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DPMS M4 CUT 16" 1x9" Twist, AP4 Light Contour AR15 Barrel DescriptionThese 16" barrels are 2lbs 4 oz (with gas block and barrel nut which are INCLUDED) and threaded 1/2”-28 to accept sound suppressors, flash hiders, muzzle brakes, and other accessories. Chambered in 5.56 NATO (allows use of .223 or 5.56 surplus ammunition). Made from chrome-moly vanadium steel and heat treated to RC 25-32. Includes pre-installed barrel extension WITH M4 FEED RAMPS (matching up to upper receiver M4 feed ramps) pre-set to correct headspace. Easy to replace/install for a new build or a GREAT spare at a GREAT price!
AP4 Contour (R4 Barrel Profile)
Barrel Specifications 6 groove, RH twist.223/5.56 NATO Chamber Caliber Button rifled Manganese phosphate Threaded Muzzle Bayonet Lug A.I.S.I. 4140 Chrome-moly steelINCLUDED: - R4 Profile Barrel (no handguard)
- Installed Front sight gas block with bayonet lug (front sight post, detent, spring assembly INCLUDED)
- Barrel nut (on barrel)
- Installed Front handguard retainer plate
- Installed and headspaced Barrel Extension
- Front Sling Swivel
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