AR 15 AR 15 5.56 BARREL 20" WITH A2 TOWER SIGHT IS MADE FROM 4140 OR 4150 VANADIUM STEEL, AFTER THEY ARE PROFILED A MILS-PEC GAS PORT IS DRILLED, AN M4 BARREL EXTENSION IS INSTALLED TIGHTEN WITH A TORQUE WRENCH TO SPEC AND THEN PINNED. WE PHOSPHATE, NITRITE,HARD CHROME EACH BARREL TO CLIENT SPECS, EACH AR-15 BARREL IS BATCH TEST FIRED FOR ACCURACY AD RELIABILITY. CHOOSE OUR AR 15 5.56 BARREL FOR YOUR NEXT BUILD.
Length: Ar 15 del-ton 20" 5.56 government profile Barrel 1x9 Moly A2-sight
Material: 41v50 Chrome Moly Steel
Chamber: 5.56x45mm NATO
Twist Rate: Choose your twist
Chrome Lined: No
Finish: Manganese Phosphate (Parkerized)
M4 Feed Ramps: Yes
Muzzle Thread Pattern: 1/2"-28
Gas Port Location: Carbine
Exterior Diameter at Gas Port: 0.750"
Extras: Front Sight Tower, Barrel Nut, Handguard Cap
Barrel AR-15 Ar 15 5.56 barrel 20" with a2 tower sight NATO M4 Contour 1 in 9" Twist 16" Chrome Moly with A2 Front Sight Phosphate. This AR-Stoner M4-Contour AR-15 Barrel is fully chambered and ready for installation onto a host upper receiver. The barrel features a true Ar 15 5.56 barrel 16" with a2 tower sight NATO Chamber for use with both commercial and military surplus ammunition, while the 1 in 9" Twist Rifling is capable of stabilizing light to medium weight projectiles of up to about 69 grains. The barrel's M4 Contour sheds excess weight and bulk.