Twenty” SAK barrel (7791362) continues to be Superb with light-weight wear; Intense muzzle brake. The receiver can be a TRW receiver with correct TRW bolt assembly. Semi-automobile function performs flawlessly. As pointed out just before this rifle is absolutely housed inside a Troy Industries chassis. L3 EOTech pink dot reticle https://romainh937bmw3.vigilwiki.com/user