New HK Parts -UMP Safe, Semi FBI (0,1) Lower
Each lower comes complete with 2 position settings (S, F) and all the internals. This item is ideal for the USC to UMP conversion or to keep as a spare.
Compatible With:
- UMP .45
- UMP .40
- UMP 9mm
- USC conversions (NFA rules apply)
Please Note: DO NOT DRY FIRE OUTSIDE OF THE UMP. DAMAGE WILL OCCUR AND IS NOT COVERED BY WARRANTY!
