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usc ump conversion

  1. HK PARTS AND ACCESSORIES FOR SALE
    HK UMP Folding Stock - German - $169.95 Heckler & Koch German/US Made - Safe, Semi UMP Lower - 2 Position - $369.95 Heckler Koch/GSG9 UMP, USC Rear Stock Pin - German - $24.95 Heckler & Koch US Made Magazine Compliance Kit - UMP .45 - $19.95 HKParts.net Sear For USC, UMP & SL8, G36...
  2. WANTED TO BUY HK PARTS AND ACCESSORIES
    Looking to buy a complete USC .45 Bolt assembly or a UMP .45 Bolt assembly, preferably converted to semi already but I'd also be willing to buy an unconverted UMP .45 bolt assembly. Thanks!
  3. HK LONG GUN TALK
    New member here, just acquired my first USC, and going over the plethora of upgrade options available for the weapon. It seems the only way to do the short barrel(besides the $200 taxtheftstamp and 9 month wait) as of right now would be to remove the stock/grip combo that comes with it, and...
  4. HK ROOKIE CORNER
    New guy here from Oklahoma. Been around guns my whole life and also own quite a few. I have always loved HK weapons and especially the Hk UMP and i have recently decided i want to build one. I have done quite a bit of researching and determined i still am not quite sure that i know everything i...
  5. HK NFA TALK
    New Question, who has experience with a USC-ump conversion? Specifically the rear section of a real ump fusion/welded to the receiver of a USC with the receiver redone to look like a real ump. Pros? Cons? Same question for a stock block? Pros? Cons? So what is everyone's experience with the...
  6. HK LONG GUN TALK
    Hey gents, I had my usc turned into a ump about a year ago. It was working flawlessly untill recently it started misfiring. When I physically chamber a round. It will fire and extract and chamber a new round and all that good stuff, but the next round is always a light strike. I have switched up...
  7. HK ROOKIE CORNER
    I just received an UMP lower, and am having some issues getting out the pins to disassemble the trigger group. I am familiar with the mp5 trigger housing and how to pull that apart, but just a punch and hand strength is needed for that. Does the FBI UMP lower require a punch to get the pins...
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