Made from solid precision cast (not MIM!) steel, and hardened according to military specifications, the SI-XBC is a simple solution that ensures a lifetime of hard use. Strike Hard, Strike Fast, with the SI- Extended Bolt Catch.
1 x AR Extended Bolt Catch
1x Bolt Catch Roll pin
-Mil-Spec bolt catch engagement surfaces function with an mil-spec bolt carrier.
-Wide surface area "ping pong paddle" for faster operation.
-Solid Investment Cast8620 construction, case hardened.
- Widened Bolt Catch lower lever for easier manual locking of BCG to the rear.
-Sleek SI Design fits forged Mil-Spec receivers, and blends well aesthetically with many billet upper and lower receivers.