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 - HK MP5K & SP89 - FBI Trigger Group Complete - HKP-00401 HK MP5K, SP89 Trigger Group, Complete - FBI
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    HK MP5K, SP89 Trigger Group, Complete - FBI

    H&K Heckler & Koch

    $849.95
    HK Heckler and Koch FBI Trigger Group Complete for HK MP5K and HK SP89 New HK German. This is a great upgrade and investment for your HK SP89 or HK MP5K clone. This trigger group is clipped and pinned and ready to install on your HK, with all the latest...
    HKP-00401
    $849.95
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    $849.95
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  • New - HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - HKP-17138 HK MP5K, SP89, SP5K Stock or Brace Adapter - AR  - 9mm
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    HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - 9mm

    HKP HK Parts

    $114.95
    HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR...
    HKP-17138
    $114.95
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    $114.95
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  • On Sale
    HK MP5, AP5 Cocking Handle - BLEMISHED HK MP5, AP5 Cocking Handle - BLEMISHED
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    HK MP5, AP5 Cocking Handle - BLEMISHED

    MKE

    Now: $9.95
    Was: $17.95
    MKE AP5, HK MP5 Cocking Handle - BLEMISHED MARKINGS ON AXLE - DENTS ON BODY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory-style cocking handle for...
    HKP-99374
    Now: $9.95
    Was: $17.95
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    Now: $9.95
    Was: $17.95
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  • HK G36 Folding Stock or Brace  - HDA3 HK G36 Folding Stock or Brace  - HDA3
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    HK G36 Folding Stock or Brace - HDA3

    Haga Defense

    $349.95
    HK G36 Folding Stock or Brace - HDA3 The HDA3 is a modular, USA-made stock or brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...
    HKP-22357-M
    $349.95
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    $349.95
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  • On Sale
    New - H&K HK416A1 10.4" Upper Receiver Kit - AI Date Code (2008) - PD Trade-In - HKP-22245 H&K HK 416 10.4 - AI Upper H&K Heckler & Koch HKP-22245
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    HK416 A1 Upper Receiver - 10.4"

    H&K Heckler & Koch

    Now: $2,999.95
    Was: $3,499.95
    HK416 10.4" Complete Upper Receiver Features: Factory German 10.4" length 2008 date coded   P.D. trade-in, de-serialized during the de-milling process.  Finish your build with a matching lower from STS Tactical. Compatible With: HK416
    HKP-22245
    Now: $2,999.95
    Was: $3,499.95
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    Now: $2,999.95
    Was: $3,499.95
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  • New - B&T HK 416 3 Prong Flash Hider - 1/2x28 - HKP-22216 HK416, MR556 Flash Hider - 3 Prong - Threaded 1/2x28
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    HK416, MR556 Flash Hider - 3 Prong - Threaded 1/2x28

    B&T Brugger & Thomet

    $100.00
    Brugger and Thomet Assault 3 Prong Flash Hider - 1/2x28 3-Prong muzzle device with 1/2x28 threading, designed to reduce muzzle flash and improve shooting performance. Features: High performance open tine hybrid Precision machined, DLC...
    HKP-22216
    $100.00
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    Qty in Cart: 0
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    $100.00
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  • Out Of Stock
    RCM HK MP5K Recoil Rod HK MP5K Recoil Rod Assembly - 9mm

    HK MP5K Recoil Rod Assembly - 9mm

    RCM

    $54.95
    RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible with SP5K with the F-style recoil rod MP5K clones and...
    HKP-22203
    $54.95
    Out Of Stock
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    $54.95
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  • On Sale
    New - Super Slim Picatinny Riser Mount - 4 Slots - BLEMISHED - HKP-99229-M Picatinny Riser Mount - Super Slim - 4 Slots - BLEMISHED
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    Picatinny Riser Mount - Super Slim - 4 Slots - BLEMISHED

    Other

    Now: $26.21
    Was: $49.95
    Super Slim Picatinny Riser Mount - 4 Slots - 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 slim Picatinny riser mount is offered in two clamp...
    HKP-99229-M
    Now: $26.21
    Was: $49.95
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    Now: $26.21
    Was: $49.95
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  • New - H&K HK G3/HK 91 Muzzle Protector Cap - HKP-21892 HK91, G3 Muzzle Protector Cap
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    HK91, G3 Muzzle Protector Cap

    H&K Heckler & Koch

    $8.95
    Heckler and Koch Muzzle Protector Cap for your HK91 and HK G3  Genuine HK muzzle cap designed to keep debris, water, etc., from entering the barrel. The cap can be removed by hand or when the first round is fired with the cap installed. Standard...
    HKP-21892
    $8.95
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    Qty in Cart: 0
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    $8.95
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  • On Sale
    New - HK53 Cocking Tube - HKP-99057 HK53 Cocking Tube
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    HK53 Cocking Tube

    USA

    Now: $79.95
    Was: $149.95
    HK53 Cocking Tube  US made cocking tube Compatible With: HK53 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99057
    Now: $79.95
    Was: $149.95
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    Now: $79.95
    Was: $149.95
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  • New - HK91, G3 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch - Like New - HKP-21804 HK91, G3 Two Magazines and Rubberized Mag Pouch - 20 Round - Aluminum - Like New
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    HK91, G3 Two Magazines and Rubberized Mag Pouch - 20 Round - Aluminum - Like New

    H&K Heckler & Koch

    $36.95
    HK Heckler and Koch Two 20 Round Aluminum Mags with Rubberized Mag Pouch for HK91 Two Like-New HK German 20 round aluminum magazines, accompanied by a premium hand-picked green rubberized mag pouch. This bundle is the perfect choice for anyone looking...
    HKP-21804
    $36.95
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    $36.95
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  • Out Of Stock
    New - B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters - HKP-21725 B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic

    B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic

    B&T Brugger & Thomet

    $90.00
    B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic brace into a proper stock (NFA rules apply). The kit...
    HKP-21725
    $90.00
    Out Of Stock
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    $90.00
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