*Uppers

Aero Precision

AERO M4E1 PRO LOWER RECEIVER ODG

Alex Pro Firearms

APF SIDE FOLD ASSEMBLED LOWER CARBINE TUBE

POF USA

RENEGADE+ UPPER 5.56 10.5" BLK223 Rem | 5.56 NATO

Zaffiri Precision

ZAFFIRI ZPS.B.43.BLK.CU.2 ZPS.B G43 UPPER 43BCPG

Spikes

Spikes SFT50M4 Flat Top Stripped Upper Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for M4 Platform

Daniel Defense

Daniel Defense 2300408013011 MK18 Upper Group 5.56x45mm NATO 10.30" Black Phosphate Barrel, 7075-T6 Aluminum Black Anodized Receiver, Flat Dark Earth DD RISII MK18 Handguard for AR-15

Gemtech

Gemtech 13833 GVAC Upper Receiver 5.56x45mm NATO 16.10", Black, 15" M-LOK Handguard, ETM Flash Hider, BCG Included

Rock River Arms

Rock River Arms BB0470 LAR-15M RRAGE 3G Complete Upper, 5.56x45mm NATO 16", Black, Aluminum Rec, 15" M-LOK Handguard, A2 Flash Hider, No Forward Assist

American Tactical Inc

MILLSPORT UPPER 5.56MM 16" ML5.56 x 45mm

Aero Precision

AERO M4E1 STRIPPED LOWER RECEIVER BLK

Zaffiri Precision

ZAFFIRI G43UPK UPPER PARTS KIT GLK 43/43X/48

Patriot Ordnance Factory

Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block