Twenty” SAK barrel (7791362) remains Excellent with light-weight use; Intense muzzle brake. The receiver is usually a TRW receiver with suitable TRW bolt assembly. Semi-car operate works flawlessly. As outlined before this rifle is fully housed in a Troy Industries chassis. L3 EOTech purple dot reticle sight with MBUS flip https://rafaeldarhx.bcbloggers.com/26225194/the-ultimate-guide-to-ebr-for-sale