556 10.3 INCH FSB CRANE SPEC PUA

$349.00$449.00

ACI-15 556 Crane Spec Upper – 10.3 MK18 PARTIAL UPPER ASSEMBLY Our 10.3″ ACI-15 556 Crane Spec Upper (Partial) 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 … Continue reading 556 10.3 INCH FSB CRANE SPEC PUA

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