Tapco

Stripped Upper Receiver

MPN : TAP22062

UPC : 810122800590

Wilson Combat

Billet Upper/Lower Set

Multi

MPN : TR-LOWUPP-BIL-ATB

UPC : 810025508838

Patriot Ordnance Factory

P-415 EDGE Upper Receiver

.223 Remington / 5.56 mm NATO

Semiautomatic

MPN : 01269

UPC : 847313012692

Volquartsen

LLV-4

.22 LR

MPN : VC4LLV-0025

UPC : 810162019426

Smith & Wesson

MPN : 110116

UPC : 661120001287

Franklin Armory

Elite Libertas Lower Receiver

Multi

Semiautomatic

MPN : 00-20023-BLK

UPC : 818725013133