The Militiaworks Crane-K prototype is a duty-grade AR-15 featuring a Carpenter 158 bolt and BRT cold hammer-forged barrel, aiming for mil-spec integration. While generally well-assembled, it required buffer tuning for reliable unsuppressed use with lower-powered .223 ammo. Production models will feature CMT handguards and chromed BCGs, with the prototype utilizing an FCD quad rail for NVG zero retention.
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