Discover Andro Corp Industries’ Crane Spec barrels

Precision-machined to true MK18 specifications for your AR-15 build. Each 10.3″ barrel features ideal gas port sizing for reliable cycling and minimal blowback when running suppressed, delivering military-grade performance and durability. Whether you’re building an authentic MK18 clone or upgrading your AR platform, our Crane Spec barrels ensure superior accuracy, reliability, and compatibility with your favorite suppressors.

* Our 10.3″ Crane Spec barrel 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.