SPIKE'S " CQB ENHANCED " 11.5" 5.56 NATO.Spike's Tactical M4 flat top upper receiver is machined from a Mil-Spec 7075 T6 forging with a durable Type III Hardcoat Anodized finish that also features laser engraved T-Markings, M4 feed ramps cut into the receiver before Anodizing to avoid future reliability issues, and spider logo. * Spike's Tactical Lifetime Warranty *.
Enhanced (upgraded): *V1 Billet charging handle, *PXT Adj. gas block, *Spike's Tactical FN C.H.F. 11.5" Carbine-Length Barrel 5.56.
FEATURES•Mil-Spec M4 Barrel extension with 22.214.171.124 MIL-STD-171 Phosphate Finish•5.56 NATO Chamber•1 in 7 Twist rate•All chambers are individually checked for head spacing before and after plating•All chambers are individually high pressure tested (HPT) and then individually magnetic particle inspected (MPI)•126.96.36.199 MIL-STD-171 Phosphate finish on the barrel exterior•1/2x28 Thread pitch•Threads are cut concentric to the bore•Weighs 17.5 oz. These amazing Cold Hammer Forged barrels are extremely durable with a 20,000+ round service life. Features Spikes Tactical Light Weight barrel Profile with a .625" gas block seat with a properly sized gas port. Made to military specifications for the M249 SAW. The Cold Hammer Forging process work hardens the steel around a rifled mandrel, which creates the lands and grooves. These barrels are chambered in 5.56 NATO, with a 1/7 Twist Rate. The barrel blanks are the correct Certified CMV material and they are also Hard Chrome lined to the M249 SAW Mil-Spec, which is almost twice as thick as the Hard Chrome on a Mil-Spec M4. The End Result is a Rifle that can be Run Hard Day after Day! Each barrel is HPT and MPI. They have Mil-Spec M4 barrel extensions, Mil-Spec Phosphate finish on the outside (under the front sight base as well). PXT .625 Lo-pro adjustable gas block and Nitride carbine lenth gas tube.
*Diamonhead VRS-T 10.25" Free-Floating Hand Guard•Sturdy, lightweight free float design, Combat
durable•Improves accuracy and provides exceptional airflow to keep barrel cooler •Flush mounted top rail giving a monolithic appearance and Uninterrupted mounting surface for optics or other accessories •Rounded Triangular Shape Improves comfort and ease of shooting while allowing for personal modification with rail accessories (rails & bumpers) Lightning fast configuration changes to Customize for specific applications•Mil. Spec. Type III anodized
6061 aluminum construction•Diamondhead® exclusive Lifetime Warranty
* SPIKE'S EXO M16 BCG. EXO Coated Carrier, Bolt, Firing pin, Gas Key with EXO Coated Exterior and Chrome Lined ID. Hardened to USGI Specifications, Mil-Spec Staked and fastend Grade 8 Hardened Fasteners.
* DiamondHead T-Brake muzzle compensator (the proprietary triangular shape creates a greater surface on the bottom of the Compensator to apply downward pressure significantly reducing muzzle climb and felt recoil.)
Each Spike's High Performance custom upper is test fired and is certified to drop on and function with any mil-spec, AR lower unit .
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