Features: * Miniâ„¢ Technology Inside * Shift-On-The-Fly, 4-Position Mode Switch * Multiple, Extensive Firing Modes Including Semi/ Burst/ Full-Auto * Multiple Picatinny Rails Allow For Extra Accessories * Adjustable, Multi-Position Stock * Collapsible/ Adjustable Front Grip * Low Pressure Operation * No External Hoses; Internal Airline Operation * Additional Modes: NPPL/ PSP/ NXL/ Millennium * Universal Miniâ„¢ -Style Barrel Threads.