Features Lightweight polymer construction with metal alloy internals Unfolds with a single motion, making deployment rapid and easy Converts your GLOCK 17 into a PDW carbine Top 1913 / 20mm RIS space for mounting optics, lights, lasers, or other accessories Includes convenient carry handle that doubles as a basic iron sight Manufacturer: Aegis Custom Specifications: Dimensions (Collapsed / Unfolded): Approx. 260mm x 155mm / 490mm x 200mmWeight: Approx. 690gCompatibility: Gen3 Only - Elite Force, UMAREX GLOCK 17 Series and other GBB Pistols w/ VFC Blowback System | SAI BLU, ISSC M22, Lonewolf, ZEV, G&P Custom, P80 and other GBB Pistols w/ WE-Tech Gas Blowback SystemNot Compatible: KWC / WinGunPackage Includes: Carbine Kit, Replacement Base Plates, ManualMaterial: Polymer, Metal AlloyNOTE: Requires a GLOCK 17 / 18 Gas Blowback pistol to function