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Premium Grade Parkerized AR-15 Barrel, 7.5" Heavy Barrel .300 Blackout Barrel with a 1 in 8 twist Gas port drilled for pistol length gas set up and threaded for comp.Barrel Extension in rear with M4 feed ramps... It has a .750 gas block diameter ready to install into receiver..300 Blackout caliber
Don't forget the AeroShell 33MS Mil Spec Armorer's Grease!
This is a premium grade 7.5" Parkerized AR-15 pistol barrel from a highly respected U.S. contractor/barrel manufacturer. These premium 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.
These barrels are made from 4150 Chrome Moly Vanadium 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.
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