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Daniel Defense 070771912501 .223/5.56 NATO 14.5" Heavy Phosphate
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Anderson Manufacturing Barrel AR15 556/223 10.5" 5.56 NATO 1:7 BARREL, CARBINE GAS, GOVERNMENT CONTOUR - B2-K004-AN
Anderson Manufacturing Barrel AR15 556/223 7.5" 5.56 NATO 1:7 BARREL, PISTOL GAS, GOVERNMENT CONTOUR - B2-K004-AN00
Ballistic Advantage Performance Series AR-15 11.3" 5.56x45mm Carbine Length Hanson Barrel with Low Profile Gas Bloc
Noveske 7000055 Lo-Pro Gas Block Barrel .223/5.56 NATO 16" Stainless Steel
Colt LE6920CK Upper Receiver Conversion Kit .223/5.56 NATO 16.1" Bl
Ballistic Advantage BABL556005M Modern Series .223/5.56 NATO 10.5" QPQ Corrosion Resistant
Daniel Defense 070770917301 .223/5.56 NATO 16" Heavy Phosphate
AR-15 7.5" Contour Barrel, .223 WYLDE, 1:7, Parkerized
Daniel Defense 070771617601 5.56mm .223/5.56 NATO 10.3" Black Heavy Phosphate
FN 36424 AR-15 Hammer-Forged Barrel 223/5.56 20" Rifle Length Gas System
FN 36423 AR-15 Hammer-Forged Barrel 223/5.56 18" Rifle Length Gas System
FN 36421 AR-15 Hammer-Forged Barrel 223/5.56 16" Carbine Length Gas System
CMMG 55DC70A Barrel Assembly .223/5.56 NATO 16.1" Nitrided
CMMG 55DE10A Barrel Assembly .223/5.56 NATO 16.1" Nitrided