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Quentin Defense has just introduced a new 18″ Fluted 5.56 Match Grade Barrel. The new barrel has a Black Nitride finish also known as QPQ, Melonite, etc. which is a surface treatment that actually changes the surface of the metal making it extremely durable and resistant to corrosion. Many companies are starting to use it on barrels because it coats the inside and out of the barrel as its a bath in molten salt. The bore gets coated which makes it slicker than chrome lining but is more durable than chrome lining. This barrel also features a 1:8 twist which is a great “shoot all” twist rate that does a great job with a wide range of bullet weights. You’ll also see fluting in front of and behind the gas block seat for weight savings, increased cooling surfaces and its looks pretty cool too. Normal retail will be $270 which is a great deal as it sits but they are offering an introductory price on this great looking barrel for just $230. You can snag one at

Quentin Defense 18 inch match fluted barrel

Quentin Defense 18″ Match Barrel.
—  4150 Chromoly.
–  1:8 Twist.
–  Fluted.
–  Threaded 1/2″ x 28tpi.
–  5.56mm Match Chamber.
–  Black Nitride Finish.
–  .750 Diameter @ Gas Port.
–  Mid-length Gas System.
–  2lb. 1oz.

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