The Tiger Rock Inc. LPK-15 Lower Parts Kit is designed for assembling your AR-15 platform, excluding the trigger, hammer, and springs for a streamlined building experience. This comprehensive kit ensures reliable functionality with essential components such as a magazine catch assembly, safety selector lever, and bolt catch assembly, all crafted for durability and performance. Magazine Catch Assembly w/Button and Spring AR-15 Single Safety Selector Lever AR-15 Bolt Catch Assembly Kit Buffer Tube Detent Plunger & Retainer Spring Takedown/Pivot Pin Detents & Springs AR-15 A2 Style Pistol Grip Durable Aluminum Standard Trigger Guard Assembly Upgrade your lower receiver today with trusted components from Tiger Rock Inc.