Aero Precision 10" 300 blackout, Atlas R-one mlock rail, Aero BCG.             PSA MOE EPT lower with a SBm4 brace and tube with H2 buffer. 
Holosun HS403r, MBUS irons, small finger stop. 
Lower I just assembled to sell, its unfired. The upper has less than 100rnds threw it.