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556 10.3 INCH M4 FSB CRANE SPEC

$465.00

SKU: U556103CSM4F Categories: , , 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 (.070)

– F-Mark Front Site Post

– Square front Site

– Sling Swivel

– 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

U556103CSM4F

ALL NFA RULES APPLY

It is the customer’s responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16″. Federal NFA regulations are applicable to this item.

Handling firearms or firearms parts can expose you to lead, and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm.

For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Additional information

ADD BCG & CHARGING HANDLE

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