The Howa M1100 features an 18 barrel with 1:16 twist rate. The barrel has #4 varmint contour with HK polygonal rifling, effectively sealing propellant gases behind the bullet for increased velocity. The barrel has 1x28 threading with cap. Includes a synthetic stock, tactical bolt handle, and beavertail forend. Has an overall length of 37 and weighs 6.3 lbs.