This is an original Vietnam era USGI XM3 bipod with nylon case for the M16 or AR15 rifle. It features all metal construction and is designed to clamp onto the barrel, it is marked "19204-8448457 MFR. 26767" on one of the legs. The nylon carrying pouch is marked "CASE BIPOD M3-12002974" Overall condition is good with typical wear associated with military surplus field gear. Buy online today!