20” SAK barrel (7791362) stays Great with gentle use; Intense muzzle brake. The receiver is really a TRW receiver with correct TRW bolt assembly. Semi-auto operate performs flawlessly. As mentioned prior to this rifle is absolutely housed inside a Troy Industries chassis. L3 EOTech crimson dot reticle sight with MBUS https://sageebrchassisforsale53063.blogars.com/26072815/5-tips-about-ebr-for-sale-you-can-use-today