A quick look at these Gas Blowback airsoft Steyr AUGs made by GHK Airsoft and they are available right now at Airsoft Megastore... "Full-length power in a short-barreled package. The GHK AUG GBBR puts realism first with a polymer constructions, full-metal barrel and parts, hard-hitting gas blowback action, and real-steel accurate 30-round capacity. Available in both the classic A1 model, or the tactical picatinny-railed A3 model, the GHK AUG is as close to real as you can get.

Check out both GHK AUG Rifles now:

• AUG A1
• AUG A3

Features:

• Heavy duty polymer body for a light and comfortable weight
• Bullpup configuration allows for a longer barrel which improves maneuverability and reduces weight without sacrificing muzzle velocity or accuracy
• Semi/full-auto firing with a two stage trigger which negates the need for a selector switch
• Features a fold down forward vertical grip
• Fully integrated metal 1.5x optic sight along with open back-up iron sights
• Bolt locks after the final round for added realism
• Full length 20-inch barrel in a carbine sized rifle
• Ambidextrous safety, fire controls, and a non-reciprocating charging handle allows for both right and left handed shooters
• Mount for a single, 2-point, and 3-point tactical sling is already installed
• 30 round gas magazine for realistic capacity
• Reinforced gas blowback system delivers strong feedback"