DealMust use coupon code PINS to get the free pins. Enter coupons in lower left hand of shopping cart. If you've entered checkout, you've gone too far !! The Steel-Cased AR Trigger comes with a stiffer hammer spring, while the trigger spring remains at 4#. The stiffer hammer spring is designed to properly ignite the tougher primers found on steel case ammo, and solves the problems of light strikes that some of the 22LR AR-15 variants experienced also. from Whitestone Castle Armory (Product V2001T) |