Fits the HK UMP Rifle

All Metal Blowback

Opposition movement is easier to recognize and provides a distinct tactical advantage

which is adjustable for length of pull

5 barrel and 9 free floating

Echo 1 USA Genesis Polymer Operator Combat Weapon (OCW) Airsoft AEG hider Fits the HK UMP RifleAdjust your sights with superior precision as every OCW comes with a fine tune front and rear adjustable sight. Whether your right handed or left handed, you can easily adjust your hop up unit with the OCWs ambidextrous charging handle. FPS (Feet Per Second): ~380Weight: 5. 5 lbsFeatures: Tactical AK PlatformProduct Support: 30 day limited warrantyInner Barrel Length: 363mmOverall Length: 31 34inBarrel Caliber: 6. 04mmMagazines Included: 1Magazine