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 MP5F & MP5 40/10 Cocking Handle - HKP-00098 HK MP5F, MP5 40, 10 Cocking Handle
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    HK MP5F, MP5 40, 10 Cocking Handle

    H&K Heckler & Koch

    $85.99
    H&K MP5F & MP5 40/10mm Cocking Handle New HK German factory correct cocking handle. Each unit is to be used with the correct 40/10 or F-style cocking handle support and cocking tube. Compatible With: MP5 40 MP5 10mm MP5 .357 MP5 9X25 Dillon MP5...
    HKP-00098
    $85.99
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    $85.99
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  • New - HKP MP5SD 9mm Cocking Tube - For Lefties - HKP-18918 HK MP5SD Cocking Tube - 9mm - Left Hand
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    HK MP5SD Cocking Tube - 9mm - Left Hand

    HKP HK Parts

    $99.95
    MP5SD Cocking Tube - US Made - For Left-Handed Shooters HK German MP5SD spec cocking tube for use on MP5SD style builds or custom SD builds. Each unit is made from the original factory HK prints & tooling to the perfect HK MP5SD "F" style specs...
    HKP-18918
    $99.95
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    $99.95
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  • Out Of Stock
    Used - H&K MP5 4 Position Burst Trigger Group 0,1,3,F - USED - HKP-02610

    HK MP5 4 Position Burst Trigger Group 0,1,3,F - USED

    H&K Heckler & Koch

    $2,599.95
    H&K MP5 4 Position Burst Trigger Group 0,1,3,F - USED HK German 4 Position 3 Round Burst Trigger Group – complete and ready for use. This is a high-quality, fully functional trigger group featuring a versatile 4 Position Burst (0, 1, 3, F)...
    HKP-02610
    $2,599.95
    Out Of Stock
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    $2,599.95
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  • New - H&K MP5 3 Position Navy T/G 0,1,Full With ESSL - HKP-00159 HK MP5 Navy Trigger Group - 3 Position (0,1,Full) - With ESSL
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    HK MP5 Navy Trigger Group - 3 Position (0,1,Full) - With ESSL

    H&K Heckler & Koch

    $2,549.95
    HK MP5 3 Position Navy T/G (0, 1, Full) With Extended Safety Selector Lever New factory German complete trigger group with the left side extended lever. No longer available and just a few units remaining. Compatible With:  HK MP5
    HKP-00159
    $2,549.95
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  • On Sale
    HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED
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    HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED

    MKE

    Now: $34.95
    Was: $49.95
    HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This contoured trigger housing is...
    HKP-99396
    Now: $34.95
    Was: $49.95
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    Now: $34.95
    Was: $49.95
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  • On Sale
    HK416, MR556 Handguard - A4 Style - 10" - USED HK416, MR556 Handguard - A4 Style - 10" - USED
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    HK416, MR556 Handguard - A4 Style - 10" - USED

    H&K Heckler & Koch

    Now: $379.95
    Was: $479.95
    H&K HK416, MR556 A4 10" Quick Disconnect Handguard Factory HK A4 handguard featuring HK's A4 quick disconnect latch.  Compatible with A1 and A4 rifles. THESE HANDGUARDS ARE SLIGHTLY USED AND WILL HAVE COSMETIC BLEMISHES.  PLEASE REFER TO...
    HKP-22426-USED
    Now: $379.95
    Was: $479.95
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    Now: $379.95
    Was: $479.95
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  • On Sale
    HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED HKP HK Parts HKP-16250-BL-B HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED HKP HK Parts HKP-16250-BL-B
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    HK MP5, HK91, G3, PTR Magazine - 5 Round - Black - BLEMISHED

    HKP HK Parts

    Now: $44.97
    Was: $79.95
    HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED PITTING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. 5 Round German Steel 308 Magazine With US Made...
    HKP-16250-BL-B
    Now: $44.97
    Was: $79.95
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    Now: $44.97
    Was: $79.95
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  • HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA
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    HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA

    HKP HK Parts / Aimpoint

    $509.95
    HK MP5 Burris FastFire 3.5 MOA Red Dot with Raised Optic Mount The HKP Raised optic mount was designed to elevate the sight to a height that is both comfortable and easy to view, while retaining an unobstructed view of the factory sights. Get the best of...
    HKP-22398-M
    $509.95
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    $509.95
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  • HK MP5 Folding Stock or Brace - HDA3 HK MP5 Folding Stock or Brace - HDA3
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    HK MP5 Folding Stock or Brace - HDA3

    Haga Defense

    $349.95
    HDA3 Stock and Brace System for HK MP5, SP5 The HDA3 is a modular, USA-made stock and brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...
    HKP-22354-M
    $349.95
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    $349.95
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  • HK MP5K, SP5K ACR Folding Stock with Stock or Brace Adapter - Picatinny HK MP5K, SP5K ACR Folding Stock with Stock or Brace Adapter - Picatinny
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    HK MP5K, SP5K ACR Folding Stock with Stock or Brace Adapter - Picatinny

    F5 MFG

    $324.95
    HK MP5K, SP5K ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their K and other platforms.  This drop-in ready assembly attaches with the K's two...
    HKP-22351-M
    $324.95
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    $324.95
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  • HK G36 ACR Folding Stock - Picatinny Adapter HK G36 ACR Folding Stock - Picatinny Adapter
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    HK G36 ACR Folding Stock - Picatinny Adapter

    HKP HK Parts

    $359.95
    HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...
    HKP-22331
    $359.95
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    $359.95
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  • HK MP5 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22321 HK MP5 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22321
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    HK MP5 Metal Trigger Housing Conversion Kit - AC Unity Grip

    HKP HK Parts

    $189.95
    HK MP5 Metal Trigger Housing Conversion Kit - AC Unity Grip This kit includes everything you need to convert a polymer MP5 trigger group a robust metal housing. Simply use your existing semi-auto SEF trigger pack to complete the conversion. This...
    HKP-22321
    $189.95
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    $189.95
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