UMP – 2 Position Lower Grip Frame – FDE
New UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers using UMP magazines.
-UMP .45
-UMP .40
-UMP 9mm
-USC conversion