HI EVERYONE,
I JUST STARTED WORKING UP SOME LOAD DEVELOPMENT IN MY NEWLY RE-BARRELED 6.5CM...I AM AT JUST UNDER 200 ROUNDS OF FACTORY AMMO THROUGH IT. I'M USING 147 GR ELD-M BULLETS WITH PETERSON VIRGIN BRASS WITH FGMM LARGE RIFLE PRIMERS. TWO DIFFERENT POWDERS H 4350 AND SUPERFORMANCE....I SAW STICKY/HEAVY BOLT AT 43.9G OF SUPERFORMANCE WITH VELOCITY AVG 2775FPS AND ON HODGDON'S WEBSITE IT SAYS MAX LOAD OF 45.2...AND SAW THE SAME USING H4350 40.9G WITH VELOCITY AVG 2740 WTH HODGDON SAYING 41.8 MAX LOAD....BOTH WITH SD OF 7.6...I AM RUNNING A THUNDERBEAST ULTRA 9-6.5 CB SUPPRESSOR...COULD IT BE NECK TENSION ON THE VIRGIN BRASS OR SOMETHING ELSE ENTIRELY???
I JUST STARTED WORKING UP SOME LOAD DEVELOPMENT IN MY NEWLY RE-BARRELED 6.5CM...I AM AT JUST UNDER 200 ROUNDS OF FACTORY AMMO THROUGH IT. I'M USING 147 GR ELD-M BULLETS WITH PETERSON VIRGIN BRASS WITH FGMM LARGE RIFLE PRIMERS. TWO DIFFERENT POWDERS H 4350 AND SUPERFORMANCE....I SAW STICKY/HEAVY BOLT AT 43.9G OF SUPERFORMANCE WITH VELOCITY AVG 2775FPS AND ON HODGDON'S WEBSITE IT SAYS MAX LOAD OF 45.2...AND SAW THE SAME USING H4350 40.9G WITH VELOCITY AVG 2740 WTH HODGDON SAYING 41.8 MAX LOAD....BOTH WITH SD OF 7.6...I AM RUNNING A THUNDERBEAST ULTRA 9-6.5 CB SUPPRESSOR...COULD IT BE NECK TENSION ON THE VIRGIN BRASS OR SOMETHING ELSE ENTIRELY???