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 - HK417, MR762 Magazine Catch Retainer Ring - HKP-16521 HK417, MR762 Mag Catch Retainer Ring
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    HK417, MR762 Mag Catch Retainer Ring

    H&K Heckler & Koch

    $10.95
    Heckler and Koch Magazine Catch Retainer Ring for HK417 and HK MR762   Compatible With: H 417, MR762
    HKP-16521
    $10.95
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    $10.95
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  • New - H&K HK MR556/416 Bolt Carrier - HKP-02718 HK416, MR556 Bolt Carrier
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    HK416, MR556 Bolt Carrier

    H&K Heckler & Koch

    $397.95
    H&K HK MR556/416 Factory Bolt Carrier With The Newer Style Bolt Retaining Key  This is the factory one-piece carrier that has the out-of-battery disconnect and the bolt retaining latch assemblies installed to make up the HK MR556 (556...
    HKP-02718
    $397.95
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  • Out Of Stock
    New - HK G36 Backplate w/ Recoil Buffer - HKP-18538 HK G36 Backplate - Recoil Buffer - US

    HK G36 Backplate - Recoil Buffer - US

    USA

    $44.95
    HK G36 Backplate With Recoil Buffer New G36 Backplate with new G36/SL8 recoil buffer. This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix...
    HKP-18538
    $44.95
    Out Of Stock
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  • New - H&K USC/SL8 (.45 ACP/5.56/.223) Rear Sight Spring - HKP-16516 HK USC, SL8 Sight Support Spring
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    HK USC, SL8 Sight Support Spring

    H&K Heckler & Koch

    $9.95
    H&K USC/SL8 (.45 ACP/5.56/.223) Rear Sight Spring
    HKP-16516
    $9.95
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  • New - H&K MP5 40/10 Flash hider - 3-Lug - HKP-00442 HK MP5 Flash Hider - 3 Lug - .40 S&W, 10mm
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    HK MP5 Flash Hider - 3 Lug - .40 S&W, 10mm

    H&K Heckler & Koch

    $199.99
    HK Heckler and Koch's Flash Hider with 3-Lug Connection Fits all factory in-spec 3 Lug MP5 40,10 Barrels. Specifications: Made In Germany 3-Lug Compatible With: MP5
    HKP-00442
    $199.99
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  • Out Of Stock
    Used - H&K A3 Retractable Stock Clamping Lever Spring - HKP-01089

    HK A3 Retractable Buttstock Clamping Lever Spring

    H&K Heckler & Koch

    $19.95
    HK German Retractable Stock Clamping Lever Spring For A3 Retractable Stocks This spring is the most common breakage/wear item in the internal workings of the A3 retractable stock.
    HKP-01089
    $19.95
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  • New - B&T Blast Deflector - A2 NATO Interface - HKP-21777 B&T Blast Deflector - A2 NATO Interface
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    B&T Blast Deflector - A2 NATO Interface

    B&T Brugger & Thomet

    $300.00
    B&T Blast Deflector - A2 NATO Interface This blast deflector is designed for NATO style A2 ("birdcage") flash hiders. Offering a universal fit for 5.56 rifles featuring the standard A2 flash hider. It directs muzzle blast forward, preventing...
    HKP-21777
    $300.00
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  • New - SchleTek B&T Suppressor Cleaner Evolution 500ml - HKP-21715
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    Suppressor Cleaner Evolution - 500ml

    SchleTek

    $38.00
    SchleTek Suppressor Cleaner Evolution 500ml A highly effective, easy-to-use cleaner for all suppressor types. Its self-active formula tackles stubborn fouling quickly, eliminating laborous cleaning. The SchleTek cleaner is safe for all materials and...
    HKP-21715
    $38.00
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    $38.00
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  • New - HKP HK MP5 .22 LR Aimpoint ACRO Sight Mount - HKP-21236 HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
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    HK MP5 Optic Mount, Aimpoint ACRO - .22 LR

    HKP HK Parts

    $98.95
    HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean...
    HKP-21236
    $98.95
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  • New - Lancer 30 Round AR-15 Magazine - HKP-21188 HK416, MR556, AR-15 Magazine - 30 Round - Smoke
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    HK416, MR556, AR-15 Magazine - 30 Round - Smoke

    Lancer

    $29.95
    Lancer 30 Round AR-15 Magazine - Smoke Lancer set out to design a better 5.56 magazine, one with the reliability of steel and the durability and weight of the polymer. The L5AWM’s exclusive hybrid design includes a hardened steel feed lip...
    HKP-21188
    $29.95
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  • New - KCI 30 Round HK MP5 Supersonic Labeled Magazine - HKP-21130 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Labeled
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Labeled

    KCI

    $44.95
    KCI 30 Round HK MP5 Supersonic Labeled Magazine Each 9mm Magazine Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All...
    HKP-21130
    $44.95
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  • On Sale
    New - Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured - HKP-20004-M
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    HK MP5, SP5 Binary Trigger Group - SEF Navy - BFSIII - 9mm

    FA Franklin Armory

    Now: $999.95
    Was: $1,299.95
    Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured Complete Franklin Armory BFSIII HK-C1 binary trigger pack assembly configured in a 3-position pictogram contoured housing for HK MP5 and SP5 push-pin...
    HKP-20004-M
    Now: $999.95
    Was: $1,299.95
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    Now: $999.95
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