AR-15 MIL-SPEC LOWER PARTS KIT W/ GRIP, NO TRIGGER

Geissele Standard Lower Parts Kit, Black

Geissele Ultra Duty Lower Parts Kit, Black - 05-435B

Geissele Automatics Ultra Duty Lower Parts Kit - Desert Dirt Reliability - 05-435S

Geissele Standard Lower Parts Kit w/Grip, Black

Luth-AR AR-15 Lower Receiver Parts Kit w/ Trigger and Grip - LRPK-1

Guntec AR15 Lower Parts Kit Ambi w/o Grip & Trigger Group

Geissele Automatics Geissele Super Duty 5.56mm NATO Black Stripped Lower Receiver 02-1296-SD-B