About the BCM® KD4 Spec Complete Upper Receiver w/ QRF-12 Handguard
KD4 Upper Group with twist rate designed for 77 grain Black Hills ammunition.
Upper Group features: BCM® SS410 16" Mid Length Upper Receiver Group w/ BCM® QRF-12 Handguard, 1/7.7 Twist Ionbond Finish on barrel.
About Kyle Defoor
Kyle Defoor is a professional shooter who teaches firearms and tactics to military, law enforcement, and civilians. Specializing in pistol, carbine, urban sniper, and CQB, Kyle gained his knowledge from decorated combat service in multiple war fronts as a special operator and as one of the first and premier tactical trainers in the world. An active motorcyclist, hunter, climber, runner, and waterman he can be seen on multiple TV shows, magazines, websites, and on ranges worldwide.
Please visit Defoor Proformance Shooting
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