Product Description Cobalt Kinetics CKRCB6556 RCB-6 5.56x45mm NATO Rifle Muzzle Device Cobalt Kinetics CKRCB6556 RCB-6 5.56x45mm NATO Rifle Muzzle Device at Classic Firearms Browse all Classic Firearms deals $104.76 In Stock at Classic Firearms Buy Now at Classic Firearms Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Cobalt Kinetics MPN CKRCB6556 Accessories Cobalt Kinetics