UMAREX - H&K MP7 A1 Gas Blowback SMG - Black is a Gas Blowback Airsoft 6mm BB gun, based on the MP7 Submachine Gun which is used by Special Forces around the world, and is fully Trademarked by H&K for Licence Holders Umarex. The Body of the weapon is constructed from Polymer with Alloy Rails, Internals and Magazine. The weapon is a 1:1 scale version and is built with a top quality fibre reinforced Polymer Body, just like the real thing. The weapon is a Gas Powered Blowback Gun, meaning that the magazine is filled with Gas, which when fired pushes back an internal Bolt providing simulated recoil to the user. The weapon features multiple 20mm RIS / RAS Rail, with a full length top rail for attaching Sights and Scopes, as well as a left and right rail for attaching Torches and Lasers. The weapon's top rail comes fitted with removable Flip Up Ironsights which feature a low profile Pistol Sight style mode and High Profile Sight for Mask Wearers. The stock of the weapon is adjustable and locks into place, featuring four position settings allowing you to adjust it to suit situational requirements. The gun comes with a removable flash hider and thread adaptor which allows the attachment of 14mm CCW Suppressors, Silencers, and Tracer Units. The weapon features a Textured Grip and Butt Plate, preventing slippage during use and features Front and Rear, Left and Right Sling Loop Points allowing for multiple sling configurations. This gun is the perfect purchase for those who are looking for the ultimate CQB weapon, with high accuracy and satisfying kick.