The SI-XBC Extended bolt catch is a heavy duty, “go-fast” addition to the SI line of enhanced parts. Under high stress situations, the oversized bolt release lever aides in rapid thumb or palm engagement, even with gloved hands. The lever is reinforced for increased durability and impact resistance. 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.
-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.