V-Tac Valken Battle Machine Rifles AEG TTC 365 FPS Spring (With 0.20 gram precision BB), Stainless Steel 6mm Oil Less Bushings, Anodized Aluminum Type 0 Cylinder, Full Metal Double O-ring Cylinder Head Anodized Aluminum 6.05 Inner Barrel 363mm, Removable Fuse Block, Mini Type Tamyia Connectors, HDP (High Density Polymer) Receiver "Matte Black", HDP (High Density Polymer) Carbine RIS 7.0" , HDP (High Density Polymer) Ergonomic Grip Metal Fixed "A Frame" Front Sight, Metal 2 Piece Outer Barrel 14mm CCW "Left Hand" Thread (CQB Length), Metal Mil-Spec Buffer Tube , Metal Mag Catch, Metal Upper Receiver Threads