Available at Airsoft Atlanta right now is the Vulture 1911 Green Gas Blowback Pistol from ICS Airsoft... "The ICS Vulture 1911 Green Gas Pistol is an awesome ICS airsoft gun. Full metal slide and high quality lower polymer body.  Full gas blowback function, solid feel, and extremely well built. The new ICS gas pistols are impressive and a blast to shoot.  Uses standard green gas cans or propane adapters to power.

Includes 14mm CCW metal threaded adapter to attach tracer units, flash hiders, suppressors, etc.

300 FPS w/.20g BBs (velocity is estimate)

Magazine holds 15 rounds."