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 - H&K HK416 Full Auto Ambi Selector Lever Kit - 3 Position Polymer Selectors - HKP-20398 HK416 Full Auto Ambi Selector Lever Kit - 3 Position Polymer Selectors

    HK416 Full Auto Ambi Selector Lever Kit - 3 Position Polymer Selectors

    H&K Heckler & Koch

    $159.95
    HK416 Full Auto Ambi Selectors Kit - German HK - 3 Position Each set comes complete with everything you will need to upgrade your HK 416 to an ambi selector lever set up.  The HK 416A5 polymer selector levers will be helpful for a quick visual...
    HKP-20398
    $159.95
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  • Used - H&K HK HK33 Slimline Forearm - HKP-20273-M H&K HK HK33 Slimline Forearm - Black || HKP-20273 || HKPARTS
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    HK33 Slimline Handguard

    H&K Heckler & Koch

    $59.95
    H&K HK HK33 Slimline Forearm  Used German military surplus black cerakote slimline forearm cut down to fit the HK33. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible With: HK33 HK...
    HKP-20273-M
    $59.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine Spring - HKP-02742
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    HK UMP Magazine Spring - .40 S&W - 30 Round

    H&K Heckler & Koch

    $8.95
    HK UMP .40 30 Round Magazine Spring  Perfect for spares and to have on hand as these are consumable high-wear items. Compatible With: HK UMP .40  
    HKP-02742
    $8.95
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    $8.95
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  • New - MP5, MP5K & HK53 Optic View Front Sight Tower - HKP-17879
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    HK MP5, MP5K, HK33 Optic View Front Sight Tower

    $54.95
    Billeted One Piece "Optic View" Front Sight Tower HK front sight tower machined as one solid seamless billeted piece. The finest front sight tower that has been machined to allow the use of the unobstructed partial view or optic view of the front sight...
    HKP-17879
    $54.95
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  • New - H&K MP5F, MP5 40,10 Factory Recoil Spring - HKP-01061
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    HK MP5F, MP5 40,10 Factory Recoil Spring

    H&K Heckler & Koch

    $14.95
    HK German MP5 F 9mm & MP5 40/10 Recoil Spring - New Updated Version New latest HK German manufacture MP5 40/10 replacement recoil spring. Hard to find and a high wear and replacement item. Each spring replaces the MP5F recoil spring for the MP5 9mm...
    HKP-01061
    $14.95
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  • HK33, HK93, G3K Slimline Handguard - Alpine or ODG
HK33, HK93, G3K Slimline Handguard - Alpine or ODG
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    HK33, HK93, G3K Slimline Handguard - Alpine or ODG

    H&K Heckler & Koch

    $59.95
    H&K HK 33 Slimline Handguard Used German military surplus slimline forearm cut down to fit the HK 33. Each handguard is in good to excellent shape and will clean up nicely. Compatible With: HK33 HK93 G3K Clones that take a HK33 length forearm.
    HKP-20198-M
    $59.95
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  • New - Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 5/8x24 - HKP-19986 Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 5/8x24
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    Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 5/8x24

    Kaw Valley Precision

    $44.99
    Kaw Valley Precision 9mm 3 Lug Suppressor Adapter - Threaded 5/8x24   The KVP 3-Lug adapters are manufactured to replicate the popular HK pattern 3-Lug interface. Concentricity of ID and OD surfaces are paramount in any suppressor attachment...
    HKP-19986
    $44.99
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Spring - HKP-01886
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    HK UMP, USC Cocking Lever Spring

    H&K Heckler & Koch

    $8.95
    HK UMP & USC Cocking Lever Spring A great spare part to have on hand.
    HKP-01886
    $8.95
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  • New - H&K Universal Harris Bipod Adapter - HKP-01852 HK Universal Harris Bipod Adapter
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    HK Universal Harris Bipod Adapter

    H&K Heckler & Koch

    $209.95
    HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...
    HKP-01852
    $209.95
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  • HK91, G3 Stock - AR15 Style - Complete Assembly
HK91, G3 Stock - AR15 Style - Complete Assembly
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    HK91, G3 Stock - AR15 Style - Complete Assembly

    PTR

    $274.95
    PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use The popular Magpul MIL-SPEC Moe...
    HKP-15614
    $274.95
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  • On Sale
    New - HKP Tactical Rail - 3 Inch - HK91/93 - HKP-00894 HK91, G3 Tactical Rail - 3 Inch
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    HK91, G3 Tactical Rail - 3 Inch

    HKP HK Parts

    Now: $9.95
    Was: $14.95
    HKP Tactical Rail - 3 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...
    HKP-00894
    Now: $9.95
    Was: $14.95
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  • New - H&K MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier - HKP-02558 HK MP5, MP5K Bolt Carrier Stop Pin and Axle Set
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    HK MP5, MP5K Bolt Carrier Stop Pin and Axle Set

    H&K Heckler & Koch

    $14.95
    MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier Each set is designed to keep the locking piece clocked at the correct location and in place when the stop axle and pin set are installed in the carrier. This item can become damaged...
    HKP-02558
    $14.95
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