M4E1 complete build. BCG, Extended CH, everything aero minus buffer and spring, trigger group and gas system. 


Upgraded Super 42 buffer and spring kit. 


Superlative Arms AGB for tuning. 


RB FRTL3 3 POSTION FRT for trigger. 


One mag.  


Runs excellent. Less than 100 rounds thru it. It is the Mlok enhanced upper but I prefer pic rails so I added them and can be removed.