Elite Force HK UMP GBB Airsoft Gun 5.1 Add a SIG red dot

Add a SIG red dot sight to your SIG airsoft pistol for the ultimate combination of quality and accuracy

The Acetech Raider Tracer Unit (Blaster-M Inside) is for use on airsoft guns that have a 14mm threaded (for use on 14mm CCW or 11mm CW w/included adapter) barrel

This SSS model does have the programmable three round burst and pre-cocking function (SSS is the advanced version - we recommend

split gearbox (8mm bushings)

Elite Force HK UMP GBB Airsoft Gun 5.1 Add a SIG red dotThe HK UMP, an iconic submachine gun used by the world's elite government and law enforcement agencies. What's it stand for? Well, besides freedom, UMP stands for Universal Machine Pistol and is universally awesome when it comes to close quarter battle. Naturally, we went ahead and licensed several models for airsoft, including this exquisite gas blowback version. Built from the ground up with first rate parts & materials, the HK UMP GBB is part of