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Wilson Combat TRUPPERBIL Billet Upper 5.56x45mm NATO 7075-T6 Aluminum Black Anodized Receiver for AR-15
Colt LE6940CK Upper Conversion Kit Monolithic 223 Rem/5.56 NATO 16.1" Black
Black Rain Bromurlbk Black Rain OrdnanceAR15 Upper .223/5.56 NATO 7075-T6 Aluminum Black Hardcoat Anodize Finish
Noveske 7000055 Lo-Pro Gas Block Barrel .223/5.56 NATO 16" Stainless Steel
Wolf Performance A1 Complete Upper 12.5" 5.56 NATO 1:7 Piston Driven
VKTR Industries VK-1 Complete AR-15 Upper 5.56 NATO 16" Barrel Nitride Finish Black
LaRue Tactical LT007 Stripped Upper Receiver, AR-15 Compatible, .223/5.56, Aluminum, Black Finish, MPN LT007
Sons of Liberty Gun Works Broadsword 89 V2 Upper, AR-15, 5.56 NATO, 13.7" Pinned Barrel, Black Finish.
Sons of Liberty Gun Works L89 V2 Complete Upper, AR-15, 5.56 NATO, 13.7" Barrel, Black Finish.
TacFire 10.5" 5.56 NATO Black Nitride Complete Upper Assembly - SSBU55610
Zev Technologies UR556FOR AR15 Forged Upper Receiver .223/5.56 NATO 7075-T6 Aluminum Black Hardcoat Anodized
Battle Arms Development WH556-URS Workhorse Aluminum AR-15 Upper Receiver
Colt LE6920CK Upper Receiver Conversion Kit .223/5.56 NATO 16.1" Bl
Rosco Manufacturing K9 13.95" 5.56 NATO 416R Stainless Nitride Barrel for AR-15
CMMG Barrel Sub-Assembly 55D590A 16.1" 5.56 NATO 416R Stainless Bead Blasted Finish AR-15 Compatible
Daniel Defense 16" 5.56 NATO Mid-Length Lightweight Barrel CHF