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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  • Out Of Stock
    New - DTAC HK93/33/G3K M-LOK Modular Handguard - HKP-20015 HK33, HK93, G3K M-LOK Modular Handguard

    HK33, HK93, G3K M-LOK Modular Handguard

    DTAC Dakota Tactical

    $189.95
    DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this one-piece main body provides a rigid mounting platform...
    HKP-20015
    $189.95
    Out Of Stock
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    $189.95
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  • Used - H&K 10 Round HK 91, G3, PTR .308 Magazine - Used - HKP-19887 HK91, G3 Magazine - .308 - 10 Round - Used
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    HK91, G3 Magazine - .308 - 10 Round - Used

    H&K Heckler & Koch

    $64.95
    H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20 round magazines are to long and get...
    HKP-19887
    $64.95
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  • New - HKP, H&K HK MP5 German Folding Stock w/ HK Parts Adapter - HKP-19453 HK MP5 Folding Stock with HK Parts Adapter
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    HK MP5 Folding Stock with HK Parts Adapter

    HKP HK Parts / Heckler & Koch

    $269.95
    German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...
    HKP-19453
    $269.95
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  • New - H&K HK MP7 Retractable Stock - HKP-18552 HK MP7 Retractable Buttstock
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    HK MP7 Retractable Buttstock

    H&K Heckler & Koch

    $199.95
    H&K HK MP7 Retractable Stock New Rare HK MP7 - 1 Position - Retractable Buttstock Compatible With: All MP7A1 and MP7A2 Firearms
    HKP-18552
    $199.95
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  • New - H&K HK USP Lanyard Loop Insert Pin - HKP-01930
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    HK USP Lanyard Loop Insert Pin

    H&K Heckler & Koch

    $19.95
    HK USP Lanyard Loop Insert Pin   Compatible With: HK USP 9mm HK USP 40 HK USP 45  
    HKP-01930
    $19.95
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    $19.95
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  • New - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - HKP-00513 HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned
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    HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned

    H&K Heckler & Koch

    $179.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...
    HKP-00513
    $179.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Alpine Green - Surplus - HKP-18934 HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Alpine Green - Surplus
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    HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Alpine Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK German Surplus G3, 91, PTR Stock Complete with Enhanced Heavy Buffer Installed - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are 90's...
    HKP-18934
    $129.95
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  • New - H&K Cocking Tube Extrusion - 12" Section - HKP-13487 HK90 Series Cocking Tube Extrusion - 12" Section
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    HK90 Series Cocking Tube Extrusion - 12" Section

    H&K Heckler & Koch

    $54.95
    H&K Factory Cocking Tube Extrusion 12" Section HK cocking tube section is perfect for custom HK cocking tube projects. Overall length is 12" long. All steel and ready for that custom project or custom build. Perfect for custom cocking tube...
    HKP-13487
    $54.95
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  • On Sale
    New - GG&G Picatinny to Harris Bipod Adapter - HKP-02307 Harris Bipod Adapter - Picatinny
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    Harris Bipod Adapter - Picatinny

    GG&G

    Now: $14.95
    Was: $39.95
    Harris Bipod Adapter Made By GG&G Enables a Harris Bi-pod to attach to a mil-spec Picatinny rail. GG&G's AR-15 Harris Bipod Adapter is rugged and low profile. Features of the GG&G Bipod Adapter include a stationary standard swivel stud, a...
    HKP-02307
    Now: $14.95
    Was: $39.95
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    Now: $14.95
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  • New - Holosun 510 Series Open Reflex Sight - Picatinny Mount - HKP-21656-M Holosun 510 Series Open Reflex Sight - Picatinny Mount
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    Holosun 510 Series Open Reflex Sight - Picatinny Mount

    Holosun

    $354.95
    Holosun 510 Series Open Reflex Sight - Universal Picatinny Mount The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum...
    HKP-21656-M
    $354.95
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  • On Sale
    New - HKP V51 Backplate - HKP-21201 HK V51 Backplate
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    HK V51 Backplate

    HKP HK Parts

    Now: $99.95
    Was: $167.95
    HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...
    HKP-21201
    Now: $99.95
    Was: $167.95
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    Now: $99.95
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  • Used - H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo - HKP-20104 HK416 OTB E1 Buttstock and Buffer Tube Set
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    HK416 OTB E1 Buttstock and Buffer Tube Set

    H&K Heckler & Koch

    $469.95
    H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth...
    HKP-20104
    $469.95
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    $469.95
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