HK 51000384 MR556 Upper Receiver Kit 5.56mm for AR15/M16/M4

HK

ZAFFIRI UPK.19.5 UPPER PARTS KIT GLK 19GEN 5

Zaffiri Precision

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

LEAD & STEEL LLC

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory

TAPCO TAP22036 UPPER PARTS KIT

Tapco

TacFire BU-556-16 Rifle Upper Assembly 5.56x45mm NATO Caliber with 16" Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard for AR-Platform Includes Bolt Carrier Group

TacFire

Radian Weapons R0027 Model 1 Complete Upper 300 Blackout 9" Black Nitride Barrel

Radian Weapons

Patriot Ordnance Factory Minuteman Complete Upper 350 Legend 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory

UPPER MK18 5.56MM RIS II FDE223 Rem | 5.56 NATO

Daniel Defense

CMMG 55B8D86AB Dissent MK4 5.56x45mm NATO 10.50", Left Side Charging Handle, Armor Black, Zeroed Blast Comp, 9.60" M-LOK Handguard, Picatinny End Plate, Fits AR-Platform *UPPER ONLY

CMMG

Sharps Bros SBUR04 Billet Upper Upper Receiver, 7075-T6 Aluminum w/Mil-Spec Anodized Finish, Stripped w/Forward Assist & Dust Cover For .223/5.56/.224 Valkyrie/300 BLK/6.5 Grendel Caliber AR-15

SHARPS BROS LLC

Patriot Ordnance Factory Renegade + Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory