RedWolf Airsoft just recently posted that they now have the Magpul PTS Experimental M4 Carbine... "Magpul have brought out a complete airsoft gun, in the form of this PTS M4. As the name suggests, it features their superb PTS stock, grip, Magpul metal body, PTS Ranger and an Enhanced Trigger Guard (folding version). It's a nicely finished AEG, with excellent detailing on the metal body. 

A 9.6v 1100 mAh custom battery (A-BATT036) can be stored in the handguard and performance is around the 300 mark. The outer barrel is an one-piece item, made of metal, also, the M4 carrying handle is made of metal too, It's a sturdy gun inside and out, with a nice 7mm reinforced gearbox within.

• Product Brand: Magpul
• Product Code: MP-AEG-M4PTS    
  
• Hop-Up: ADJUSTABLE
• Weight: 3,000 g    
  
• Length: 740.0 mm
• Capacity: 130 rds    
  
• Power: 300.0 fps
• Battery Size 9.6v: 1100mAh custom
• Shooting Mode: Semi, Full Auto
• Price: (USD) $375.00"