What barrel length and calibers are offered on the Hawken kit?
The barrel is fairly short at 32 inches, and the kit is available in 45, 50, 54, and 58 caliber, with 58 caliber weighing about 7.75 pounds, 54 caliber about 8 pounds, and 50 and 45 caliber somewhat more, roughly 8 to 8.5 pounds.