WE XM177 Gas Blow Back Open Chamber Rifle (GBB)

Features: Latest generation of WE Gas Blowback Technology featuring an "Open Bolt" design Gas efficient with high velocity, accuracy and range. New GBB system with higher tolerance for cold magazines and weather Co2 powered magazine available. Realistic hard kick recoil blowback. Authentic XM177 Style One Piece upper receiver with integrated carry handle Retractable XM177 VN Type Stock Authentic Nylon Fiber XM177 Handguard, XM177 Stock, and VN Pistol Grip Adjustable Front and Rear Sights Working Bolt-catch Full Metal Receiver, Barrel Assembly, and Stock Tube Nylon Fiber Handguard, XM177 Stock, and Serrated XM177 Type Pistol Grip Integrated Front and rear sling swivel. Fully Automatic / Semi Automatic select fire. 100% Factory direct part support. Length: 755mm - 840mm, Adjustable Weight: 3800g Inner Barrel: 363mm Magazine Capacity: 20rd VN Style Open Bolt Magazine (Compatible with all M4 / M16 WE GBB Open Bolt Magazines) Muzzle Velocity: 410~440 FPS (Measured with 0.20g BBs and Green Gas) Thread Direction: 14mm Negative Gas Type: Green Gas, Red Gas, Propane Adapter Fire Modes: Semi / Full-Auto, Safety Package Includes: Gun, Magazine, Manual Hopup: Yes, Adjustable Manufacturer: WE-Tech FPS Range: 410-440