The HK416 utilizes a barrel produced by Heckler & Koch’s well known cold hammer forging process; further more bettering dependability, company life, and operator security for the duration of obstructed bore https://kkgelblaster.com/collections/best-sale/products/kkgelblaster-tiangong-m4a1-with-blowback_d0a9ef02?data_from=index_index