Product Description Cobalt Kinetics CK-Pro 6.75\" Stripped Upper Receiver Group - CKPROURG675SBLK Cobalt Kinetics CK-Pro 6.75\" Stripped Upper Receiver Group - CKPROURG675SBLK at Classic Firearms Browse all Classic Firearms deals $775.99 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 CKPROURG675SBLK Accessories Cobalt Kinetics