I pulled some 7.62x51 147gr fmj projectiles this morning and swapped them with 125gr seirra sp
After neck sizing. Just fired 6 and surprisingly all 6 are within 1" . Good way to use some ammo up thats no good for my purposes.
Definitely wouldn't go heavier than the original projectile though, not worth loosing your face to save a few bucks.
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