WTS my heavily upgraded TIPPMANN M4 just recently tuned by (ADVANCED AIRSOFT)i can provide videos on the mod he did and shooting videos. New upper receiver Trigger mod(short trigger pull) G&p 10.75 inch mots rail Ra tech 6.01 363mm tb Maple leaf hybrid bucking 70 deg 6mm tdc hop up Eed Dwell screw(secondary fps adjust screw) Mfr gen 2 Heavy bolt (heavy recoil) Comes with 2 tippman co2 mags,some tippman basic parts with extra velocity valve and amped micro line,and magpul ctr stock.and i still have the original rails if you want.. Spend a lot of money on this build so im just trying to get all the money back i spent on this build. $650 shipped For trade im might interested on a redline n7 milsim editon,with a regulator and line. Ares amoeba honey badger aeg + cash Dsg builds Krytac lmg + Cash Paypal only.+ fees Pm me if you have questions.thanks