JimGong works Sig 551 / 553 Comes with full metal upper, outer barrel, long polymer grip, and the 6 mags pictured. Gun shoots strong at 350 fps with .2s at 15 RPS. Comes with PEQ2 battery box Will consider trades for HPA stuff (regs, engines, tanks) I have ALOT of stuff that I could throw in on my end for HPA trades.