Features: Adjustable Hop Up Railed Frame for Mounting Lasers and Lights Full Metal FULL METAL CONSTRUCTION resemble the M1911 Government Model Gas Blow Back Pistol with Semi-Automatic Shooting Mode Innovative Hop-Up Thumb Dial located inside the gun (can see after dissemble the slide) Fully adjustable Rear Sight (Up/Down & Left/Right) Excellent Craftmanship with Textured grip and Solid Pistol Frame Equipped with 20mm lower rail for Flashlight or Laser Sight attachment