300 PRC load data

[Mahziar]

That's odd indeed. My set up is basically the same. 76 grains of H1000 gets me 2980 with 215s and 2950ish with 220s. I didn't run into pressure till 79 grains. Maybe it'll take a few more rounds to speed up.

How long is your barrel? Cause 3000 with 76 grains is a lot! Maybe your powder RH?

 

[moondog]

Mine is 29" my buddies is 28"
We're both using H1000 mine is a Krieger his is a K&P. I'm running 215s, he's running 220s. I'm at 3000, he's around 2975 I believe. Just confirmed out to 1650 this morning.

 

[105gr]

The next combo I tried was H1000 and 230 Berger hybrids .020 off.
77-2907
77-2901
77.4-2923
77.8-2946
78.6-2950
79-2958
79.4-2971
79.8-3002
80.2-3000
80.6-3036
This ladder looked great, 2 obvious nodes, 2901-2923 held .658" of vertical at 600yds, 2971-3002 held .714".

I'm late to the party. Again. Can you please explain why you picked 2901-2923 (instead of 2907-2901) and 2971-3002 (instead of 3002-3000)?

 

[FURMAN]

I'm late to the party. Again. Can you please explain why you picked 2901-2923 (instead of 2907-2901) and 2971-3002 (instead of 3002-3000)?

Due to the small vertical.

 

[284winner]

Alex, do you by chance have any N570 to try with those 230's? What is you OAL at 20 off with the 230's?

I'm getting the best velocity and accuracy from my 30 SM with 570. Not a 300 PRC but basically an improved PRC. Tried H1000, Retumbo and a few others and all did well accuracy wise but the 570 was the overall winner in all areas.

 

[Yote Hunter]

I just put together one with a 30" Hart barrel for a guy. I tried N570 because I had some that my 300 Norma Improved likes. Best I could get was 5/8 - 3/4 groups shooting 245 Berger's in an 8 twist. Looked the gun over a bunch and even put a different scope on it and same results. Switched to H1000 and she started stacking them almost on top of each other. 81gr of H1000 @.020 off the lands is getting me 2970 fps.

Are you referring to a 300 Norma Improved at 2970 fps with the 245 gr Berger or a 300 PRc?

 

[Tucker65]

300 PRC, those were definitely a spicy load and was pretty hard on the brass. I believe he has since backed off to a lower node now.