Description
Arms Unlimited AR15 16-inch M4 Style Barrel is constructed from Mil-Spec 41V50 Chrome Moly Vanadium Steel Blanks from Green Mountain so you know they are rifled correctly. M4 Carbine profile is slim under the handguard and heavy from the gas port forward, placing a little extra weight toward the muzzle for a natural, balanced feel when installed. It comes with a 5.56x45mm NATO chamber that's safe for use with both commercial-grade and military surplus ammunition, while its 1 in 7" twist rifling allows it to properly stabilize medium- to heavy-weight projectiles of up to about 77 grains. Additional features include a carbine length gas port, a pre-installed barrel extension with M4 feed ramps, and a 1/2"-28 threaded muzzle for the installation of a flash hider, muzzle brake or sound suppressor.
