The blowback version of the GR15 can be had for US$200 at Evike.com... "This is one of G&G's newest release of GR15 blow back outfitted for CQB airsoft gaming. This AEG features bungee sling ready sling mount, RAS rail system and crane stock. It is nice and heavy built very strong and durable. The GR15 Raider is equipped with a detachable back up iron sight and flat top upper ready for any optic mounting. It is basically an M4 that is made to be as compact as possible, with the reliable award G&G internal.

Specifications

• Length: 662 mm
• Weight: 2150g
• Gearbox: 8mm oilless ball bearing Gearbox
• Motor: Hi-torque Motor Long Type (25000 rpm)
• Inner Barrel: 233 mm
• Magazine: 450 Rounds
• Muzzle Velocity: 335~350 FPS with 0.2gBB
• Thread Direction: 14mm Negative.
• Manufacturer: G&G Armament

Features

• G&P High Impact Polymer Receiver.
• Flash Suppressor
• Front Sight
• Rail System
• Detachable Rear Sight
• Crane Stock
• Tactical Grip
• Hi-Cap 450R Metal Magazine
• Rear Stock Sling Swivel"