HK UMP/USC Series

HK 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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  • HKP HK UMP .45 ACP Magazine Block || HKP-18171 || HKPARTS HKP HK UMP .45 ACP Magazine Block

    HKP HK UMP .45 ACP Magazine Block

    HKP HK Parts

    $9.95
    HKP HK UMP .45 ACP Magazine Block UMP mag block plug to limit the magazine capacity to 10 rounds for states with capacity restrictions. This is designed to use on the HK UMP .45 25 round magazine. Very easy to install & use. Compatible With: HK UMP ...
    HKP-18171
    $9.95
    Qty in Cart: 0
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    $9.95
    Subtotal:
    $0.00
  • Snap Hook 1" - Universal || HKP-00730 || HKPARTS Snap Hook 1" - Universal

    Snap Hook 1" - Universal

    USA

    $4.95
    Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.
    HKP-00730
    $4.95
    Qty in Cart: 0
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    $4.95
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    $0.00
  • Out Of Stock
    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug || HKP-18678 || HKPARTS

    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug

    HKP HK Parts

    $399.95
    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug New USA made .45 ACP 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16x1 LH and 3-lug tipped. The finest barrel for the UMP .45 ACP on the market. Specifications: Threaded 16x1...
    HKP-18678
    $399.95
    Qty in Cart: 0
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    $399.95
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    $0.00
  • H&K German Leather Sling - Used - Excellent || HKP-20347 || HKPARTS H&K German Leather Sling - Used - Excellent

    H&K German Leather Sling - Used - Excellent

    H&K Heckler & Koch

    $79.95
    Original  Surplus German HK Leather 2 point sling - Used- Excellent Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in excellent shape overall. Made with leather straps and steel hardware and HK sling hook. Last of...
    HKP-20347
    $79.95
    Qty in Cart: 0
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    $79.95
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    $0.00
  • 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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    $0.00
  • H&K Soft Case 42" Single Rifle Case - Black || HKP-20228 || HKPARTS H&K Soft Case 42" Single Rifle Case - Black

    H&K Soft Case 42" Single Rifle Case - Black

    H&K Heckler & Koch

    $129.95
    H&K Soft Case 42" Single Rifle Case - Black Protects 42" rifles and shorter with dense padding and durable water resistant PET shell material. Velcro wraparound handle to combine carrying handles. Large zippered storage compartment. Compatible...
    HKP-20228
    $129.95
    Qty in Cart: 0
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    $129.95
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    $0.00
  • HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH || HKP-02634 || HKPARTS HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH

    HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH

    HDPS

    $349.95
    HK UMP & USC 45 ACP 8" Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a factory HK...
    HKP-02634
    $349.95
    Qty in Cart: 0
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    $349.95
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    $0.00
  • HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws || HKP-16756 || HKPARTS HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws

    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws

    HDPS

    $229.95
    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws New latest production HDPS HK USC/UMP Stock Block type for use with all HK UMP factory or US made Folding Stocks. Each unit comes with the sling loop eyelet and thumbscrews. This is a...
    HKP-16756
    $229.95
    Qty in Cart: 0
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    $229.95
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    $0.00
  • HKP HK UMP (.40 S&W/.45 ACP/9mm) USC to UMP ACR Stock Upgrade || HKP-17252 || HKPARTS HKP HK UMP (.40 S&W/.45 ACP/9mm) USC to UMP ACR Stock Upgrade

    HKP HK UMP (.40 S&W/.45 ACP/9mm) USC to UMP ACR Stock Upgrade

    HKP HK Parts

    $459.95
    HK USC-UMP ACR Stock Adapter & ACR Stock Combo A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and stock...
    HKP-17252
    $459.95
    Qty in Cart: 0
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    $459.95
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    $0.00
  • H&K UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release || HKP-00810 || HKPARTS

    H&K UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release

    H&K Heckler & Koch

    $16.95
    UMP Paddle Magazine Release This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or required. Compatible With:  UMP .45 UMP .40 UMP 9mm Please Note: This...
    HKP-00810
    $16.95
    Qty in Cart: 0
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    $16.95
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    $0.00
  • H&K Bungee Single Point Sling - 1250mm Long || HKP-17604 || HKPARTS H&K Bungee Single Point Sling - 1250mm Long

    H&K Bungee Single Point Sling - 1250mm Long

    H&K Heckler & Koch

    $109.95
    H&K Bungee Single Point Sling - 1250mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...
    HKP-17604
    $109.95
    Qty in Cart: 0
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    $109.95
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    $0.00
  • 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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    $0.00
  • Strike Industries Link Anchor Poly Handstop || HKP-19645 || HKPARTS Strike Industries Link Anchor Poly Handstop

    Strike Industries Link Anchor Poly Handstop

    Strike Industries

    $19.95
    Strike Industries Link Anchor Poly Handstop The LINK Anchor Handstop is made from a heat-resistant polymer that allows comfortable grip in any shooting condition. It has a low profile design that allows mounting through any MLOK or KeyMod openings. The...
    HKP-19645
    $19.95
    Qty in Cart: 0
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    $19.95
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    $0.00
  • UTG Vertical Grip With LED Light & Quick Detach Mount || HKP-13184 || HKPARTS UTG Vertical Grip With LED Light & Quick Detach Mount

    UTG Vertical Grip With LED Light & Quick Detach Mount

    UTG

    $89.95
    UTG Vertical Grip With LED Light & Quick Detach Mount Features: UTG combat aluminum foregrip with integral LED flashlight Cree Q5 LED diodes Integrated reflector and light bulb to provide instant spot focus for clear object...
    HKP-13184
    $89.95
    Qty in Cart: 0
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    $89.95
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    $0.00
  • B&T Sling Swivel - Universal Picatinny Attachment || HKP-16893 || HKPARTS B&T Sling Swivel - Universal Picatinny Attachment

    B&T Sling Swivel - Universal Picatinny Attachment

    B&T Brugger & Thomet

    $29.95
    B&T Sling Swivel - Universal Picatinny Attachment   Designed for H&K snap-hooks, and mounts to any M1913 Picatinny Rail. Strong non-marring silent attachment point. Specifications: Color: Black Height max: 16.3 mm Length max: 12 mm Length...
    HKP-16893
    $29.95
    Qty in Cart: 0
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    $29.95
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    $0.00
  • HKP Single Point Quick Detach Sling - OD Green || HKP-19708 || HKPARTS HKP Single Point Quick Detach Sling - OD Green

    HKP Single Point Quick Detach Sling - OD Green

    NcSTAR

    $29.95
    HK Single Point Sling in Green - Quick Detach Specifications: Composition: Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee construction. Style: Bungee-type design for complete comfort and stability Sling loop is adjustable for length...
    HKP-19708
    $29.95
    Qty in Cart: 0
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    $29.95
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    $0.00
  • 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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    $0.00
  • HK UMP/USC/SL8/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Front Sight Roll Pin || HKP-02158 || HKPARTS

    HK UMP/USC/SL8/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Front Sight Roll Pin

    H&K Heckler & Koch

    $5.95
    Front Sight Roll Pin - HK UMP, USC, G36, & SL8    
    HKP-02158
    $5.95
    Qty in Cart: 0
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    $5.95
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    $0.00
  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer || HKP-00594 || HKPARTS

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

    H&K Heckler & Koch

    $20.95
    HK German USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear and replacement item and a must-have for spare parts. Compatible With: HK USC .45 HK UMP models
    HKP-00594
    $20.95
    Qty in Cart: 0
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    $20.95
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    $0.00
  • Magpul MS3 Sling - Gen 2 - Black || HKP-13727 || HKPARTS

    Magpul MS3 Sling - Gen 2 - Black

    Magpul

    $49.95
    Magpul MS3 Sling - Gen 2 - Black Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point Sling.
    HKP-13727
    $49.95
    Qty in Cart: 0
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    $49.95
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    $0.00
  • XS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Night Sight - Front || HKP-00808 || HKPARTS XS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Night Sight - Front

    XS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Night Sight - Front

    XS Sight Systems

    $84.95
    XS Sight Systems Trijicon - Front Night Sight Standard dot, the perfect size and fitment. This is a direct replacement for the factory sight. The night sight installs within a couple of minutes. The custom sight will enable you to get on target quicker...
    HKP-00808
    $84.95
    Qty in Cart: 0
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    $84.95
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    $0.00
  • H&K Universal Cleaning Kit || HKP-19031 || HKPARTS H&K Universal Cleaning Kit

    H&K Universal Cleaning Kit

    H&K Heckler & Koch

    $64.95
    New - Original HK German MSG90/HK91/G3 Cleaning Kit - Old Stock Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 ...
    HKP-19031
    $64.95
    Qty in Cart: 0
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    $64.95
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    $0.00
  • Out Of Stock
    H&K Cleaning Rod For HK Cleaning Brushes || HKP-01821 || HKPARTS H&K Cleaning Rod For HK Cleaning Brushes

    H&K Cleaning Rod For HK Cleaning Brushes

    H&K Heckler & Koch

    $19.95
    H&K Cleaning Rod For HK Cleaning Brushes HK chamber face brush, Receiver Brush, Flute Cleaning Brush Cleaning Rod For All US Threaded cleaning Brushes (8-32 thread type). This rod is an aluminum rod that is made to clean all HK rifles and machine...
    HKP-01821
    $19.95
    Qty in Cart: 0
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    $19.95
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    $0.00
  • Out Of Stock
    HK UMP .45 ACP Barrel - Threaded .578x28 || HKP-20872 || HKPARTS HK UMP .45 ACP Barrel - Threaded .578x28

    HK UMP .45 ACP Barrel - Threaded .578x28

    HDPS

    $349.95
    HK UMP .45 ACP Barrel - Threaded .578x28 HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 ACP barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a...
    HKP-20872
    $349.95
    Qty in Cart: 0
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    Price:
    $349.95
    Subtotal:
    $0.00
  • UTG Quick Detach Low Profile Folding Grip || HKP-15029 || HKPARTS UTG Quick Detach Low Profile Folding Grip

    UTG Quick Detach Low Profile Folding Grip

    UTG

    $49.95
    UTG Quick Detach Low Profile Folding Grip Features: Unique knurled surface for the most solid grip Smart Posi-Lock cross bolt and spring tensioned locking plate with steel insert for the most secure installation Fully adjustable quick detachable...
    HKP-15029
    $49.95
    Qty in Cart: 0
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    $49.95
    Subtotal:
    $0.00
  • 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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    $0.00
  • Out Of Stock
    H&K UMP (.45 ACP) Magazine Follower || HKP-16342 || HKPARTS H&K UMP (.45 ACP) Magazine Follower

    H&K UMP (.45 ACP) Magazine Follower

    H&K Heckler & Koch

    $14.95
    HK UMP .45 Magazine Follower New HK German factory UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines- both US or German
    HKP-16342
    $14.95
    Qty in Cart: 0
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    $14.95
    Subtotal:
    $0.00
  • HK MP5, 94 UMP Style Folding Stock With HK Parts Stock Adapter || HKP-20215 || HKPARTS HK MP5, 94 UMP Style Folding Stock With HK Parts Stock Adapter

    HK MP5, 94 UMP Style Folding Stock With HK Parts Stock Adapter

    USA

    $249.95
    HK MP5, 94 UMP Style Folding Stock With HK Parts Stock Adapter New US UMP style folding stock assembled with our own HK Parts stock adapter. Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling...
    HKP-20215
    $249.95
    Qty in Cart: 0
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    $249.95
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    $0.00
  • H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Floor Plate || HKP-16493 || HKPARTS H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Floor Plate

    H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Floor Plate

    H&K Heckler & Koch

    $9.95
    HK German UMP Floorplate For All UMP Magazines  Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces.
    HKP-16493
    $9.95
    Qty in Cart: 0
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    $9.95
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    $0.00
  • 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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    $0.00
  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) Front Sight || HKP-00254 || HKPARTS H&K UMP/USC (.40 S&W/.45 ACP/9mm) Front Sight

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

    H&K Heckler & Koch

    $14.95
    New HK German Factory USC/UMP Front Sight This is a common wear or breakage part. This part is easy to swap out by just knocking out the roll pin, replacing it, and then re-inserting the roll pin. This is a common wear or breakage part. Compatible with...
    HKP-00254
    $14.95
    Qty in Cart: 0
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    $14.95
    Subtotal:
    $0.00
  • HDPS HK USC (.45 ACP) Faux Sound Suppressor || HKP-02369 || HKPARTS HDPS HK USC (.45 ACP) Faux Sound Suppressor

    HDPS HK USC (.45 ACP) Faux Sound Suppressor

    HDPS

    $180.99
    HDPS HK USC (.45 ACP) Faux Sound Suppressor New second-gen, latest production HDPS Faux Sound Suppressor for the HK USC (Kit includes the Faux Sound Suppressor, lower rail, and screws) This integral one-piece design is milled from a solid...
    HKP-02369
    $180.99
    Qty in Cart: 0
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    Price:
    $180.99
    Subtotal:
    $0.00
  • HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH || HKP-19514 || HKPARTS HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HKP HK Parts

    $19.95
    HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must have item to protect your threaded barrels & exposed...
    HKP-19514
    $19.95
    Qty in Cart: 0
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    $19.95
    Subtotal:
    $0.00
  • Out Of Stock
    MP5 Brush Combo - All Calibers || HKP-16680 || HKPARTS MP5 Brush Combo - All Calibers

    MP5 Brush Combo - All Calibers

    HK Parts, Heckler & Koch

    $44.95
    HK German/USA Brush Set Combo All the HK custom brushes you will need to clean your barrel, chamber, chamber face, receiver, magwell, and magazines. These are the brushes you will need to properly clean and maintain your MP5. This will work with all MP5...
    HKP-16680
    $44.95
    Qty in Cart: 0
    Quantity:
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    $44.95
    Subtotal:
    $0.00
  • On Sale
    HK UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail - BLEMISHED || HKP-00598-B || HKPARTS

    HK UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail - BLEMISHED

    USA

    Now: $12.95
    Was: $24.95
    HK UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail - BLEMISHED AFTERMARKET. MISSING HARDWARE. DOES NOT INCLUDE ALLEN WRENCH. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART...
    HKP-00598-B
    Now: $12.95
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $12.95
    Was: $24.95
    Subtotal:
    $0.00
  • HKP Single Point Sling - Quick Detach - Tan || HKP-19766 || HKPARTS HKP Single Point Sling - Quick Detach -  Tan

    HKP Single Point Sling - Quick Detach - Tan

    NcSTAR

    $29.95
    HKP Single Point Sling in Tan - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...
    HKP-19766
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
    $0.00
  • Trijicon RMR/SRO Low Picatinny Rail Mount || HKP-20335 || HKPARTS Trijicon RMR/SRO Low Picatinny Rail Mount

    Trijicon RMR/SRO Low Picatinny Rail Mount

    Trijicon

    $94.95
    Trijicon Low Picatinny Rail Mount for RMR/SRO - RM33 Low Picatinny rail mount for RMR/SRO. Includes: Mount Optic mounting screws Distance From Top of Mounting Rail to Optical Axis: RMR: 0.768" SRO: 1.009" Slimline mounts, fits Picatinny rail
    HKP-20335
    $94.95
    Qty in Cart: 0
    Quantity:
    Price:
    $94.95
    Subtotal:
    $0.00
  • Total: 0 items / $0.00

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