WGC Shop has this reasonably priced custom gun built on the G&P MOE Carbine, and further kitted it out with the Ergo Z-Rail. Priced at US$360, this is a build to order custom gun so you will need to wait a day or more before it gets shipped to you. If you're patient enough, then it can be built for you. This is available in black, dark earth, foliage greem, and olive drab colours.

G&P WGC Custom MOE Carbine with Z-Rail Black

• Magpul PTS Receiver
• Magpul MOE Stock / Grip
• Magpul PMAG
• Magpul XTM Rail Panel
• Ergo Z-Rail

• Built Material: Metal & ABS
• Gear Box: 8mm Bearing Version 2
• Motor: G&P M120 High Speed Motor
• Magazine: 120 Rounds ( 6mm )
• Length: 789-871mm
• Weight: 2655g
• Muzzle Velocity: 350-370 FPS with 0.2g BB
• Battery: 2-cell Stock Tube Type Li-Po Battery (Not Included, Mini T-Style Plug on Gun )
• Package includes: AEG, Magazine