HK UMP/USC Triggers / Packs / Housings

HK UMP/USC Triggers / Packs / Housings

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  • Out Of Stock
    HKP H&K UMP (.40 S&W/.45 ACP/9mm) Safe/Semi Lower - 2 Position || HKP-00590 || HKPARTS HKP H&K UMP (.40 S&W/.45 ACP/9mm) Safe/Semi Lower - 2 Position

    HKP H&K UMP (.40 S&W/.45 ACP/9mm) Safe/Semi Lower - 2 Position

    HKP HK Parts

    $495.99
    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...
    HKP-00590
    $495.99
    Qty in Cart: 0
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    $495.99
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  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever || HKP-00263 || HKPARTS H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever

    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever

    H&K Heckler & Koch

    $39.95
    HK German UMP & USC Ejector Lever - German New HK German OEM part. Each unit fits all calibers of UMP & USC firearms. A great spare to have on hand as they are prone to shearing off with use and must be replaced. Compatible With: UMP .45 UMP ...
    HKP-00263
    $39.95
    Qty in Cart: 0
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    $39.95
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  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Axle || HKP-01893 || HKPARTS

    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Axle

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Lower Axle - German 3 X lower axle pins are used for each trigger group or lower all pins are the same size, except the mag release axle on the USC model. 
    HKP-01893
    $9.95
    Qty in Cart: 0
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    $9.95
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  • Out Of Stock
    HKP HK UMP 2 Position Lower Grip Frame - FDE || HKP-19384 || HKPARTS HKP HK UMP 2 Position Lower Grip Frame - FDE

    HKP HK UMP 2 Position Lower Grip Frame - FDE

    HKP HK Parts

    $149.95
    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. Compatible With: UMP .45 UMP .40 UMP 9mm USC conversions (NFA...
    HKP-19384
    $149.95
    Qty in Cart: 0
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    $149.95
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  • HKP HK UMP, G36 Selector Lever || HKP-20180 || HKPARTS HKP HK UMP, G36 Selector Lever

    HKP HK UMP, G36 Selector Lever

    HKP HK Parts

    $8.95
    HK UMP & G36 Left Side Safety Selector Lever With Axle - Replacement selector for HK PARTS TRIGGER GROUP HK Parts selector lever for the left side of our own 2 position FBI U.S housing for the UMP pictogram lowers. Compatible With: U.S FBI 2...
    HKP-20180
    $8.95
    Qty in Cart: 0
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    $8.95
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  • H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear Spring || HKP-01866 || HKPARTS

    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear Spring

    H&K Heckler & Koch

    $8.95
    HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.  
    HKP-01866
    $8.95
    Qty in Cart: 0
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    $8.95
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  • H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear || HKP-01850 || HKPARTS

    H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear

    H&K Heckler & Koch

    $19.95
    HK Complete Sear G36, UMP, USC & SL8 Genuine German Heckler & Koch part. Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-01850
    $19.95
    Qty in Cart: 0
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    $19.95
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  • Out Of Stock
    HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear || HKP-01847 || HKPARTS HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear

    HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear

    HKP HK Parts

    $49.95
    Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...
    HKP-01847
    $49.95
    Qty in Cart: 0
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    $49.95
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  • H&K HK UMP, HK USC Lower Axle || HKP-19383 || HKPARTS

    HKP HK UMP, HK USC Lower Axle

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.
    HKP-19383
    $9.95
    Qty in Cart: 0
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    $9.95
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  • GSG9 HK G36/UMP/SL8/USC Hammer || HKP-19852 || HKPARTS GSG9 HK G36/UMP/SL8/USC Hammer

    GSG9 HK G36/UMP/SL8/USC Hammer

    GSG9

    $124.95
    G36 & HK UMP Hammer For Lower Or Trigger Group- US Made These hammers are a direct fit on the USC and SL8 platform.
    HKP-19852
    $124.95
    Qty in Cart: 0
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    $124.95
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  • On Sale
    HKP HK UMP G36 Curved Trigger || HKP-21126-M || HKPARTS HKP HK UMP G36 Curved Trigger

    HKP HK UMP G36 Curved Trigger

    HKP HK Parts

    Now: $79.95
    Was: $99.95
    HKP HK UMP & USC - Curved Trigger With our new curved trigger, you will improve the aesthetics of your firearm. Our curved trigger has spaced-out serrations at the face of the trigger for a far superior grip. Each trigger counts as one US-made...
    HKP-21126-M
    Now: $79.95
    Was: $99.95
    Qty in Cart: 0
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    Now: $79.95
    Was: $99.95
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  • Out Of Stock
    HK G36/SL8/USC/UMP Rear Sight Screw || HKP-16382 || HKPARTS

    HK G36/SL8/USC/UMP Rear Sight Screw

    H&K Heckler & Koch

    $19.95
    HK G36, SL8 & USC, UMP Rear Sight Screw Rear sight screw to retain HK G38/Sl8 & USC/UMP rear sights housings to the rear sight base. Compatible With: G36, SL8 USC, UMP
    HKP-16382
    $19.95
    Qty in Cart: 0
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    $19.95
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  • H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring || HKP-01864 || HKPARTS

    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring

    H&K Heckler & Koch

    $4.95
    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring Trigger Spring For All HK UMP & G36 Lowers
    HKP-01864
    $4.95
    Qty in Cart: 0
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    $4.95
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  • HDPS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger || HKP-02134 || HKPARTS HDPS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger

    HDPS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger

    HDPS

    $139.95
    HDPS US-Made Steel Trigger - USC & SL8 HDPS US-made triggers are ideal for meeting US 922r compliance as this counts as one of the needed parts when converting the HK USC to HK semi-auto UMP and the HK SL8 to semi-auto G36. Compatible...
    HKP-02134
    $139.95
    Qty in Cart: 0
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    $139.95
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  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) 3 Position Navy Full Lower (0,1,3) || HKP-00592 || HKPARTS H&K UMP/USC (.40 S&W/.45 ACP/9mm) 3 Position Navy Full Lower (0,1,3)

    H&K UMP/USC (.40 S&W/.45 ACP/9mm) 3 Position Navy Full Lower (0,1,3)

    H&K Heckler & Koch

    $1,249.95
    HK UMP 3 Position Navy Lower New German Heckler & Koch UMP 3 position (0, 1, full) Navy lower. Each lower comes complete with all the factory internals. These lowers are ideal for the USC to UMP conversion and to keep as a spare. Each lower is...
    HKP-00592
    $1,249.95
    Qty in Cart: 0
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    $1,249.95
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  • H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Fire || HKP-19070 || HKPARTS H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Fire

    H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Fire

    $8.95
    HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: HK UMP HK USC HK G36 HK SL8 (0,1 or S,F only)
    HKP-19070
    $8.95
    Qty in Cart: 0
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    Price:
    $8.95
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  • Out Of Stock
    HKP HK UMP 2 Position Lower Grip Frame - Black || HKP-19382 || HKPARTS HKP HK UMP 2 Position Lower Grip Frame - Black

    HKP HK UMP 2 Position Lower Grip Frame - Black

    HKP HK Parts

    $179.95
    UMP - 2 Position Lower Grip FrameNew 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...
    HKP-19382
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
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  • H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger || HKP-16495 || HKPARTS H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger

    H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger

    H&K Heckler & Koch

    $19.95
    HK UMP, USC & G36 Trigger New HK German factory trigger. A great spare or replacement part. Compatible With: HK G36 HK UMP HK USC
    HKP-16495
    $19.95
    Qty in Cart: 0
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    $19.95
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  • H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Semi || HKP-16361 || HKPARTS H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Semi

    H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Semi

    H&K Heckler & Koch

    $14.95
    HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: 0,1 or S,F only: HK UMP HK USC HK G36 HK SL8
    HKP-16361
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K Trigger Pack Housing - Semi 0,1 || HKP-02177 || HKPARTS

    H&K Trigger Pack Housing - Semi 0,1

    H&K Heckler & Koch

    $129.95
    H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...
    HKP-02177
    $129.95
    Qty in Cart: 0
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    $129.95
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  • H&K USC (.45 ACP) Lower Locking Lever Axle || HKP-16376 || HKPARTS

    H&K USC (.45 ACP) Lower Locking Lever Axle

    H&K Heckler & Koch

    $8.95
    HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowers
    HKP-16376
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • Out Of Stock
    H&K HK G36, HK UMP, HK USC, HK SL8 Lower Compression Spring || HKP-01865 || HKPARTS

    H&K HK G36, HK UMP, HK USC, HK SL8 Lower Compression Spring

    H&K Heckler & Koch

    $7.95
    HK G36, SL8, USC, & UMP Compression Spring For Index Plate - Lower  
    HKP-01865
    $7.95
    Qty in Cart: 0
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    $7.95
    Subtotal:
  • Out Of Stock
    HKP HK UMP, USC & G36, SL8 Sear || HKP-19555 || HKPARTS HKP HK UMP, USC & G36, SL8 Sear

    HKP HK UMP, USC & G36, SL8 Sear

    HKP HK Parts

    $14.95
    HK Complete Sear G36, UMP, USC, SL8 Made in the USA Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-19555
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • Out Of Stock
    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - 3 Position || HKP-01854 || HKPARTS H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - 3 Position

    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - 3 Position

    H&K Heckler & Koch

    $0.00
    HK Ratched Wheel Notched Disk For 3 Position Lowers Compatible With: HK G36 HK UMP
    HKP-01854
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
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  • Out Of Stock
    H&K USC (.45 ACP) Lower Trigger Group - Used || HKP-18947 || HKPARTS H&K USC (.45 ACP) Lower Trigger Group - Used

    H&K USC (.45 ACP) Lower Trigger Group - Used

    H&K Heckler & Koch

    $0.00
    HK German USC Lower Receiver - Complete - Used Includes all internal semi-auto stock USC trigger internals for a complete lower trigger group. Great spare for or the complete needed parts for doing a USC-UMP grease gun conversion or all German USC-UMP...
    HKP-18947
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
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  • H&K USC (.45 ACP) Incomplete Trigger Housing - Grey || HKP-16357 || HKPARTS H&K USC (.45 ACP) Incomplete Trigger Housing - Grey

    H&K USC (.45 ACP) Incomplete Trigger Housing - Grey

    H&K Heckler & Koch

    $69.95
    H&K USC .45 ACP 2 Position (0,1 Pictogram) Incomplete Trigger Housing - Grey Enhance your H&K USC .45 ACP with this high-quality incomplete trigger housing in grey. This housing is designed to provide a reliable upgrade to your USC platform,...
    HKP-16357
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • Out Of Stock
    H&K UMP (.40 S&W/.45 ACP/9mm) 4 Position Burst Lower (0,1,2,Full) || HKP-00593 || HKPARTS H&K UMP (.40 S&W/.45 ACP/9mm) 4 Position Burst Lower (0,1,2,Full)

    H&K UMP (.40 S&W/.45 ACP/9mm) 4 Position Burst Lower (0,1,2,Full)

    H&K Heckler & Koch

    $0.00
    New HK German 4 Position (0,1,2,Full) Burst LowerFits All HK UMP's. This item can be adapted for use on the USC-UMP Conversion if the F/A internals are removed & the USC (semi-auto) internals are installed. This item is a very popular item for the...
    HKP-00593
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Out Of Stock
    H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1) || HKP-17815 || HKPARTS H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1)

    H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1)

    H&K Heckler & Koch

    $0.00
    UMP Pistol Grip Stripped & Incomplete - 2 Position (0,1) Pictogram New HK German manufacture, rare and hard to find. If you have an HK USC you can use this housing with the USC lower internals for a complete USC to UMP lower assembly that you can use...
    HKP-17815
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Out Of Stock
    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Burst Lower Slide (0,1,2) || HKP-01887 || HKPARTS

    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Burst Lower Slide (0,1,2)

    H&K Heckler & Koch

    $14.95
    HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only  Compatible With: HK UMP HK G36    
    HKP-01887
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • H&K USC (.45 ACP) Incomplete Trigger Housing - Used || HKP-16479 || HKPARTS H&K USC (.45 ACP) Incomplete Trigger Housing - Used

    H&K USC (.45 ACP) Incomplete Trigger Housing - Used

    H&K Heckler & Koch

    $39.95
    H&K USC (.45 ACP) Incomplete Trigger Housing - Used Used HK German USC Lower Receiver Empty. German HK perfect for spare parts. You can choose gray or black. We have both types 1. Please be sure to make a note of which color you want when checking...
    HKP-16479
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • On Sale
    H&K USC Incomplete Trigger Housing - Used || HKP-99041 || HKPARTS H&K USC Incomplete Trigger Housing - Used

    H&K USC Incomplete Trigger Housing - Used

    H&K Heckler & Koch

    Now: $39.95
    Was: $99.95
    H&K USC Incomplete Trigger Housing - Used This is a used German HK USC lower receiver housing, sold empty. Perfect for spare parts or as a replacement component for your build. Compatible With: HK USC THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN,...
    HKP-99041
    Now: $39.95
    Was: $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $39.95
    Was: $99.95
    Subtotal:
  • On Sale
    HK UMP Index Plate HK UMP Index Plate

    HK UMP Index Plate

    USA

    Now: $4.95
    Was: $8.95
    HK UMP Index Plate US-made index plate for the HK UMP. Compatible With: HK UMP THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99124
    Now: $4.95
    Was: $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4.95
    Was: $8.95
    Subtotal:
  • On Sale
    HK UMP Index Plate Compression Spring

    HK UMP Index Plate Compression Spring

    USA

    Now: $4.95
    Was: $6.95
    HK UMP Index Plate Compression Spring Index plate compression spring for the HK UMP. Compatible With: HK UMP THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99123
    Now: $4.95
    Was: $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4.95
    Was: $6.95
    Subtotal:
  • On Sale
    HK UMP Notched Disk HK UMP Notched Disk

    HK UMP Notched Disk

    USA

    Now: $9.95
    Was: $14.95
    HK UMP Notched Disk US-made notched disk for the HK UMP. Compatible With: HK UMP THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99125
    Now: $9.95
    Was: $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.95
    Was: $14.95
    Subtotal:
  • Out Of Stock
    HK UMP/USC (.40 S&W) Extractor || HKP-02624 || HKPARTS HK UMP/USC (.40 S&W) Extractor

    HK UMP/USC (.40 S&W) Extractor

    $39.95
    New US-Made USC Or UMP .40 Extractor This part is a repair and replacement item, as these are prone to breakage, and it's a part that's hard to find and a great item to have on hand. Please Note: HK considers this a high wear and replacement...
    HKP-02624
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
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