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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  • On Sale
    Used - H&K HK33A2 Parts Kit-Used - HKP-00783 H&K HK33A2 Parts Kit-Used H&K Heckler & Koch HKP-00783
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    HK33 A2 Parts Kit

    H&K Heckler & Koch

    Now: $2,897.95
    Was: $3,489.95
    HK33 A2 Parts Kit - Used Surplus (Receiver Not Included) Genuine German HK33 A2 parts kit professionally de-milled in accordance with BATF specifications. This kit does not include a receiver. These kits consist of German-manufactured HK components and...
    HKP-00783
    Now: $2,897.95
    Was: $3,489.95
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    Now: $2,897.95
    Was: $3,489.95
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  • HK MP5, SP5 Handguard - Slimline Style HK MP5, SP5 Handguard - Slimline Style
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    HK MP5, SP5 Handguard - Slimline Style

    HKP HK Parts

    $22.95
    HKP MP5, SP5 Slimline Handguard Once a rare find after HK discontinued it, the classic slimline handguard returns with a fresh, U.S-made update. Specially engineered for the MP5, SP5, and compatible clones, this new version features a reimagined pattern...
    HKP-21471
    $22.95
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    $22.95
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  • HK MP5, AP5 Trunnion - 9mm HK MP5, AP5 Trunnion - 9mm
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    HK MP5, AP5 Trunnion - 9mm

    MKE

    $64.95
    HK MP5 Trunnion  Made to exact factory HK specifications for the HK MP5K type builds. Machined to HK spec making the install painless and hassle free. Compatible With: MP5 SP5 In spec clones
    HKP-22523
    $64.95
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    $64.95
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  • Out Of Stock
    On Sale
    New - Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - HKP-20465 Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - BLEMISHED

    Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - BLEMISHED

    Lee Sporting

    Now: $452.95
    Was: $549.95
    Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The LS5 trigger group from Lee Sporting...
    HKP-20465-B
    Now: $452.95
    Was: $549.95
    Out Of Stock
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    Now: $452.95
    Was: $549.95
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  • HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm
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    HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm

    H&K Heckler & Koch

    $12.95
    HK91, G3 19x1.2mm Retaining Ring for A3 Retractable Buttstocks This 19x1.2 retaining ring (circlip-style) is used in the G3 and HK91 A3 retractable buttstock assembly to help retain the locking components in place for proper fit and function. Compatible...
    HKP-22482
    $12.95
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    $12.95
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  • On Sale
    MKE AP5, MP5 Front Sight Tower - UNFINISHED - BLEMISHED MKE HKP-22220-B MKE AP5, MP5 Front Sight Tower - UNFINISHED - BLEMISHED MKE HKP-22220-B
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    HK MP5, AP5 Front Sight Tower - UNFINISHED - BLEMISHED

    MKE

    Now: $22.46
    Was: $49.95
    MKE AP5, MP5 Front Sight Tower - UNFINISHED - BLEMISHED SOLD INDIVIDUALLY - UNFINISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The front sight tower is a...
    HKP-22220-B
    Now: $22.46
    Was: $49.95
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    Now: $22.46
    Was: $49.95
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  • A3 Tactical Picatinny Skelestock A3 Tactical Picatinny Skelestock
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    A3 Tactical Picatinny Skelestock

    JMK

    $338.95 - $353.95
    A3 Tactical Picatinny Skelestock The A3 Tactical Skelestocks are fixed-length folding skeleton stocks meticulously machined from 6061 aluminum. An ambidextrous hinge enables it to fold either to the right or left, depending on the mounting...
    HKP-22410-M
    $338.95 - $353.95
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    $338.95 - $353.95
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  • HK416, MR556 CQC Pistol Grip - Walnut HK416, MR556 CQC Pistol Grip - Walnut
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    HK416, MR556 CQC Pistol Grip - Walnut

    JMK

    $78.95
    JMK HK416, MR556 CQC pistol grip - Walnut The CQC pistol grip by JMK is crafted from CNC-machined black walnut. After machining, the grip is dyed to a uniform color and finished with a catalyzed satin seal. These grips are compatible with any firearm...
    HKP-22401-M
    $78.95
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    $78.95
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  • HK G3 - FMP Early Type Demilled Front End - No Cocking Handle Assembly FMP HK CONTRACT HKP-22377 HK G3 - FMP Early Type Demilled Front End - No Cocking Handle Assembly FMP HK CONTRACT HKP-22377
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    HK FMP G3 Early Type De-Milled Front End - No Cocking Handle Assembly

    FMP HK CONTRACT

    $68.95
    HK G3 - FMP Early Type De-milled Front End - No Cocking Handle Assembly Early style G3 front end with no hanger from de-milled FMP G3 parts kits. Perfect for custom builds.  Includes: Cocking tube Trunnion Barrel pin
    HKP-22377
    $68.95
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    $68.95
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  • HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376 HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376
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    HK G3 Stock Cut Off Section - OD Green

    FMP HK CONTRACT

    $2.45
    HK G3 Stock Cut Off Section - OD Green De-milled G3 stock section. Manufactured by FMP on HK tooling. Compatible With: HK G3, HK91 In-spec. clones and custom builds
    HKP-22376
    $2.45
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    $2.45
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  • On Sale
    Franklin Armory BFSIII AK-C1 - 9mm - Curved Trigger - BLEMISHED FA Franklin Armory HKP-19730-B Franklin Armory BFSIII AK-C1 - 9mm - Curved Trigger - BLEMISHED FA Franklin Armory HKP-19730-B
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    AK Binary Trigger - Curved - BFSIII - 9mm - BLEMISHED

    FA Franklin Armory

    Now: $385.99
    Was: $534.95
    Franklin Armory BFSIII AK-C1 - 9mm - Curved Trigger - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The...
    HKP-19730-B
    Now: $385.99
    Was: $534.95
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    Now: $385.99
    Was: $534.95
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  • On Sale
    Used - H&K MP5 40/10 Thread Protector Cap - Threaded 14x.75 - USED - HKP-00422-B HK MP5 Thread Protector Cap - .40 S&W, 10mm - 14x.75 - USED
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    HK MP5 Thread Protector Cap - .40 S&W, 10mm - 14x.75 - USED

    H&K Heckler & Koch

    Now: $34.95
    Was: $49.95
    H&K Heckler and Koch's Thread Protector Cap Threaded 14x.75 - USED for MP5 .40, 10 ONLY 4 UNITS AVAILABLE - AS PICTURED Priced for ONE cap - Condition Varies by Unit - Each unit Sold INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL...
    HKP-00422-B
    Now: $34.95
    Was: $49.95
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    Qty in Cart: 0
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    Now: $34.95
    Was: $49.95
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