Umarex Gas Blowback H&K UMP45 GBB SMG w/shooting problems Airsoft GBBR

Description

Umarex H&K UMP45 SMG w/shooting problems Airsoft.
Umarex H&K licensed Gas Blowback UMP45.
Has issues where the bb will travel far upward while shooting and renders the rifle inaccurate.
Due to this problem, the smg which usually sells for around 0, will be sold for less.
Other than the inaccuracy problem, which is likely due to the bucking or hop up chamber, the rifle functions perfectly well. Cycles, the bolt locks back on the last round, and can make it through a full mag on a full auto mag dump.