eHobby Asia announce that they have in stock the S&T ST-57 AEG which is their take of the AR-57 for the airsoft market... "The AR-57, also known as the AR Five-seven, is an upper receiver for the AR-15/M16 rifle lower receiver, firing FN 5.7×28mm rounds from standard FN P90 magazines. The AR-57 PDW Upper is a new design on an AR15/M16 platform, blending the AR15/M16 lower with a lightweight, monolithic upper receiver system chambered in F N 5.7×28mm. This model is also sold as a complete rifle, supplied with four 50-round P90 magazines.

• 1/1 Replica of SR-25 Electric Powered Airsoft AEG
• Featuring both SEMI & FULLY Automatic Shooting Mode
• Surprisingly, this stock AEG shoot out 450FPS muzzle power
• One Piece CNC Made Upper Receiver & Rail System handguard
• 300mm Full Metal Outer Barrel With 45mm Flash hider
• Steel Retractable Stock
• Use 57 rounds Loading Capacity P90 Type AEG Magazine
• Adjustable Rear and Front Flip-up Sight

• Able to store PEQ-15 Type (8.4V Ni-Mh 1100mAh) Battery in PEQ-15 battery case
• 8mm Bearing Bushing Gearbox
• Full Steel Teeth Piston & Metal Spring Guide
• Adjustable Hop-up System
• Sling mount can be installed with any single, 2- or 3- point tactical sling