.223 / 5.56

Faxon Firearms 5.56 Chrome Lined 4150 5R Barrel

Ballistic Advantage Performance Series 5.56 NATO Hanson Barrel - 10.3" w/ Lo Pro Gas Block

Ballistic Advantage Performance Series Hanson 5.56mm 4150 Chrome Moly Barrel Mid w/ Lo Pro Gas Block-16

Geissele Cold Hammer Forged AR15 5.56 Barrel

Ballistic Advantage Modern Series 5.56 Government Barrel - 13.7"

Ballistic Advantage Modern Series 5.56 Midlength Gov't Profile CMV Barrel - 16"

Spinta Precision MK18 5.56 NATO Nitride Barrel - 10.3"

Christensen Arms AR-15 .223 Wylde Carbon Fiber Barrel - 10.5"

Noveske CHF Chrome Lined Switchblock 5.56 NATO Barrel - 12.5" Leonidas

Daniel Defense Cold Hammer Forged 5.56 NATO Barrel

VKTR Industries Hammer Forged DI 5.56 NATO Barrel w/ Custom Gas Block

Boss Barrels Carbon Fiber 223 Wylde AR-15 Barrel

Rainier Arms Match .223 Wylde Lightweight Barrel - Nitride

Sons Of Liberty Gun Works 5.56mm Combat V2 Barrel

Sons Of Liberty Gun Works 5.56mm CHF V2 Combat Barrel

Lewis Machine & Tool (LMT) MRP Mid Chrome Lined 5.56 Barrel - 14.5"