The KSG410 is the lightest thinnest and shortest 410 bullpup shotgun in the world. It�s a design that features the dual tubes of our beloved KSG and the out-of-the-box fiber optic sighting system of our KS7. - Caliber .410 Bore - Weight Unloaded 5.4lbs - Magazine Capacity 5 + 5 + 1 (3 shells) - Overall Length 26.1 - Barrel Length 18.5 - Trigger Pull 5lbs - Length of Pull 13