s published data. It’s a page or two back.

 

[pyplynr]

I have it on my quickload. I also just recently got an updated cd.

 

[DAVETOOLEY]

Since the 300 PRC is not on Quickloads yet, which cartridge are you guys using in it's place for load calc's?
Will there been any updates on QL to include the 300 PRC?
Thanks

I've never used Quickload but if you can plug in 95 grs. of H2O capacity.

 

[Rocketmandb]

Just got back from my first day at the range with my newly rechambered 300 PRC. With 78.5 gr of H1000, 28" barrel, 225 gr ELD-X, I averaged 2935 ft/sec. Groups were sub-MOA, but not great - though with no load development, and minimal brass prep on first-fire Hornady brass, I'm not unhappy with the results.

Round by round:
2927
2932
2978 (ouch)
2934
2918
2926
2929
2920
2931
2926
2934
2935
2936
2940
2935
2932
2917
2928
2928
2934
2975 (there we go again)
2923
2932
2927
2935
2943
2936
2930
2936
2934
2938
2931
2933
2933
2935
2933
2946

 

[C3P003]

Just got back from my first day at the range with my newly rechambered 300 PRC. With 78.5 gr of H1000, 28" barrel, 225 gr ELD-X, I averaged 2935 ft/sec. Groups were sub-MOA, but not great - though with no load development, and minimal brass prep on first-fire Hornady brass, I'm not unhappy with the results.

Round by round:
2927
2932
2978 (ouch)
2934
2918
2926
2929
2920
2931
2926
2934
2935
2936
2940
2935
2932
2917
2928
2928
2934
2975 (there we go again)
2923
2932
2927
2935
2943
2936
2930
2936
2934
2938
2931
2933
2933
2935
2933
2946

Thank you for the awesome data!
Any signs of excessive pressure?