WHAT'S INCLUDED Customers are responsible for ensuring that when assembling kits, they must adhere to all Local, State, and Federal laws. Your new DPMS kit will include the listed components that are required to assemble into a complete AR rifle or pistol: FIRE CONTROL GROUP AR-15 Panther Polished Hammer Hammer Spring AR-15 Panther Polished Trigger Trigger Spring Trigger/Hammer Pins Disconnector Disconnector Spring BUFFER TUBE ASSEMBLY Buffer Tube Buffer Buffer Spring Castle Nut Latch Plate Buffer Retainer Detent Buffer Retainer Detent Spring TAKEDOWN & PIVOT PIN ASSEMBLY Takedown Pin Pivot Pin Takedown Springs (3) Takedown Detents (3) BOLT CATCH ASSEMBLY Bolt Catch Bolt Catch Detent Bolt Catch Detent Spring Bolt Catch Roll Pin MAGAZINE CATCH ASSEMBLY Magazine Catch Magazine Catch Button Magazine Catch Spring SAFETY SELECTOR ASSEMBLY Safety Selector Selector Detent Selector Spring