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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  • On Sale
    HK Trigger Pack Ejector Lever Axle - USED HK Trigger Pack Ejector Lever Axle - USED
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    HK Trigger Pack Ejector Lever Axle - USED

    H&K Heckler & Koch

    Now: $12.95
    Was: $19.95
    HK Trigger Pack Ejector Lever Axle - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German ejector lever axle pin for all HK trigger packs. This is the factory correct axle pin that holds the...
    HKP-01091-USED
    Now: $12.95
    Was: $19.95
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    Now: $12.95
    Was: $19.95
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  • HK MP5, MP5K Folding Stock or Brace - HDA3 HK MP5, MP5K Folding Stock or Brace - HDA3
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    HK MP5, MP5K Folding Stock or Brace - HDA3

    Haga Defense

    $349.95
    HDA3 Stock and Brace for MP5K, SP5K 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-22355-M
    $349.95
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    $349.95
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  • F5 HK MP5 ACR Stock - Picatinny Mount F5 MFG HKP-22350-M HK MP5, SP5 ACR Folding Stock with Stock or Brace Adapter - Picatinny
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    HK MP5, SP5 ACR Folding Stock with Stock or Brace Adapter - Picatinny

    F5 MFG

    $314.95
    F5 HK MP5/SP5 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 MP5 and other platforms.  This drop-in ready assembly attaches with the MP5's...
    HKP-22350-M
    $314.95
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    $314.95
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  • Used - H&K 416 10.4" Date Coded OTB Upper Receiver Kit - USED - HKP-22193-M HK416 Upper Receiver Kit - 10.4" - Date Coded - OTB - USED
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    HK416 Upper Receiver Kit - 10.4" - Date Coded - OTB - USED

    H&K Heckler & Koch

    $3,789.95
    H&K 416 10.4" Date Coded OTB Upper Parts Kit - USED Genuine HK 416 10.4″ date coded used upper parts kit with a factory German 10.4″ barrel with the new Over The Beach (OTB) features (vented gas block, quad rail forearm).  Finish...
    HKP-22193-M
    $3,789.95
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    $3,789.95
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  • New - KCI 30 Round MP5 9mm Magazine - 10 Pack - Cerakoted - HKP-22066 KCI 30 Round MP5 9mm Magazine - 10 Pack - Cerakoted
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    KCI 30 Round MP5 9mm Magazine - 10 Pack - Cerakoted

    KCI

    $349.95
    KCI 30 Round MP5 9mm Magazine - 10 Pack Get reliable performance and a splash of style with the KCI 30 Round MP5 9mm Magazine 10-Pack. Cerakoted for durability, this pack includes two magazines in each of five distinct colors—perfect for quick...
    HKP-22066
    $349.95
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    $349.95
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  • On Sale
    HK MP5 9mm 2 Position 0,1 FBI Style Polymer Housing - Push Pin - USED - BLEMISHED HK MP5 9mm 2 Position 0,1 FBI Style Polymer Housing - Push Pin - USED - BLEMISHED
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    HK MP5 9mm 2 Position 0,1 FBI Style Polymer Housing - Push Pin - USED - BLEMISHED

    H&K Heckler & Koch

    Now: $139.95
    Was: $209.95
    H&K MP5 9mm 2 Position 0,1 FBI Style Polymer Housing - Push Pin - USED - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART...
    HKP-16056-PP-B
    Now: $139.95
    Was: $209.95
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    Now: $139.95
    Was: $209.95
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  • New - H&K MR556 A4/416 A5 Gas Block Spring - HKP-22060 HK MR556 A4/416 A5 Gas Block Spring
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    HK MR556 A4/416 A5 Gas Block Spring

    H&K Heckler & Koch

    $19.95
    H&K MR556 A4/416 A5 Gas Block Spring German-made gas block spring for the MR556 A4 and HK416 A5. Compatible With: HK MR556 A4 HK416 A5
    HKP-22060
    $19.95
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    $19.95
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  • New - H&K MR556/MR762 Ribbon for Buttstock - HKP-22002 HK MR556, MR762 Ribbon for Buttstock
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    HK MR556, MR762 Ribbon for Buttstock

    H&K Heckler & Koch

    $53.95
    H&K MR556A1, MR762A1 Ribbon for Buttstock Factory HK ribbon used for sling attachment. Can also be used on the E1 Buttstock. Compatible With: HK MR556/416 MR762/417
    HKP-22002
    $53.95
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    $53.95
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  • New - H&K HK MR762 A4 14.4" QD Handguard - HKP-21936 HK MR762 A4 Handguard - Quick Detach - 14.4"
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    HK MR762 A4 Handguard - Quick Detach - 14.4"

    H&K Heckler & Koch

    $739.95
    Heckler and Koch 14.4" Quick Detach Handguard for HK MR762 A4 Factory HK 14.4" handguard for the MR762 A4. This rail uses the correct HK quick-detach mounting system for fast removal and secure reattachment. Constructed from lightweight, durable aluminum...
    HKP-21936
    $739.95
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  • New - Magpul M-Lok Offset Light / Optic Mount - HKP-21875 M-Lok Optic Mount - Offset Light
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    M-Lok Optic Mount - Offset Light

    Magpul

    $36.95
    Magpul M-Lok Offset Light / Optic Mount - Aluminum The M-LOK Offset Light/Optic Mount, Aluminum provides the user with an ambidextrous platform to mount weapons lights or optics at both the 11 and 1 o'clock positions on M-LOK compatible hand guards and...
    HKP-21875
    $36.95
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    $36.95
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  • New - Strike Industries HK MP5 .22LR Dual Folding Stock w/ Adapter - HKP-21769-M HK MP5 .22LR Dual Folding Stock w/ Adapter
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    HK MP5 .22LR Dual Folding Stock w/ Adapter

    HKP HK Parts / Strike Industries

    $319.95
    Strike Industries HK MP5 .22LR Dual Folding Stock w/ Adapter The Strike Industries Dual Folding Stock paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...
    HKP-21769-M
    $319.95
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    $319.95
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  • New - HKP HK UMP 5 Prong Ported Flash Hider - 5/8x24 - HKP-21569 HK UMP 5 Prong Ported Flash Hider - 5/8x24
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    HK UMP 5 Prong Ported Flash Hider - 5/8x24

    HKP HK Parts

    $89.95
    HKP HK UMP 5 Prong Ported Flash Hider - 5/8x24 5-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...
    HKP-21569
    $89.95
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    $89.95
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