Berger 257 cal 135 gr LRHT

[Christian Wiseman]

What speeds did you get with those 75's ?

Stupid fast lol case full of 4831 gave me 3875

 

[jasonco]

7 full months later, I finally get around to loading them up sending them down range, in my 25Creedmoor...THEY SHOOT WELL! Seated them to 2.170 cbto, -.030 off, just a starting number, to see what it'd do. Did a StaBall6.5 & H4350 test. Didn't finish the last StaBall6.5 string, because of pierced primers. Used the Fed GM205M, becasue used all my ARMatch primers. That cup isn't as strong unfortunately.

 

[willfrye027]

7 full months later, I finally get around to loading them up sending them down range, in my 25Creedmoor...THEY SHOOT WELL! Seated them to 2.170 cbto, -.030 off, just a starting number, to see what it'd do. Did a StaBall6.5 & H4350 test. Didn't finish the last StaBall6.5 string, because of pierced primers. Used the Fed GM205M, becasue used all my ARMatch primers. That cup isn't as strong unfortunately.

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I've got almost identical data in my 25creed with h4350, finished at 2840fps with good accuracy and excellent ES. Using lapua small primer brass and CCI #41. Also around 0.030" off.

 

[jasonco]

I've got almost identical data in my 25creed with h4350, finished at 2840fps with good accuracy and excellent ES. Using lapua small primer brass and CCI #41. Also around 0.030" off.

AR primers, are the key, with 25 Creedmoor! I'v been using my FED GM205M's (Ran out of Fed AR Match), about a 1/4 of the primers are pierced, on normal charge weights, in my rifle.
Gonna go back to the BR4, they work.