Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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Hardened Arms 16" 5.56 M4 Melonited 1/7 Barrel
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Your Price $159.99
Hardened Arm's barrels are made to our exacting specs right here in the USA. Each barrel is button rifled for superb accuracy and finished with Magnesium Phosphate for excellent durability.

Barrel Specs:
16" M4 Profile
Chambered in 5.56 (Will also shoot .223)
4150 Chrome Moly Steel
1 in 7 Twist Six Groove Button Rifled
Stress relieved barrel and extension
Carbine length gas port
Melonited Finish
M4 Feed Ramps
1/2x28" Threaded muzzle
Manufactured in the US
.750" at gas block

Our barrels are made in the USA from solid bar stock, head spaced and are ready to assemble. Gas port tuned for reliability with 5.56 or .223.
515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837