20” SAK barrel (7791362) continues to be Great with light put on; Aggressive muzzle brake. The receiver can be a TRW receiver with proper TRW bolt assembly. Semi-auto perform functions flawlessly. As stated in advance of this rifle is totally housed inside a Troy Industries chassis. L3 EOTech red dot https://miloaukyk.ssnblog.com/26202047/top-ebr-chassis-for-sale-secrets