S sgtabj Cadet Joined Feb 20, 2005 Sep 2, 2001 #1 Chamber Narrower portion of the bore, at its base. Mostly found in howitzers, it allows the projectile to be fired using less powder than a gun of the same caliber....
Chamber Narrower portion of the bore, at its base. Mostly found in howitzers, it allows the projectile to be fired using less powder than a gun of the same caliber....