J.K. Hawken Rifle — mechanical specs

Percussion. Kibler CNC Hawken percussion lock included. Calibers .45, .50, .54, .58 rifled. Barrel twist 1:48 to 1:70 depending on caliber. Half-stock. 31" barrel to standing breech. Tapered profile: 1.062" at breech, .900" at muzzle. Interchangeable barrels (fixed outer dimensions). Length of pull 13 5/8", drop at heel 3.5", no cast-off. Double-set triggers. Weight ~8.5 lbs (.45) to ~7.5 lbs (.58). Right hand only.

Category: Product SpecTopics: Hawken, Lock, Barrel, Stock, Trigger, .45 Caliber, .50 Caliber, .54 Caliber, .58 Caliber, Rifled, Percussion, Right Hand, Twist RateLast verified: 2026-07-25Also called: gun, rifle, muzzleloader, muzzle loader, firearm, hawken, plains rifle, lock, flintlock, firing mechanism, barrel, tube, trigger, set trigger, caplock, percussion, cap gun, twist, rifling twist, twist rate