5.56x45mm NATO Upper Receivers

Lead & Steel Llc JAG16URGGRY Just As Good Upper Receiver 5.56mm 16

Lead & Steel Llc ARC14URGODG All-Rounder Carbine Upper Receiver 5.56

Lead & Steel Llc ARC14URGFDE All-Rounder Carbine Upper Receiver 5.56

Lead & Steel Llc ARC13URGODG All-Rounder Carbine Upper Receiver 5.56

Lead & Steel Llc ARC13URGFDE All-Rounder Carbine Upper Receiver 5.56

Lead & Steel Llc LSSURFODG 223/5.56 7075-T6 Aluminum, Upper Receiver

Lead & Steel Llc LSSURFGRY 223/5.56 7075-T6 Aluminum, Upper Receiver

Lead & Steel Llc LSSURFFDE 223/5.56 7075-T6 Aluminum, Upper Receiver

Spikes Tactical Complete Upper Receiver, 223 Rem/556NATO, 14.5 in Barrel (16 in OAL with Pinned Brake), Mid-length Gas System, Fits AR Rifles, Black, Flat Top Receiver, No Sights, 12 in CRR Quad Rail, Dynacomp Muzzle Brake, No Mags STU5050-CQ2D

PALMETTO STATE ARMORY JAKL

YANKEE HILL MACHINE CO Turbo Integral Suppressed 5.56 NATO 10.5in Upper Receiver Group (YHM-7125)

SPIKES TACTICAL 5.56mm 16in Midlength CHF Upper with 12in BAR2 Rail (STU5435-R2S)

SPIKE'S TACTICAL Upper (5.56) 16" CHF Midlength w/ML Handguard & FSP (STU5435-MLS)

RADIAN WEAPONS Model 1 14in Radian Brown Upper and Handguard Set (R0626)

PATRIOT ORDNANCE FACTORY Renegade Plus 5.56 Upper Receiver Assembly, 16.5" Barrel, 9 Position Direct Impingement Dictator, 14.5" Rail, Black Anodized (00907)

NOVESKE Chainsaw 5.56mm 16in Complete Upper (3000523)

GEISSELE AUTOMATICS Super Duty MOD1 5.56 NATO 14.5in Upper Receiver Group (08-547B)

Geissele URG-I Near Clone 5.56 NATO 14.5" 1:7" Gov Bbl DDC Complete Upper Receiver Group w/13.5" M-LOK MK16 SMR 08-159 - Mount Marks 9452

Stag Arms 16" 15 L Tactical M-LOK/Quad Rail Midlength Left-Handed Upper Assembly - CA Compliant

Stag Arms A3 Forged Stripped Upper Receiver

Stag Arms AR-15 16 Tactical QPQ Midlength Left-Handed Upper Assembly - Black

Stag Arms Stag 15 Tactical Left-Handed QPQ 16 in 5.56 Upper - FDE

Dirty Bird 13.7" Government Midlength 5.56 NATO M-LOK V3 Upper Assembly

M16A1 C7 Assembled Upper Receiver w/ Brass Deflector