223 Remington Upper Receivers

LMT MWS Upper Receiver

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

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

M16A1 C7 Assembled Upper Receiver w/ Brass Deflector

M16A1 C7 Stripped Upper Receiver w/ Brass Deflector - No Feedramps

Aero Precision M4E1 Upper Receiver and 9" M-LOK Gen 2 Handguard Combo - FDE Cerakote

Aero Precision M4E1 Threaded Assembled Upper Receiver and 9" ATLAS R-ONE M-LOK Handguard Combo - Anodized Black

NBS AR-15 Assembled Upper Receiver

Lantac N15 Raven Billet Receiver Set

NBS 16" Gov Mid M-LOK Upper Assembly - Magpul OD Green

VLTOR MUR Upper Receiver With Bolt Assist And Shell Deflector - Null Anodize - Grade B

NBS Slick Side Billet Receiver & M-LOK Handguard Combo - 15"

Slick Side Billet Upper Receiver - OD Green

NBS AR-15 Stripped Upper

LMT MRP-L M-LOK AR-15 Upper Receiver - 9.25"

Foxtrot Mike 2 POSITION AR-15 ADJUSTABLE CARRIER (PWS)

War Dog Industries Skeletonized Upper Receiver - Black

Battle Arms Development Workhorse WH556-URS-ODG OD Green Anodized AR-15/M4 Upper Receiver

Brn-4(R) Blem Upper Receiver Assemblies With Nitride Barrels - Blem Brn-4 Assembled Upper 14.5 Md Black Nitride Bbl

Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 10.4'''' Medium Barrel

Xm177e2 Complete Upper Receiver & 4x Retro Carry Handle Scope - Xm177e2 Upper Receiver 11.5'''' 1-7 & Retro Colt 4x Optic (Dupe

Dd 10.3'''' Mk18 Riii Upper Receiver W/ Eotech Optics - Dd 10.3'''' Mk18 Riii Upper W/ Exps2-0 Holographic Red Dot