This AR-15 10.5 inch 5.56 NATO barrel comes with an A2 F-marked front sight base, a carbine gas tube, and A2 delta ring parts. The barrel is 4150 chrome moly vanadium with a black nitride finish, an M4 profile, an M4 barrel extension, and a 1 in 8 twist rate. It uses a carbine length gas system with a 0.75 inch gas block shelf and a half inch x 28 thread pitch. The round handguard cap and drop-in handguard compatibility keep the front end in the classic A2 style for AR-15 pistol builds.
This barrel measures 10.5 inches and is chambered in 5.56 NATO. It uses an M4 profile and an M4 barrel extension. The barrel is made from 4150 chrome moly vanadium with a black nitride finish and a 1 in 8 twist rate. The muzzle uses a half inch x 28 thread pitch for compatible muzzle devices.
The barrel comes with an A2 F-marked front sight base with taper pins. A carbine length gas tube is included to match the carbine gas system. The barrel has a 0.75 inch gas block shelf. These parts give the barrel a traditional fixed front sight setup.
A2 delta ring parts are included with the barrel along with a round handguard cap. These parts are matched to drop-in style handguards. The round cap and delta ring give the front end the classic A2 look. Owners running free-float handguards should confirm compatibility with a front sight base barrel.
Follow safe handling and manufacturer instructions.
Ensure compliance with all applicable federal, state, and local laws.
Verify compatibility with your upper receiver, handguard, and muzzle device before use.
Inspect all components before use.
Model: 10.5" 5.56 Front Sight Base Barrel, Carbine Gas, 1:8T, Government Profile, M4 Extension, 4150 CrMoV, Black Nitride, A2 F-Marked Base, Round Handguard Cap, Taper Pins, Includes A2 Delta Ring Assembly
Platform: AR-15
Classification: Pistol
Caliber: 5.56 NATO
Length: 10.5
Handguard Compatibility: Drop-In
Gas Block Shelf: 0.75
Gas Length: Carbine
Profile: M4
Twist Rate: 1:8T
Finish: Nitride
Material: 4150 Chrome Moly Vanadium
Thread Pitch: 1/2x28
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