Selling my PTS RM4 ERG. -Madbull 60° bucking and flat hop nub -Angel Custom 6.01mm Tightbore Also Included 4 Standard RM4 Magazine 4 PTS RM4 Magazine WTT For: CQB Style/Compact M4’s. *Preferably AEG* Willing to Trade and add cash for: P* or any HPA, with cash added from me PTW/PTW Clone, with cash added from me