CMMG S5CA642 Zeroed Lower Parts Kit Black Grip Ambi Safety Mag Catch MilSpec Trigger Fits ARPlatformMk4

Kit Includes: ZEROED Extended Bolt Catch AR15Bolt Catch Plunger Spring Roll Pin ZEROED Trigger Guard Screw Roll PIn Trigger Trigger Spring Disconnector Disconnector Spring Hammer Hammer Spring TriggerHammer Retaining Pins ZEROED 6090 Adjustable Ambi Safety Detent Spring ZEROED Ambi Magazine Catch Spring ZEROED Extended Magazine Release Button HD PivotTakedown Pins Detents Springs ZEROED Pistol Grip Grip Screw Washer Buffer Retainer Spring. Finish your next AR15 lower receiver with the CMMG ZEROED Mk4AR15 lower parts kit. Every piece is made here in the USA and comes in convenient colorcoded packets to make assembly a breeze. Check out our interactive install walkthrough video below or read the CMMG Resources LPK Install article for an indepth breakdown. Dont forget a Buttstock or Brace kit to complete your pistol or rifle lower. All parts meet or exceed milspec. All installation hardware included.