If you have a G36 series airsoft rifle and are looking for a magwell conversion to allow you to use M4/M16 magazines, this is what you're looking for.  Simply remove the retaining pin on your G36 style airsoft rifle and remove the stock G36 magwell and replace it with the Classic Army G36 Magazine Adapter and you'll be able to use almost any M16 style airsoft magazine in your gun!!

Complete upper receiver kit for ICS M4/M16 style airsoft rifles.  This kit includes everything you'll need to have a completely separate upper.  This makes a great platform for an M16 style sniper rifle or DMR!Kit Includes:Upper receiverHandguardBarrel AssemblyHop-Up UnitTight Bre Inner BarrelM120 Spring Gearbox.

The MadBull Long Version Patriot Kits for M4/M16 style AEGs designed to turn your M4 or M16 into a Patriot style airsoft pistol.  Each kit include the Handguard, Barrel, "Knock down" flash hider, Gas tube (fake), Rear sling adapter, Buttstock (Short) and more accessories required to installing the kit onto your AEG.Note:*  This is ONLY a conversion kit and DOES NOT include the AEG required for construction!!**  Battery: Mini-battery or Nun-chuk type Mini-battery may fit, based on different designs or brands of the base AEG.