New products! you can drive over these SR5's and they will still work!!!

1.2mm Stamping Receiver 
Steel Welding Receiver
Compatible to Real Gun Stock
Steel Stamping Front Sight Blade
Real Gun Compatible Q.D. Pin
Real Gun Compatible Steel Embedded Second Injection Cocking Lever
Cocking Lever Support Design as a Real Gun
Q.D. Type Stock Design
Stamping Marking & series number
Rivet Sling Base as a Real Gun
Plastic parts made of Nylon+Glass Fiber
260 Rounds Magazine