Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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18" 6.5 Grendel QPQ-Barrel
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Your Price $249.99
Hardened Arm's barrels are made to our exacting specs right here in the USA. Each barrel is button rifled for superb accuracy.  We start with 4150 CMV steel and run a QPQ (Black Nitride) to maintain the highest quality and standards.

Barrel Specs:
18" Socom Profile
Chambered in 6.5 Grendel
4150 Chrome Moly Steel
1 in 8 Twist Six Groove Button Rifled
Stress relieved barrel and extension
Carbine gas port
Melonited Finish
Chrome lined chamber/bore
M4 Feed Ramps
5/8x24" Threaded muzzle
Manufactured in the US
.750" at gas block

Our barrels are made in the USA from solid bar stock, headspaced and are ready to assemble. Gas port tuned for reliability with 6.5 Grendel.
515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837