projectile compatibility

We recommend sticking with round balls, as the twist rate of our barrels is specifically designed for them. Any lead-free projectile that is similar to a traditional round ball should work, but plastic sabots with copper projectiles are not recommended for these barrels.

Topics: Products_KitsTags: Legal|Twist Rate|Round Ball|Barn Gun|Hunting|Barrel|ShootingLast verified: 2026-08-10Also called: legal, ffl, background check, regulations, atf, antique firearm, twist rate, twist, rifling twist, rate of twist, round ball, roundball, ball, patched ball, appalachian barn gun, barn gun, barngun, barn rifle, appalachian, abg, poor boy, poorboy, hunting, deer hunting