Very rare factory German Heckler & Koch HK53 Full Auto BCG with recoil rod. These bolt carrier groups came from Police Trade in HK53 and are in good condition. These have the #15 locking piece. They will have signs of use such as wear, dings, scratches, and finish wear, but will be ready for your HK53 or clone! Pictured item is representative of what you will receive. Sold as is no returns/exchanges. All Sales final!