So tell me abou the .300PRC?

[Earnhardt]

Rpierce, so with the current 5 round mags you're using, is the mag almost maxed out in length?
What is the current coal of your 300 Norma rounds? Are the rounds almost maxing out the mag length currently?
You might be talking me out of a 300RUM build, which is basically a single shot, with a coal of 4.00 to 4.1"...

 

[rpierce]

theres some room in a standard long action magazine. its around 3.6 with a 215. the rum is a waste of time in my opinion now that lapua is making brass for the norma. this lapua brass will easily last 20+ firings in my setup.

 

[venatic]

What do you want to know about the 300 PRC. I've been shooting it since 2007. I introduced Accuracy International to the round. They submitted it to USSOCOM for their solicitation for PSRI. Between myself and the Hornady 1K BR competitors we all have a decade+ experience with the round.

Since you asked.... what powder has proved out. Have my dies and brass picking up my gun hopefully today. Have a few 208’s and 215’s on hand to start with. Mine is a 1/10 twist.

 

[DaveTooley]

For my 1K BR rifle I use RL25 w/225's. That shoots 5" 10 shot groups at 1K
For my hunting rifle I back the velocity down to 2825 FPS w/212's using 4831.
Anything from 4831 to N570 will work. Some are better than others depending on application.
Hornady uses H1000 w/225's for one customer.
I tend to stay on the faster side for a given caliber. I think it's easier to tune the vertical out.

 

[FrankG]

What Dave said!

I'm running 225's and 230's at 2900fps. out of a 1-9 twist. The gun will hold 1/4moa for vertical at a 1k and it's not working hard!

 

[moondog]

I've got one in the works some guy named "Dave" is going to build for me.
got a barrel from some guy named "Frank"
Just waiting on the stock. Oh yeah, brass too.

 

[RustyPin]

Heres my thoughts, not sure how much its worth. If a guy is building a new gun from the ground up and wanting a big .30 cal magnum then the 300 norma or 300 norma improved is hard to beat.... It does all this while still fitting in a standard long action magazine while throated for heavy bullets.
Now if a guy has a 300 win mag or whatever and the barrel is shot out then a 300 PRC would make sense since its simply rebarreling to a different cartridge. No bolt swap required.

What is this "Standard" Magazine you refer to? With the Base width of the 338 Lapua that 300 Norma Brass can't fit in any Standard Category can it? These Giant Cases are New Territory to us beginners. I've Seen the Holy Grail U-Tube where a builder was having all kinds of Magazine Issues on a 7-300 Norma Mag Build. Can you throw me a Bone on this one? / Can someone give us Load Comparisons between the 300 PRC VS the 300 Norma Magnum using Identical Bullets? I'm starting to think it Boils down to Cost to shoot each one. Oh and Barrel Wear.

 

[Kurz]

With the Base width of the 338 Lapua that 300 Norma Brass can't fit in any Standard Category can it?

This type of question can open a huge can of worms about which whole books can be written, seriously. There is a ton of information on the internet regarding magazine styles and feeding systems. But basically, there are two types of magazines; those that feed from a staggered stack and those that feed from a center single stack. The length of these magazines will vary depending on the length of the action being used (SA/LA) to mate the system and the diameter of the cartridge.

We usually find that the maximum length for a LA magazine is limited to 3.850" to which we seat the bullets just a tad shorter in order allow the entire cartridge to feed from the magazine without being wedged in. Single stack magazines are manufactured to hold various diameters up to and including those for the Lapua/Norma Mag diameter.

This is about as short as I could manage without writing volumes for a real good definitive explanation.

 

[DaveTooley]

What is this "Standard" Magazine you refer to? With the Base width of the 338 Lapua that 300 Norma Brass can't fit in any Standard Category can it? These Giant Cases are New Territory to us beginners. I've Seen the Holy Grail U-Tube where a builder was having all kinds of Magazine Issues on a 7-300 Norma Mag Build. Can you throw me a Bone on this one? / Can someone give us Load Comparisons between the 300 PRC VS the 300 Norma Magnum using Identical Bullets? I'm starting to think it Boils down to Cost to shoot each one. Oh and Barrel Wear.

As a rifle smith now for 35 years I've tried to make a lot of things work There were times when I should have told my customer either that won't work or you're going to have on going problems and bowed out. I have built a lot of rifles chambered in 338 Lapua or some variant. What they all had in common was a single stack magazine. That could be detachable or a single stack mag like Weatherby use for their 378 based rounds. The geometry of the larger diameter cases prohibits using a conventional double stack magazine. The RUM, WSM's and SAUM work but just barely. They require different feed rails and usually a wider than normal mag box for use in a double stack magazine. Again because of geometry. The 300 PRC at .532" in diameter while only slightly smaller than the RUM's alleviates all the feeding issues of the larger cases. Again geometry.
The Lapua requires a larger more costly action to handle the bolt thrust when fired. The PRC works in any standard magnum action with enough mag length.
Performance out of a 26" barrel. Hornady 300 PRC w/225's @ 2875-2900 FPS
300 Norma w/225's @3000-3025 FPS

 

[wboggs]

As a rifle smith now for 35 years I've tried to make a lot of things work There were times when I should have told my customer either that won't work or you're going to have on going problems and bowed out. I have built a lot of rifles chambered in 338 Lapua or some variant. What they all had in common was a single stack magazine. That could be detachable or a single stack mag like Weatherby use for their 378 based rounds. The geometry of the larger diameter cases prohibits using a conventional double stack magazine. The RUM, WSM's and SAUM work but just barely. They require different feed rails and usually a wider than normal mag box for use in a double stack magazine. Again because of geometry. The 300 PRC at .532" in diameter while only slightly smaller than the RUM's alleviates all the feeding issues of the larger cases. Again geometry.
The Lapua requires a larger more costly action to handle the bolt thrust when fired. The PRC works in any standard magnum action with enough mag length.
Performance out of a 26" barrel. Hornady 300 PRC w/225's @ 2875-2900 FPS
300 Norma w/225's @3000-3025 FPS

Thanks for the honest evaluation
Bill

 

[RustyPin]

Yea, that's what I mean, the guy had a Single Stack and was having issues with the Lips on the Mag because the 300 Norma is so Wide. Then he went into something about having to modify the Action so a Certain Huge Magazine would fit. See, most folks don't want to have to bother with such a larger Action. There's a whole lot more to it than folks want to admit. I see Midway now lists the 300 PRC Brass, just not in Stock at the moment. If you are Really serious about swinging Meat over 2 Miles, the Hard Hitters are running a Cheytac, not playing with the 30, IMO.

 

[DaveTooley]

God bless em. They spend money. Make headlines etc. Those people are less than 1/10 of 1% of the shooting community. Then there's the rest of us having fun.

 

[maddysdad]

i assume this case will work in a untouched 700 remington already shooting a 300 winchester case.given a 26 inch # 3 or 4 barrel will it stay with a 300 weatherby ?i am looking at deer loads of say 180 to200 grain out to about my max of 750 yards at this time.
how long to get a barrel and put it on my action?
gary b

 

[DaveTooley]

i assume this case will work in a untouched 700 remington already shooting a 300 winchester case.given a 26 inch # 3 or 4 barrel will it stay with a 300 weatherby ?i am looking at deer loads of say 180 to200 grain out to about my max of 750 yards at this time.
how long to get a barrel and put it on my action?
gary b

PM sent

Yes it works in an unmodified 700. It will stay with the 300 Wby.

 

[maddysdad]

i hear remington is coming out with this case and a rifle.this true?
any one else building a factory rifle for this case.
gary b

 

[wboggs]

I have heard rumors that the military has ordered some sniper rifles in this cal
Does anyone know about this?

 

[whatwind?]

Hornady has put out

https://press.hornady.com/release/2...prc-ammunition-to-u.s.-department-of-defense/

 

[Alex Wheeler]

Looks like another great option for a long range elk round. I hope the dod contract gets Lapua or ADG interested enough to make brass. I like a non rebated, non belted option for a big .30!

 

[DaveTooley]

Looks like another great option for a long range elk round. I hope the dod contract gets Lapua or ADG interested enough to make brass. I like a non rebated, non belted option for a big .30!

In the whole scheme of things it won't be that many rounds. But you never know.

 

[jamesh]

I've been shooting the 300 PRC off and on since 2009 I believe. I run 208 Amaxes and RE22 in my hunting rifle at around 3060 and 225 BTHPs with H1000 in my 1000yd Heavy gun at 2950.