UMP / USC Series

UMP / USC Series

Choose from an expansive selection of HK UMP and USC parts, such as HK UMP Barrels and HK USC Stocks, crafted for those who value reliability and performance. Upgrade with HK USC Handguards and HK UMP Triggers, and experience the difference in quality and craftsmanship.

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  • Out Of Stock
    New - H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring - HKP-01864

    HK UMP, G36 Trigger Spring

    H&K Heckler & Koch

    $6.95
    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
    $6.95
    Qty in Cart: 0
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    $6.95
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  • New - H&K 30 Round HK UMP .40 Magazine - LEO Marked - HKP-20664 HK UMP Magazine - .40 S&W - 30 Round - LEO Marked

    HK UMP Magazine - .40 S&W - 30 Round - LEO Marked

    H&K Heckler & Koch

    $99.95
    30 Round Magazine - LEO Marked - New - UMP .40 S/W This magazine will fit all HK UMP .40 Caliber UMP's as well as the USC-UMP .40 caliber conversions. New factory fresh production HK magazine. The...
    HKP-20664
    $99.95
    Qty in Cart: 0
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    $99.95
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  • On Sale
    New - HKP .45 ACP 5 Prong Flash Suppressor - Threaded 16x1 LH - HKP-02637 HK USP, HK45, UMP Flash Hider - .45 ACP - 5 Prong - Threaded 16x1 LH

    HK USP, HK45, UMP Flash Hider - .45 ACP - 5 Prong - Threaded 16x1 LH

    HKP HK Parts

    Now: $63.72
    Was: $99.95
    HK USP, UMP, HK45 Flash Hider - .45 ACP - 5 Prong - Threaded 16x1 LH 5 prong flash hider for .45 ACP firearms featuring a 16x1 LH threaded barrel.  No timing/shims necessary. Compatible With the...
    HKP-02637
    Now: $63.72
    Was: $99.95
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    Now: $63.72
    Was: $99.95
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  • HK UMP Magazine Release - Enhanced - Billeted HK UMP Magazine Release - Enhanced - Billeted

    HK UMP Magazine Release - Enhanced - Billeted

    HKP HK Parts

    $34.95
    HKP HK Parts Enhanced Paddle Magazine Release for HK UMP 9mm, .40 S&W, .45 ACP This is a very common replacement part as they are fairly easy to break on the UMP lower. With this new mag release,...
    HKP-18758
    $34.95
    Qty in Cart: 0
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    $34.95
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  • New - H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Selector Lever (0,1,F) - HKP-01889

    HK UMP, G36 Safety Selector Lever 0,1,F - 9mm, .40 S&W, .45 ACP, 5.56 / .223

    H&K Heckler & Koch

    $19.95
    HK UMP & G36 Left Side Safety Selector Lever With Axle - 3 Position Navy Compatible With All Navy 3 Position Lowers (0,1,F): HK UMP HK G36
    HKP-01889
    $19.95
    Qty in Cart: 0
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  • New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) QD Sling Pin for Stock Block B - HKP-18776 HK UMP, USC Sling Pin, Stock Block B - QD

    HK UMP, USC Sling Pin, Stock Block B - QD

    HKP HK Parts

    $74.95
    Quick Detach Sling Pin for Stock Block B - USC, UMP This Ambidextrous QD Sling Pin allows you to replace your Push Pin Style or Eyelet Sling Loop -  Style Pin in your Stock Block B for use of a QD...
    HKP-18776
    $74.95
    Qty in Cart: 0
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  • Out Of Stock
    New - H&K G36/UMP (.40 S&W/.45 ACP/9mm/5.56/.223) F/A Hammer - HKP-02308

    HK G36, UMP Hammer - Full Auto

    H&K Heckler & Koch

    $49.95
    G36 & HK UMP Hammer For Lower Or Trigger Group 
    HKP-02308
    $49.95
    Qty in Cart: 0
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    $49.95
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  • HK UMP, USC Recoil Rod Spring - Enhanced

    HK UMP, USC Recoil Rod Spring - Enhanced

    HKP HK Parts

    $11.95
    HKP Enhanced Recoil Rod Spring for HK UMP, USC Upgrade or replace your UMP recoil system with HKP's enhanced heavy recoil rod spring from HK Parts. This spring is approximately 10 percent stronger...
    HKP-22507
    $11.95
    Qty in Cart: 0
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    $11.95
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  • Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S

    Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S

    Frost Defense

    $239.95
    Aimpoint T-2, H-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T2/H2 red dot sights. This patent-pending mount system provides robust glare...
    HKP-22338-M
    $239.95
    Qty in Cart: 0
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    $239.95
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  • New - B&T Multitasker Twist - Pocket Multi-Tool - HKP-21747 Multitasker Twist - Pocket Multi-Tool

    Multitasker Twist - Pocket Multi-Tool

    B&T Brugger & Thomet

    $69.00
    B&T Multitasker Twist Pen-shaped multitool for weapon maintenance and optics/sight adjustments. CNC machined from 6063 T-6 aluminum, Type III Mil-spec Anodized. Features:
    HKP-21747
    $69.00
    Qty in Cart: 0
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    $69.00
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  • New - Michaels Machines USC to UMP Stock Block B w/Thumbscrew - HKP-20722 HK USC to UMP Stock Block B with Thumb Screw

    HK USC to UMP Stock Block B with Thumb Screw

    Michaels Machines

    $249.95
    Michaels Machines USC to UMP Stock Block B w/Thumbscrew For use with all HK UMP factory or US made folding stocks. Each unit comes with a thumbscrew on one end and a slotted section on the other end...
    HKP-20722
    $249.95
    Qty in Cart: 0
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    $249.95
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