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 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
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  • New - Universal Bore Cleaning Brush - 9mm/10mm/.40 S&W - HKP-00917 Barrel Bore Cleaning Brush - 9mm / 10mm / .40 S&W
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    Barrel Bore Cleaning Brush - 9mm / 10mm / .40 S&W

    $13.95
    Universal Bore Cleaning Brush - 9mm/10mm/.40 S&W The HK combination brush was designed exclusively to clean the HK 9mm and 10mm fluted chamber and bore with one easy stroke. This brush has brass and stainless steel bristles. 
    HKP-00917
    $13.95
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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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    $0.69
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  • New - H&K MP5/MP5K 3-Lug Blank Firing Adapter - HKP-01990 HK MP5, MP5K 3-Lug Blank Firing Adapter
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    HK MP5, MP5K 3-Lug Blank Firing Adapter

    H&K Heckler & Koch

    $169.95
    H&K MP5/MP5K 3-Lug Blank Firing Adapter This part attaches to the end of the 3-lug barrel tip and will allow the use of 9mm blanks for training. A brand new HK German manufactured part. Specifications: 3-Lug Blank Firing Adapter Compatible...
    HKP-01990
    $169.95
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  • New - Full AutoTrigger Pack Elbow Spring W/ Roller - HKP-02438 HK MP5, HK91, G3 Elbow Spring with Roller - Trigger Pack - Full Auto
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    HK MP5, HK91, G3 Elbow Spring with Roller - Trigger Pack - Full Auto

    H&K Heckler & Koch

    $44.95
    Full AutoTrigger Pack Elbow Spring W/ Roller This item is a factory HK German replacement part.
    HKP-02438
    $44.95
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  • New - H&K HK MR556 A4 Ambi Charging Handle - HKP-21933 HK MR556 A4 Charging Handle - Ambi
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    HK MR556 A4 Charging Handle - Ambi

    H&K Heckler & Koch

    $199.95
    H&K HK MR556 A4 Ambi Charging Handle Upgrade your MR556 or HK416-style rifle with this factory H&K ambidextrous charging handle, designed for smooth, reliable operation from either side. Built to Heckler & Koch’s exacting standards,...
    HKP-21933
    $199.95
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  • On Sale
    New - HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special - HKP-99117 HK MP5 Locking Piece - 100 Degree - Sold As Is - Gunsmith Special
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    HK MP5 Locking Piece - 100 Degree - Sold As Is - Gunsmith Special

    USA

    Now: $9.95
    Was: $33.95
    HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special This US-made MP5 100 degree locking piece is the correct locking piece for all HK MP5-style forearms. This locking piece has also now become the factory correct locking piece for all HK...
    HKP-99117
    Now: $9.95
    Was: $33.95
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  • New - MKE HK MP5/AP5 4 Position Pictogram (0,1,3,F) Semi-Auto Trigger Group - HKP-21817 HK MP5, AP5 Trigger Group - Semi Auto - 4 Position Pictogram 013F
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    HK MP5, AP5 Trigger Group - Semi Auto - 4 Position Pictogram 013F

    MKE

    $439.95
    MKE HK MP5/AP5 4 Position Pictogram (0,1,3,F) Semi-Auto Trigger Group This 0,1 semi-auto trigger group features the 4 position pictogram 0,1,3,F. Designed with a push pin set up, it serves as a perfect upgrade for the HK MP5 or the Century Arms AP5...
    HKP-21817
    $439.95
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  • New - B&T NATO A2 to HUB Suppressor Adapter - HKP-21723 B&T NATO A2 to HUB Suppressor Adapter
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    B&T NATO A2 to HUB Suppressor Adapter

    B&T Brugger & Thomet

    $250.00
    B&T NATO A2 to HUB Suppressor Adapter Stainless steel adapter that connects NATO-spec A2 flash hiders to any 1.375x24 TPI HUB-compatible suppressor. Features a gate lock and ratchet system for secure, repeatable mounting—used by NATO forces...
    HKP-21723
    $250.00
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  • On Sale
    New - Picatinny to Harris Bipod Adapter - Universal - HKP-21528 Harris Bipod Adapter - Picatinny - US
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    Harris Bipod Adapter - Picatinny - US

    HKP HK Parts

    Now: $9.95
    Was: $33.95
    Harris Bipod Adapter  This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-mounting bipods. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and...
    HKP-21528
    Now: $9.95
    Was: $33.95
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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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