W.A.S.P. Treated Barrel (Weapon Armament Surface Protection) is a salt bath ferritic nitrocarburizing surface conversion process or more commonly referred to as nitriding. The nitriding conversion is applied to the barrel inside and out, along with the front sight base on our LE rifles and uppers. Nitriding offers improved wear, abrasion, and corrosion resistance when compared to hard chrome lining or phosphating. Unlike chrome lining, where the chrome is built up on the surface, nitriding converts the surface without the risk of dimensional build up. CMMG Pioneered the use of this nitriding process on AR barrels and has been using it for many years. 1/2"x36 Thread
Posted by ken on 30th Mar 2015
FIt finish and accuracy all what you would expect from a quality company.
Posted by Unknown on 23rd May 2014
CMMG puts effort in to all their parts. I was very surprised at how well the barrel was finished. Crazy accurate! I was busting clay pigeons on the berm at 100 yds using a cheap red dot.
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