Middle Aged Gamer: Umarex UMP 45 DX GBB V2 Review
OptimusPrime
10 Feb 2024
A comprehensive take by the Middle Aged Gamer on the Umarex UMP 45 DX GBB SMG V2... "We take a look at the Umarex UMP-45 DX V2 GBB. This features the lightened bolt carrier and reinforced lower, and a great recoil impulse. A huge upgrade over the older V1 design."