The Spike’s Tactical Complete Upper Receiver was built to military specifications and was intended for law enforcement use. Spike’s has decided to offer this high quality, cost effective product to everyone to allow shooters of all budgets to have access to a quality upper.
This low cost upper has a 16” barrel that is chambered in 5.56x45mm. The barrel is ported for a carbine length gas system and has a 1:7” twist. This twist rate is optimized for the heavier .223/5.56mm projectiles. The barrel has a standard M4 profile with the M203 cut-out.
At the front of the barrel, you will find a standard A1 style muzzle device. This muzzle device functions well as both a flash suppressor and a compensator. The muzzle device has vents on the top section, with a solid bottom section. This allows the gases to escape out of the top of the muzzle device, which helps to push the muzzle down, thereby preventing muzzle rise.
This upper has a F-marked A@ Front sight base. The gas seat has a diameter of 0.750”.
This upper comes complete with complete bolt carrier group, as well as a charging handle.
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