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$149.95
UMP – 2 Position Lower Grip Frame
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 conversions (NFA rules apply)
https://hkparts.net/product/2-posit...=773c0e2c5d&_thumbnail_id=150833&preview=true
