Southern Mountain Rifle calibers

No, the Southern Mountain Rifle is only available in calibers up to .45. The barrel profile is too small to accommodate a larger caliber.

Topics: Products_KitsTags: Southern|.50 Caliber|Barrel|.45 CaliberLast verified: 2026-08-15Also called: southern mountain rifle, southern mountain, mountain rifle, southern, smr, .50 caliber, .50, 50 cal, 50 caliber, barrel, .45 caliber, .45, 45 cal, 45 caliber