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Windham Weaponry 14.5in M4 Barrel for AR15 / M16

Product Description

This M4 Profile Barrel - 14.5äó? in length - has the M4 turning (for mounting a grenade launcher), and the barrel extension has the M4 style feed ramps. Also included are the Barrel Nut, Front Handguard Cap, A2 Standard Sight Base with Sling Swivel, Front Sight Post, Front Sight Detent, and Bayonet Lug. This premium barrel is machined from 4150 Chrome Moly Vanadium 11595E Steel, Chrome Lined in both Bore and Chamber for long wear and ease of cleaning and Black Manganese Phosphate finished for protection against rust and corrosion. Button rifling is 1 turn in 7 inches - right hand twist twist to stabilize the heavier 75 and 77 grain bullets. The muzzle is threaded 1/2äó? x 28 tpi to accept a variety of flash hiders or muzzle brakes.

NOTICE: THIS PART MUST BE USED IN - OR WITH - A TITLE II RECEIVER (NFA REGISTERED) FOR LEGALITY. This requirement is in accordance with Title 27 Code of Federal Firearms Regulations [Subpart B-Definitions (479.11) (a) thru (g) under Firearms]. For any further questions you may have concerning Local, State or Federal compliance, please contact the Alcohol, Tobacco, & Firearms Bureau. Local listings available at

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