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AR15 556 10.3 INCH M4 FSB CRANE SPEC

$525.00 $449.00

10 in stock

SKU: U556103M4-1 Category: Tags: ,

Description

10.3 MK18 (Crane Spec)
Our 10.3″ Crane Spec complete upper receiver 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.
Our MK18 Crane Spec is shipped as pictured, just add your preferred silencer mount, drop in handguard and rear sight

 

– 4150 CMV Melonite

– 1/7 Twist

– M4 Feed Ramps

– Carbine Length Gas System

.750 Low Pro Gas Block

– QPQ Corrosion Resistant Finish

– M16 BCG

– Charging Handle

– A2 Flash Hider

– 1/2 x 28 Threaded Muzzle

– M4 Hand Guard

– 7075 – T6 Mil-Spec Dry Film Lubed Upper w/ T-Markings

– Forward Assist

– Ejection Port Assembly

Additional information

ADD BCG & CHARGING HANDLE

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