Description
* Our 10.3″ Crane Spec AR15 upper features the ideal gas port sizing (.070) to achieve minimal gas blowback when ran suppressed. This unit is specifically designed to be ran in conjunction with a silencer.
* We do not guarantee reliable cycling with some manufactures ammunition without the addition of a silencer.
– 4150 CMV Melonite
– 1/7 Twist
– M4 Feed Ramps
– Carbine Length Gas System (.070)
.750 Low Pro Gas Block
– QPQ Corrosion Resistant Finish
– Surefire War Comp (Fits SOCOM 5.56 Suppressors)
– 1/2 x 28 Threaded Muzzle
– Geissele 9.3″ SMR MK4 BLACK Hand Guard
– M16 Nitride BCG
– Charging Handle
– 7075 – T6 Mil-Spec Dry Film Lubed Upper w/ T-Markings
– Forward Assist
– Ejection Port Assembly
U556103SMRMK4BLKCS
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