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 - H&K HK MP5/MP5K Semi Auto Ambidextrous Trigger Pack - HKP-19867 HK MP5, MP5K Semi Auto Ambidextrous Trigger Pack
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    HK MP5, MP5K Semi Auto Ambidextrous Trigger Pack

    HKP HK Parts / Heckler & Koch

    $299.95
    H&K MP5/K 9mm Semi-Auto Ambidextrous Trigger Pack Each Trigger pack is fully assembled and ready to drop in your Ambi FBI, Navy pictogram housing. All parts are German HK with the exception of the trigger pack box and the 9mm ejector lever...
    HKP-19867
    $299.95
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch - Flectarn - HKP-14550 HK91, G3, PTR TWO Magazines with Pouch - 20 Round
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    HK91, G3, PTR TWO Magazines with Pouch - 20 Round

    H&K Heckler & Koch

    $49.95
    2x20 Round Like New Aluminum Mags W/ New Cloth Mag Pouch - Flectarn Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 clones Other custom HK91/G3 style builds or custom clones
    HKP-14550
    $49.95
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  • New - Nefarious Arms HK G36/SL8/HK 416/MR556 Gas Piston - HKP-21364 HK 416, MR556, G36, SL8 Gas Piston
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    HK 416, MR556, G36, SL8 Gas Piston

    Nefarious Arms

    $74.95
    Nefarious Arms HK G36/SL8/HK 416/MR556 Gas Piston A great spare, upgrade, or replacement part for your HK. Includes 3 piston rings for a complete drop in replacement part. TiN coated for corrosion resistance.  Compatible with: HK G36 HK416 HK...
    HKP-21364
    $74.95
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  • Used - H&K HK MP5 30 Round Mag Pouch - 3 Straight Mags - Used - HKP-20728 HK MP5, HK94, SP89 Magazine Pouch - 3 Straight Mags - 30 Round - Canvas
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    HK MP5, HK94, SP89 Magazine Pouch - 3 Straight Mags - 30 Round - Canvas

    H&K Heckler & Koch

    $24.95
    German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags - Used to Good Used to good shape German HK magazine Pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...
    HKP-20728
    $24.95
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    $24.95
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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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  • Used - H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used - HKP-21555 HK91, G3 Magazine Pouch - Used
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    HK91, G3 Magazine Pouch - Used

    H&K Heckler & Koch

    $18.99
    H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used   Compatible With Magazines for the Following Applications: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 Other custom HK91/G3 style builds and clones
    HKP-21555
    $18.99
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    $18.99
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  • New - HKP HK UMP/USC & G36 Flat Trigger - HKP-20766-M HK UMP, USC, G36 Flat Trigger
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    HK UMP, USC, G36 Flat Trigger

    HKP HK Parts

    $99.95
    HKP HK UMP/USC & G36 Flat Trigger Our flat trigger has spaced out serrations at the face of the trigger for a superior grip. Chamfered edges prevent the trigger face serrations from cutting into the operator's hands over prolonged range sessions...
    HKP-20766-M
    $99.95
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  • On Sale
    New - HKP Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - HKP-19338 HK Linear Compensator - Threaded 5/8x24 RH - 5.56 and .308
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    HK Linear Compensator - Threaded 5/8x24 RH - 5.56 and .308

    HKP HK Parts

    Now: $87.95
    Was: $149.95
    HKP (5.56/.223) and (7.62x51/.308) Linear Compensator - Threaded 5/8x24 RH Linear compensators give you the best of both worlds. Remove the outer blast shield for standard compensator and muzzle break functionality. Or, keep it on as a courtesy to the...
    HKP-19338
    Now: $87.95
    Was: $149.95
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  • Out Of Stock
    New - H&K Universal Harris Bipod Adapter - HKP-01852 HK Universal Harris Bipod Adapter

    HK Universal Harris Bipod Adapter

    H&K Heckler & Koch

    $199.95
    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
    $199.95
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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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  • Out Of Stock
    New - H&K SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended - HKP-19027 HK SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended

    HK SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended

    H&K Heckler & Koch

    $74.95
    HK German SEF Extended Axle Selector Lever For Polymer Housings - Extended The HK Extended SEF Long Axle Selector Lever is designed for use with polymer SEF-type grips or trigger housings. This extended lever provides enhanced control and ease of use,...
    HKP-19027
    $74.95
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