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 - HKP MP5 40/10 Full Auto Bolt Carrier - HKP-18363 HK MP5 Bolt Carrier - Full Auto - 10mm / .40 S&W - USA
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    HK MP5 Bolt Carrier - Full Auto - 10mm / .40 S&W - USA

    HKP HK Parts

    $149.95
    HKP MP5 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel and black oxide finished. This carrier is made to the latest specs, tungsten filled, and heat treated.  Made in the USA and available exclusively at HK Parts...
    HKP-18363
    $149.95
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    $149.95
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  • Out Of Stock
    New - HKP MP5K/SP89 9mm Trigger Group 2 Position Housing 0,1- Safe, Semi Only - HKP-17241 HK MP5K, SP89 Trigger Group - 9mm - 2 Position - Housing 0,1

    HK MP5K, SP89 Trigger Group - 9mm - 2 Position - Housing 0,1

    HKP HK Parts

    $0.00
    HKP/H&K MP5K/SP89 9mm Safe & Semi Only Trigger Group - Clipped & Pinned Introducing a cost-effective alternative to the rare and expensive all-German HK FBI or 0,1 ambidextrous trigger group, now available in a 2-position Navy factory German...
    HKP-17241
    $0.00
    Out Of Stock
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  • New - H&K MP5K 9mm Complete Full Auto Bolt Group - HKP-00384 HK MP5K Bolt Group - Complete - Full Auto - 9mm
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    HK MP5K Bolt Group - Complete - Full Auto - 9mm

    H&K Heckler & Koch

    $2,974.95
    MP5K Full Auto Bolt Group "F" Style Complete - German Each factory HK MP5K bolt group includes the following: MP5K F/A - F style bolt carrier F style bolt head 100 degree locking piece firing pin firing pin spring recoil rod assembly Extremely rare...
    HKP-00384
    $2,974.95
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    $2,974.95
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  • Out Of Stock
    New - H&K MP5K/SP89/SP5K 9mm Incomplete End Cap - HKP-18208 HK MP5K/SP89/SP5K 9mm Incomplete End Cap

    HK MP5K/SP89/SP5K 9mm Incomplete End Cap

    H&K Heckler & Koch

    $0.00
    HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap.  Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K clones or other custom builds
    HKP-18208
    $0.00
    Out Of Stock
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  • Out Of Stock
    New - H&K MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group - HKP-00405 HK MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group

    HK MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group

    H&K Heckler & Koch

    $2,499.95
    HK MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group HK German MP5K 3 Position 0,1,F Navy Ambidextrous Trigger Group For MP5K, MP5KN or MP5K PDW. New HK German manufacture. This is the real deal. Only a few on hand and once they are all gone there...
    HKP-00405
    $2,499.95
    Out Of Stock
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    $2,499.95
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  • Out Of Stock
    New - H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin - HKP-16057 HK MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin

    HK MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin

    H&K Heckler & Koch

    $0.00
    H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin This HK German MP5K FBI style (0,1) trigger housing is designed for push pin type receivers. It is compatible with all HK German ambidextrous trigger packs and...
    HKP-16057
    $0.00
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  • Used - H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set - HKP-16606
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    HK MP5 Pistol Parts Kit - 9mm - Receiver Flat and Weldment Set

    H&K Heckler & Koch

    $1,689.95
    H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set Each MP5 9mm parts kit started life as an iconic German manufactured MP5 that was issued to the border guard and military police for service. During that service, they were carried a ton but...
    HKP-16606
    $1,689.95
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    $1,689.95
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  • New - H&K MP5 A3 Rear Stock Fork Section With Buttpad - HKP-01044
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    HK MP5 A3 Stock Fork Section With Buttpad

    H&K Heckler & Koch

    $429.95
    H&K MP5 A3 Stock Fork Section With Buttpad A common repair item as the buttpad can crack or break off with time or hard use. A hard-to-find item, available here at HK Parts. For use with new style A3 German stocks, NOT the older style stocks...
    HKP-01044
    $429.95
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    $429.95
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  • Out Of Stock
    New - HK Ambidextrous Sling - Green - HKP-00183

    HK Ambidextrous Sling - Green

    H&K Heckler & Koch

    $149.95
    HK Ambidextrous Sling - Green  This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on nearly...
    HKP-00183
    $149.95
    Out Of Stock
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    $149.95
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  • On Sale
    New - Ergo Harris Bipod Mount - KeyMod Handguard - HKP-17874
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    Harris Bipod Mount - KeyMod Handguard

    Ergo

    Now: $9.95
    Was: $38.95
    Ergo Harris Bipod Mount - KeyMod Handguard   Features: KeyMod Bipod Mount Black anodized 6061-T6 Alum. Compatible With: Harris-style bipods
    HKP-17874
    Now: $9.95
    Was: $38.95
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    Now: $9.95
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  • On Sale
    MKE AP5/MP5 Slimline Handguard - GUNSMITH SPECIAL MKE HKP-22222-B MKE AP5/MP5 Slimline Handguard - GUNSMITH SPECIAL MKE HKP-22222-B
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    HK MP5, SP5 Handguard - Slimline Style - GUNSMITH SPECIAL

    HKP HK Parts

    Now: $15.98
    Was: $27.95
    MKE AP5/MP5 Slimline Handguard - GUNSMITH SPECIAL HOLES DO NOT ALIGN - NEEDS MODIFICATION THIS PART IS SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require work before being functional. HKP...
    HKP-22222-B
    Now: $15.98
    Was: $27.95
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    Now: $15.98
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  • On Sale
    HK91, HK G3 Locking Piece - USED H&K Heckler & Koch HKP-16712-USED HK91, HK G3 Locking Piece - USED H&K Heckler & Koch HKP-16712-USED
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    FMP Locking Piece - USED

    H&K Heckler & Koch

    Now: $8.93
    Was: $14.95
    FMP Locking Piece - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German Locking Piece For FMP - USED. This is the factory correct for FMP firearms. Used pulled from...
    HKP-16712-USED
    Now: $8.93
    Was: $14.95
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    Now: $8.93
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