First Run Premium Bolt Carrier Group

Description

This limited run of 200 pieces was our first production of a mil-spec bolt carrier group for the AR-15/M16/M4 platform. These were offered at an introductory price from MSRP: Umbrella Corporation AR-15 Bolt Carrier Groups are our take on a premium, no snake oil, combat ready BCG. Each and every bolt is proof fired, ultrasonically cleaned, tested via magnetic particle inspection (MPI), and once certified, parkerized for corrosion protection and lube retention. In keeping with a superior product, we don’t utilize a Crane O-Ring as a crutch to increase extractor tension. Instead, our bolts are built with a mil-spec black insert coupled with a 5-coil high load extractor spring that’s compatible with all DI gas system lengths. It’s rated for 150K+ cycles to outlast your rifle barrel many times over. And of course we manufacture these to the finest standards and give an unconditional guarantee against material defect and manufacturing failure. Assembly/function check by a qualified Armorer is required.

Additional information