SI-AR-LRSK – Strike Industries M4 AR-15 Lower Receiver Spring Kit

Kit de ressort pour AR15

Contient

– 1 x Bolt Catch Spring
– 1 x Buffer Retainer Spring
– 1 x Trigger Spring
– 1 x Hammer Spring
– 1 x Disconnector Spring
– 1 x Magazine Catch Spring
– 1 x Selector Spring
– 2 x Detent Spring