5.56x45mm NATO Upper Receivers

Bravo Company Manufacturing MK2 BFH Enhanced Lightweight Barreled AR-15 Upper Receiver - 5.56 - 16" - MCMR-15

Bravo Company Manufacturing MK2 Barreled AR-15 Upper Receiver - 5.56 - 14.5" - FDE - MCMR-13

Bravo Company Manufacturing MK2 Barreled AR-15 Upper Receiver - 5.56 - 14.5" - Black/FDE - MCMR-13

Bravo Company Manufacturing MK2 Barreled AR-15 Upper Receiver - 5.56 - 14.5" - MCMR-13

Bravo Company Manufacturing MK2 BFH Enhanced Lightweight Barreled AR-15 Upper Receiver - 5.56 - 14.5" - MCMR-13

Bravo Company Manufacturing MK2 Barreled AR-15 Upper Receiver - 5.56 - 12.5" - MCMR-10

Bravo Company Manufacturing MK2 Barreled AR-15 Upper Receiver - 5.56 - 11.5" - MCMR-10

Bravo Company Manufacturing MK2 BFH Barreled AR-15 Upper Receiver - 5.56 - 11.5" - MCMR-10

Aero Precision M4E1 Threaded Barreled AR-15 Upper 5.56 Carbine Length ATLAS R-One - 16"

Q Sugar Weasel Complete AR-15 Upper Receiver - 5.56 - 13"

Geissele Automatics Border Patrol Center Tab MK20 Assembled AR-15 Upper Receiver - 9.6" - BLEMULA

Geissele Automatics Super Duty Assembled AR-15 Upper Receiver - BLEMULA

Geissele Automatics Super Duty Center Tab MK16 Assembled AR-15 Upper Receiver - 9.3" - DDC - BLEMULA

Geissele Automatics Super Duty Center Tab MK16 Upper Kit - Assembled Upper - Black - 15" - BLEMULA

Noveske Rifleworks Gen 4 N4 Light Recon CHF 5.56 Complete AR-15 Upper Receiver - 16" - FDE

Blem H&R 606 20" 5.56 NATO Upper, Black

H&R 606 20" 5.56 NATO Upper, Black

H&R AR-15 605 5.56 15.3" Complete Upper w/ BCG & CH, Black

H&R AR-15 605 5.56 15.3" Complete Upper w/ BCG & CH, Gray

BLEM Harrington & Richardson 10" 607 Upper

Harrington & Richardson 10" 607 Upper

Blem Harrington & Richardson 733 Pistol Upper, 5.56, 17 Gray, C7

Harrington & Richardson 733 Pistol Upper, 5.56, 1/7 Gray, C7

Harrington & Richardson XM16E1 Complete Upper, Gray, 1/12