300 PRC update

[Whiskey_Tango6.5]

Is anyone loading 250 A Tips with N570?

This guy is.

300 PRC 250 A-Tip

Anyone loading the 250 A-TIP for the 300PRC? I've been trying but getting inconsistent results. It's likely me but... I'm new to this cartridge and projectile. Seems to be accurate with good velocity. Will shoot a good group then next time open up.

www.snipershide.com

 

[bunny too]

Lapua brass at Midway!

Lapua 300 PRC Brass Box of 100

Lapua World-class brass begins with high-quality raw materials and superior smelting and metallurgical competence. Throughout the production process,...

www.midwayusa.com

 

[phlegethon]

Lapua brass at Midway!

Lapua 300 PRC Brass Box of 100

Lapua World-class brass begins with high-quality raw materials and superior smelting and metallurgical competence. Throughout the production process,...

www.midwayusa.com

I rushed through checkout so fast I forgot to upgrade shipping. Thanks for letting us know!

 

[b2lee]

I rushed through checkout so fast I forgot to upgrade shipping. Thanks for letting us know!

Hopefully you have it in time to fireform and shoot on the 15th. I'll spin my practice barrel on and run through 100 and see what differences there are in case volume/muzzle velocity changes....and just get a general feel for primer pockets...and shoulder bump changes in my current die set up.

 

[phlegethon]

Hopefully you have it in time to fireform and shoot on the 15th. I'll spin my practice barrel on and run through 100 and see what differences there are in case volume/muzzle velocity changes....and just get a general feel for primer pockets...and shoulder bump changes in my current die set up.

Maybe. It will be close. I'll still prep the neck turned Hornady just in case.

 

[b2lee]

Already received shipping notification on this brass....was kinda expecting the BIG C...or cancellation....can't wait to check some out in my hands.

 

[Bradv86]

Already received shipping notification on this brass....was kinda expecting the BIG C...or cancellation....can't wait to check some out in my hands.

Big C is Pete's signature move lol. Still in stock amazingly.

 

[bunny too]

Just got my shipping confirmation. Woo hoo!

 

[Demonian]

For once working nights actually paid off.

 

[2aBaC̶a̶]

Getting in stock notifications in my email from various places. By the time I get there its sold out.

 

[b2lee]

Some of you may find value in my latest post on another thread....in reference to using 375 Ruger Brass converted to 300PRC...and using it as your competition brass:

1000 Yd Benchrest with 375 Ruger Brass

 

[bunny too]

Mine came today

 

[JBarton]

Mine came today

So jealous. I was having a crazy day at work and missed them.
Curious to see how they do.

 

[Bradv86]

Vihtavuori N570 Smokeless Powder 8 Pound - Graf & Sons

Vihtavuori’s N570 rifle powder is one of the more recent products in our high-energy powder family. It was developed at the request of magnum cartridge reloaders. We realized that this kind of powder was desired yet lacking on the market, so we decided to develop N570 to meet our customers’...

www.grafs.com

8lb gone - 6 minutes.

Vihtavuori N570 Smokeless Powder 1 Pound - Graf & Sons

Vihtavuori’s N570 rifle powder is one of the more recent products in our high-energy powder family. It was developed at the request of magnum cartridge reloaders. We realized that this kind of powder was desired yet lacking on the market, so we decided to develop N570 to meet our customers’...

www.grafs.com

1lb gone - 23 minutes.

Hope ya got it if you needed it.

 

[Defender3]

Some Hornady factory rounds in stock.

 

[b2lee]

I see the following was posted on Unknown Munitions website:

DESCRIPTION​

ADG will not run any standard case head cases for 2021, this means no Creedmoors, 308, etc.

ADG’s production schedule UPDATED 27APR2021:

6.5 PRC- CURRENT-5/12/21, expected to arrive 5/17/21

300 PRC- 5/13/21-6/10/21

6.5 and 7 SAUM- starting 6/11/21

28 and 30 Nosler- Next, date TBA

Ultra Mags- Next, date TBA

300 WSM- NOV/DEC 2021 Tentatively

Guess what ADG?.....TOO FUCKING LATE!!!!! You starved us..and now we will feed on Lapua...you had your chance...you were a year late to the party...then you fumbled the ball....and now....now we dine on Lapua.

 

[phlegethon]

I see the following was posted on Unknown Munitions website:

DESCRIPTION​

ADG will not run any standard case head cases for 2021, this means no Creedmoors, 308, etc.

ADG’s production schedule UPDATED 27APR2021:

6.5 PRC- CURRENT-5/12/21, expected to arrive 5/17/21

300 PRC- 5/13/21-6/10/21

6.5 and 7 SAUM- starting 6/11/21

28 and 30 Nosler- Next, date TBA

Ultra Mags- Next, date TBA

300 WSM- NOV/DEC 2021 Tentatively

Guess what ADG?.....TOO FUCKING LATE!!!!! You starved us..and now we will feed on Lapua...you had your chance...you were a year late to the party...then you fumbled the ball....and now....now we dine on Lapua.

I don’t see any Lapua SAUM or WSM brass coming out, suspect ADG will do OK even if we all wish they had more capacity.

 

[phlegethon]

 

[ForgeValley]

View attachment 7617993View attachment 7617994

Nice. It's beginning to trickle out, was able to get 100 from bullet Central just now, already oos.

 

[themightytimmah]

Anyone with Creedmoor Sports back orders on Lapua Brass gotten a ship notification? I backordered in April, have seen inventory pop up elsewhere and I’m hoping I get that notification soon.

 

[davethedog]

Anyone with Creedmoor Sports back orders on Lapua Brass gotten a ship notification? I backordered in April, have seen inventory pop up elsewhere and I’m hoping I get that notification soon.

I have a backorder for both the ADG and Lapua, no joy on either.

 

[Whiskey_Tango6.5]

I have a backorder for both the ADG and Lapua, no joy on either.

Same here. I think I backordered with Eurooptic too.

 

[bunny too]

Anyone with Creedmoor Sports back orders on Lapua Brass gotten a ship notification? I backordered in April, have seen inventory pop up elsewhere and I’m hoping I get that notification soon.

I backordered in December and have not got notice yet, however I have an associate who backordered in October and he has received shipping confirmation.

 

[bunny too]

Excited to be doing my first .300 PRC load testing this morning (if the snow lets up!) Five rounds each; Lapua brass, Hornady 230 gr. A-tip, H1000 from 74 to 77.5 in half grain increments. Anyone want to share a favorite load (1 in 9 barrel)? (@b2lee I am looking at you .)

 

[phlegethon]

Excited to be doing my first .300 PRC load testing this morning (if the snow lets up!) Five rounds each; Lapua brass, Hornady 230 gr. A-tip, H1000 from 74 to 77.5 in half grain increments. Anyone want to share a favorite load (1 in 9 barrel)? (@b2lee I am looking at you .)

You better pull that trigger with a long string if you try one of @b2lee’s loads, LOL.

 

[b2lee]

I don't have any load data handy for H1000....mainly because I have a 29.5" barrel and the one before was 28"....so needed a slower burning powder to take advantage of the longer barrel.

But...If you are using an ATV3 to drop your powder....I would load ONE load of each...go shoot them into the bank....find a speed you like that doesn't show pressure...and just use it.

Like...I have a RL-26 load where I simply pick 75.0gr..because it is easy to remember...gives me a speed I want...and a pressure I want....and as long ast the ATV3 drops to the same kernel...or half kernel off...I'm golden and don't need to develop a 'velocity node'....I can simply skip straight to the seating depth nodes.

 

[Bandit320]

b2lee, is that RL26 out of your 29.5” barrel? What bullet and speed are you getting out of it. Thanks.

 

[bunny too]

I don't have any load data handy for H1000....mainly because I have a 29.5" barrel and the one before was 28"....so needed a slower burning powder to take advantage of the longer barrel.

But...If you are using an ATV3 to drop your powder....I would load ONE load of each...go shoot them into the bank....find a speed you like that doesn't show pressure...and just use it.

Like...I have a RL-26 load where I simply pick 75.0gr..because it is easy to remember...gives me a speed I want...and a pressure I want....and as long ast the ATV3 drops to the same kernel...or half kernel off...I'm golden and don't need to develop a 'velocity node'....I can simply skip straight to the seating depth nodes.

I am running a 28" , I will start looking for RL-26 (my charts show RL-26 as a faster burning powder than H1000.) As always thank you for your advice. Right now I have H1000, Retumbo, VV565, Ramshot Magnum, Ramshot LRT and RL-33 for my magnum powders.

 

[b2lee]

b2lee, is that RL26 out of your 29.5” barrel? What bullet and speed are you getting out of it. Thanks.

Well....my reloading has a lot of caveats. You most likely can't replicate my load....running a pristinely smooth Bartlein barrel with a custom freebore....so pressures are going to be different...especially since I coat my bullets...so my speeds are less now than what they were....since my pressures are down.

But...245gr Berger EOL doing about 2880fps on a 75F day at 900feet Above Sea Level on a Wednesday Afternoon shooting North/North-East in April at a Latitude of above 40* North.....heh

 

[Bandit320]

Well, damn. I always shoot South/ Southwest. Thanks!

 

[ForgeValley]

Well, damn. I always shoot South/ Southwest. Thanks!

Damn Coriolis effect always gets me when I turn around and shoot the wrong way on my range.

 

[b2lee]

Damn Coriolis effect always gets me when I turn around and shoot the wrong way on my range.

The funny thing is...when you joke about it...then a few years go by and bullets/powders/equipment progresses to the point....of where now you have to start calculating that in.

 

[LongRangeAggie]

I am running a 28" , I will start looking for RL-26 (my charts show RL-26 as a faster burning powder than H1000.) As always thank you for your advice. Right now I have H1000, Retumbo, VV565, Ramshot Magnum, Ramshot LRT and RL-33 for my magnum powders.

Just run the VV565 with the 215 or 230

 

[ForgeValley]

The funny thing is...when you joke about it...then a few years go by and bullets/powders/equipment progresses to the point....of where now you have to start calculating that in.

Oh no, I totally get it is a thing. I just haven't done any of what I would call ELR shooting, max 1200 right now. Just joined a range with a one mile target and have a rifle chambered in 300 Norma, so it will be fun to play around with it.

ETA - Oh crap, this is the 300 PRC thread... have a barrel in that as well.

 

[DellaDog]

I am running a 28" , I will start looking for RL-26 (my charts show RL-26 as a faster burning powder than H1000.)

I found RL-26 does what H1000 does with 1 grain less powder.
Berger 230 Hybrid
28" Bartlein
ADG Brass
76.0 RL-26
2900 FPS

 

[bunny too]

I found RL-26 does what H1000 does with 1 grain less powder.
Berger 230 Hybrid
28" Bartlein
ADG Brass
76.0 RL-26
2900 FPS

Thank you DellaDog!

 

[b2lee]

Thank you DellaDog!

And you are post #4200 in this thread....WOW...we sure do talk a lot. But what's not to like about the 300PRC?

 

[JBarton]

FYI

SOLD - 300 PRC brass F.S.

I've got a crap load of Hornady 300 PRC brass for sale. 155 pieces 2x fired, 107 pieces 1x fired. All of them have had the necks cleaned up, meaning turned. All the flash holes de burred along with primer pockets uniformed. All have been full length sized with the shoulder bumped. 002" All have...

www.snipershide.com

 

[b2lee]

My brass arrived...got lucky...my box had 100pcs in it. Another box hasn't been opened yet.

Brass measured from base to shoulder using the SAC Comparator measures exactly the same as my Manson Go-Gauge. Overall length is 2.5715 with maybe a half thou deviation.

Necks are very very tight. Mandreled them with a carbide mandrel and they were still tough. I may re-anneal and mandrel them again after I chamfer and deburr them. I'll probably shoot 50 tomorrow to work them in...for an ELR match next weekend. I want the neck tension to be as consistent as possible for that match.

 

[phlegethon]

My box had 102 pcs. I measured the once fired case capacity at 95.85 grains water, essentially the same as Hornady (96.14, but I don't think these measurements can be that precise). The length at the shoulder for me was identical between virgin and once fired.

I did end up turning all the necks to 0.013" since a bullet would not drop through the fired neck.

 

[TripleBull]

Just run the VV565 with the 215 or 230

Agreed. Post 14 in the link below shows some of my results:

300 PRC

I decided to mine the 300 PRC thread in the ELR subforum for handload data ahead of starting to work up a load for my rifle, working backwards from recent posts. I think I fully mined that thread as of today (11/27/19) but if I missed any please plug them in or post your own load data. I know...

www.snipershide.com

 

[Demonian]

Well my brass showed up.



Thanks UPS.

 

[bunny too]

Fast barrel?
I was trying out my some loads yesterday and my load #4;
75.5gr H1000 under a 230 gr A-Tip was throwing 2885 fps, average (of five shots) was 2884 with s SD of 2.2 (Labradar) with no pressure signs.
Hornady manual states it should be around 2760. I am using an ATv3 to measure powder. 42 degrees @ 7220'. Any ideas to the discrepancy or is this within the realm of tolerances? Barrel is a 28" Bartlien 400MOD 1 in 9, accuracy was a half inch group at 100 yards. I am very happy with the load just a little puzzled, I was not supposed to hit that velocity until two more grains (and then only 2825 fps.)

 

[DellaDog]

75.5gr H1000 under a 230 gr A-Tip was throwing 2885

77 gr. H1000 gets me 2900 in a 28” Bartlein and each .5 gr. was worth about 20 fps.
So, I’d say you’re fortunate. (Or the A-Tips are slicker than the Hybrids)

 

[bunny too]

77 gr. H1000 gets me 2900 in a 28” Bartlein and each .5 gr. was worth about 20 fps.
So, I’d say you’re fortunate. (Or the A-Tips are slicker than the Hybrids)

Thank you DellaDog, (maybe it is those magic machined tips that cost a quarter a piece!)

 

[Defender3]

My brass finally arrived from Midway. The case had been opened and taped shut, but I did have 101 cases.

ETA - It was shipped in a large cardboard box with plenty of paper padding.

 

[b2lee]

Went out with my buddy and shot the new Lapua brass today. I wanted to get a firing on 50 pieces before shoothing them in an ELR match next weekend. First off....I got 100 pieces in my box....the box wasn't broken. MidwayUSA should be kicked in the nuts for throwing that Lapua box in the cheapest bubble bag they could find for shipping though.

Brass came in....with about 3 case mouths that needed opened with a mandrel. I did NOT resize the brass because when I measured against what I wanted....they came from the factory within a half thou of where I wanted to be. The necks were EXTREMELY tight. I mandreled with a carbide mandrel and they were tough to deal with. When I seated the bullets....they were 120in/lbs to shove the bullet in....when normally I strive for 20in/lbs. Basically...I thought I was going to break my arbor press pushing them in. I was worried about concentricity...but the Sinclair/LE Wilson arbor die supports the cartridge as well as the bullet and they came out almost perfect.

Today...I hooked up my MagnetoSpeed and shot a few fowlers on a freshly cleaned barrel and then shot a 20 shot string. Speeds were way more consistent than I would have thought...due to the neck tension issues.

Max: 2891
Min: 2874
ES: 17
SD: 6.9

I'll take that all day long...eventhough I can halve that SD and trim just a bit off that ES if I go through my normal process after this first firing. Groups were boring...nothing in the 2's.....mainly in the 3's with some 5's....the 5's were me moving the turrets around trying to get that perfect zero though. I had to re-zero down 0.4mils....but that's also due to the fact I'm pointing bullets and have a different harmonic. I re-adjusted my barrel tuner +2 and shot in the 3's. I get really bored at 100yds.....but I don't have a place within a few hours to test this stuff at 1000+.

I'll go back after I reload these 50 and maybe put 10 on paper again to verify. I think I need 30 rounds for the ELR match and I'll take 40.

Here is the AMP AZTEC Code I got from burning a piece of brass. I would be interested in what code you guys get:

 

[dwent]

Ordered my Lapua from creedmor back last year and was told I’m next in line. Regretting my decision at this point.

 

[high right]

Ck with McGee custom stocks. They sell by the 1/2 case

 

[dwent]

Brownells has factory 225 in stock as of this second for $49/20