HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • New - H&K HK UMP/USC Rear Sight Support Roll Pin - HKP-02155
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    HK UMP, USC Sight Support Roll Pin - Rear

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Rear Sight Support Roll Pin This is the axle pin that holds the rear sight assembly to the rear sight housing of the receiver on the USC or UMP firearm.
    HKP-02155
    $9.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer - HKP-01890 HK UMP Release Lever
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    HK UMP Release Lever

    H&K Heckler & Koch

    $9.95
    HK UMP Catch Release Lever Or Trip Lever For All UMP Lowers  
    HKP-01890
    $9.95
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  • Out Of Stock
    New - H&K G3 Operators Manual - HKP-15211

    HK G3 Operators Manual

    HKP HK Parts

    $21.95
    HK G3, 91, PTR Operators Manual The G3 Operators Manual is for the Full Auto version of the HK91. Page-by-page translation of the original German Army instruction manual for the G3 family of firearms. With 120 pages and six full-color illustrations...
    HKP-15211
    $21.95
    Out Of Stock
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  • New - PTR Tactical Handguard Rail Screw - HKP-16744
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    Handguard Rail Screw - Tactical

    PTR

    $0.69
    PTR Tactical Handguard Rail Screw The 6, 4, 3 & 2 inch rail sections use these screws to attach themselves to the tactical forearm. This is the screw that is used on all the tactical forearm rails (2 inch, 3 inch, 4 inch, 6 inch). A great spare to...
    HKP-16744
    $0.69
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  • New - B&T MP5 TL-99A1 Tri-Rail Handguard - HKP-16904 HK MP5 Tri-Rail Handguard - TL-99A1
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    HK MP5 Tri-Rail Handguard - TL-99A1

    B&T Brugger & Thomet

    $234.95
    B&T Brugger and Thomet TL-99A1 Tri-Rail Handguard for HK MP5   This handguard for the MP5 has a total of three NAR-Picatinny Rails; one on each side and one on the bottom.   Specifications: Color: Black Height max: 55.8 mm Length max: 164...
    HKP-16904
    $234.95
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    $234.95
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  • HK416, MR556, HK417, MR762 Selector Lever - Ambi - Right
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    HK416, MR556, HK417, MR762 Selector Lever - Ambi - Right

    H&K Heckler & Koch

    $11.95
    Heckler & Koch HK416 Ambi Safety Selector Lever Factory HK polymer right side selector lever. Compatible With: HK416 A1/A3 HK MR556 A1 HK417 HK MR762 A1
    HKP-22309
    $11.95
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  • On Sale
    New - MKE HK MP5 Rear Sights Locking Washer - HKP-22240
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    HK MP5 Rear Sights Locking Washer

    MKE

    Now: $1.95
    Was: $2.45
    MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms
    HKP-22240
    Now: $1.95
    Was: $2.45
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  • New - Nefarious Arms HK 416/MR556 10.4" A3 Barrel - HKP-21335 HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A3
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    HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A3

    Nefarious Arms

    $594.95
    Nefarious Arms HK 416/MR556 10.4" A3 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER.  THE MARKING IS NOT VISIBLE ONCE INSTALLED.  THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS...
    HKP-21335
    $594.95
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  • New - HKP HK UMP G36 Curved Trigger - HKP-21126-M HK UMP, USC Curved Trigger
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    HK UMP, USC Curved Trigger

    HKP HK Parts

    $99.95
    HKP HK Parts HK UMP and 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...
    HKP-21126-M
    $99.95
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  • New - Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Orange - HKP-21101 HK MP5 Flat Front Sight - Gen 2 - Orange
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    HK MP5 Flat Front Sight - Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a new level of precision and visibility. With a conventional flat-tipped post and a bright orange stripe, this sight ensures quick and clear target...
    HKP-21101
    $84.95
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  • New - B&T APC 9mm, APC .45 Jet Funnel - Black - HKP-18034 B&T APC9, APC45 Jet Funnel
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    B&T APC9, APC45 Jet Funnel

    B&T Brugger & Thomet

    $75.00
    Brugger and Thomet 9mm, APC .45 Jet Funnel for B&T APC Swiss B&T manufactured Jet funnel for the APC 9mm and .45 Cal models.
    HKP-18034
    $75.00
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    $75.00
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