Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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16" SS 5.56 Match Grade Titanuim Nitride Barrel w/Matched BCG
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Your Price $799.99
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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" SS HBAR Profile
MATCH chambered and matched to bolt
Chambered in 5.56 (Will also shoot .223)
Certified 416R Stainless Steel
1 in 7 Twist Six Groove Button Rifled
Stress relieved
Carbine length gas port
M4 Feed Ramps
1/2x28" Threaded muzzle
Manufactured in the US
.750" at gas block
Titanium Nitride Coated


Titanium Nitride BCG
Phosphate Bolt- matched to chamber of barrel

Match Grade criteria, the groove diameter must air gauge within .0003" of our standard diameter. Moreover, the uniformity of the bore cannot vary more than .0001" for the entire length of the barrel. These barrels are also completely stress relieved, and the bore is polished to a gleaming surface finish by our most experienced lappers. Match Grade stainless steel barrels includes hand lapping to a beautifully smooth surface. Chrome-moly can be lapped to a similar finish at an additional charge.
Every barrel is stress-relieved in a vacuum furnace, hand lapped, and inspected with a video bore scope. Quality is also assured through the use of our Sheffield Air Gauge System and Rockwell Hardness Tester. Stainless steel barrels are guaranteed to be uniform dimensionally to .0001″ and free from internal tool marks. Chrome-moly barrels are uniform to within .0002″ end to end. We do not have different grades of barrels in the two types of steel: just one, our best match quality.  Each match grade barrel includes the paired bolt- further insuring the ultimate match performance.


Our barrels are made in the USA from solid bar stock, headspaced 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