CRANE SPEC UPPERS

Crane Spec AR-15 Uppers – Authentic MK18-Style 10.3″ Uppers

Built to Crane Specifications

Upgrade your build with Andro Corp Industries’ Crane Spec AR-15 uppers, inspired by the legendary MK18 platform. Engineered for reliability, suppressed performance, and true-to-spec construction—perfect for enthusiasts seeking military-grade quality.

 

* Our 10.3″ Crane Spec complete AR15 uppers feature 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.

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