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Premium Grade Parkerized AR-15 Rifle Barrel, 16" Contour M4 Barrel,1 in 8 twist Gas port drilled for carbine length gas set up, and threaded for comp.Barrel Extension in rear with M4 feed ramps... drilled with a .070" gas port diameter at carbine length. It has a .750 gas block diameter ready to install into receiver.This barrel is marked as being chambered 5.56 NATO - Set up for carbine length handguards.
Don't forget the AeroShell 33MS Mil Spec Armorer's Grease!
This is a premium grade 16" Parkerized AR-15 rifle barrel from a highly respected U.S. contractor / barrel manufacturer. These high quality barrels are renowned for their deep, crisp, and consistent rifling and extreme accuracy.When it comes to AR-15 barrels these Beautiful M4 Contour beauties are the granddaddy of them all. 1 in 8 twist, gas port drilled at .070 and set up for carbine length gas system with a .750 gas block diameterThreaded for any standard AR-15 compensator. Barrel Extension in rear with M4 feed ramps ready to install into any standard AR receiver.This barrel is marked as being chambered 5.56 Nato
These barrels are made from 4140 cold rolled steel and are rated at a barrel life of approximately 150,000 rounds. They are very top end. They are not chrome lined as most AR15 barrels are not. Chrome lining on modern rifles is typically used where there is a high probability of corrosive ammo being used such as AK type rifles chambered for foreign calibers... Since chrome lining may slightly affect accuracy, and since most AR-15 rifles are designed with accuracy as a benchmark, and since virtually all .223 / 5.56 NATO is non corrosive...most AR manufacturers do not chrome line barrels. What a deal.......
Each parkerized barrel starts with 4140 Gun Barrel quality steel. Heat Treated and Stress Relieved to a hardness of Rockwell C 28-32. Or we use the 416 Gun Quality Stainless Steel for our Stainless Steel Barrels.All barrels are manufactured on modern CNC equipment to completely machine the barrel. We drill, ream, rifle, turn, chamber ream, pin the Barrel Extension, drill the gas hole, and mill the flutes, all on late model CNC Equipment. The Barrels are manufactured under the ISO 9002 Quality System, and each goes through a Final Inspection before shipping.
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