HKP HK Parts
HKP UMP Parts Kit - .45 ACP
- SKU:
- HKP-21433
- Condition:
- New
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 5 - 9 | and get 2% off |
| Buy 10 or above | and get 3% off |
Description
HKP UMP Parts Kit - .45 ACP
HK Parts brings a complete UMP Parts kit that includes everything you require to complete any stripped receiver. Our new parts kits will have the highest quality parts for ultimate reliability. Guaranteed to be the most cost-effective way to get your hands on a complete UMP when paired up with the new DEFGUNZ DEF9 UMP receivers.
Click this link to complete your build with a DEFGUNZ DEF9 receiver.
Upgrades:
- Steel cocking handle to prevent breakage.
- Polished and redesinged barrel chamber to allow you to utilize reloaded ammunition.
- Redesigned and polished feed ramp to make chambering a round smooth and flawless.
- Proprietary face front polish on the bolt carrier.
- 5/8 x 24 threaded barrel
Please Note: DO NOT DRY FIRE THE UMP LOWER OUTSIDE OF THE UMP. DAMAGE WILL OCCUR AND IS NOT COVERED BY WARRANTY!
3 Reviews
-
Good but
Good overall. 3 issues. 1. Barrel thread pattern, 2. no rails, 3. Most parts are not HK. All that being said, cheapest way to get into the ump sytem.
-
I’m fine with 5/8-24 thread. Just fix the sear.
Installation was pretty easy. The only issue I’ve had is the trigger would not reset after every couple of rounds. At one point, I had to manually reset the trigger after every shot. I looked it up in HKPro forums and it turned out that replacing it with the OEM German polymer sear and sear spring work best! No issues after that!
-
Cool kit, easy and fun to build
The parts kit is packed well and all the parts look good. There are no instructions, but it's such a simple build that if you need instructions, this probably isn't for you. The one annoying thing, which is why I knocked one star off, is the barrel. It is threaded 5/8-24RH, not M16-1LH. It would have been nice to have the flange for HK devices, but I knew that wasn't included from the pics. It appears that every threaded .45 UMP barrel HKP sells is M16-1LH, so it makes no sense to have a 5/8-24 barrel in this kit.
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