Our AR-15 Lower Receiver Parts Kits (LPK's) include everything you'll need to put together a well-functioning and sleek Lower. The solid steel Trigger and Hammer are made in the U.S.A. and each of the pieces are also available separately.

The standard LPK includes our replacement Polymer A2-style pistol grip and flat trigger guard, both with a matte black finish.



  • Magazine Catch Assembly w/Button and Spring
  • AR-15 Single Safety Selector Lever
  • AR-15 Bolt Catch Assembly Kit with Plunger, Spring & Roll Pin -Black
  • 223 308 Buffer Tube Detent Plunger & Retainer Spring
  • Takedown/Pivot Pin Detents & Springs -  2 sets
  • Safety Spring and Detent pin - 1 pc
  • Hammer Pin - 2 pcs
  • Takedown Pin
  • Pivot Pin
  • AR-15 A2 Style Pistol Grip
  • Pistol Grip Screw and Lock Washer
  • AR-15 Aluminum Standard Trigger Guard Assembly -BLACK
  • Trigger Spring
  • Hammer Spring
  • AR-15 Disconnector
  • AR-15 Disconnector Spring - 1 pc
  • AR-15 Trigger (Made in USA)
  • AR-15 Hammer (Made in USA)

Tiger Rock AT Lower Parts Kit (complete)




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