...... goes through an AR like corn through the Christmas goose using a grendel mag. Bullet weights from 180 to 350 gr and you gain some efficiency over the BR case? Nothin' not to be happy about..... 'cept it wont go through a 9mm suppressor
...only 20 thousandths difference so it might as well be ?
Pretty close guess for my old, Mk.1 eyeball, eh?
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