The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades, this custom-engineered design...

Aero Precision APAR600001C M4E1 Receiver Multi-Caliber Black Anodized Finish 7075-T6 Aluminum Material with Mil-Spec Dimensions for AR-15

AR-15 LOWER RECEIVER SEMI COMPLETE

AR-15 UIC STRIPPED LOWER RECEIVER AMBIDEXTROUS

Black Rain BROMLRBLK BRO Milled Lower 7075-T6 Aluminum Black Anodized for AR-Platform

Black Rain BROSPEC15LR Spec15 Forged Lower Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-Platform

CLASSIC SLIP-FIT 22 LONG RIFLE RECEIVER

CLASSIC SLIP-FIT 22 LONG RIFLE RECEIVER

CMMG S5CA642 Zeroed Lower Parts Kit Black Grip, Ambi Safety & Mag Catch, Mil-Spec Trigger, Fits AR-Platform/Mk4

AR-15 COMPLETE M4 LOWER RECEIVER

AR-15 COMPLETE WIDEBODY LOWER RECEIVER WITH MOD-2-SOPMOD STOCK

AR-15 COMPLETE WIDEBODY LOWER RECEIVER WITH MOD-2-SOPMOD STOCK

AR-15 COMPLETE WIDEBODY LOWER W/MK2RMS-M1T0 & MOD-2-SOPMOD STOCK

AR-15 COMPLETE WIDEBODY LOWER W/MK2RMS-M1T0 & MOD-2-SOPMOD STOCK

FN 20100821 for M4/M16

FN 20100822 FN15 MILITARY COLLECTOR M16 LOWER

FRNKLN 00-20023-BLK BFSIII LIBERTAS BLR BINARY

FRNKLN 00-20024-BLK BFSIII M4-BLR LOWER BINARY

Geissele Automatics Ultra Duty Lower Parts Kit Black, Ambi Safety, Oversized Bolt Release/Catch for AR-15

Geissele Automatics Ultra Duty Lower Parts Kit DDC, Ambi Safety, Oversized Bolt Release/Catch for AR-15

M4E1 RIFLE LOWER COMPLETE W/ A2 GRIP

308 AR M5 LOWER RECEIVER

MARS-H SOPMOD COMPLETE LOWER RECEIVER

MARS-L PDW COMPLETE LOWER RECEIVER