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 - HKP 9mm Titanium Flash Hider - 3-Lug - HKP-18853 HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm
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    HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm

    HKP HK Parts

    $134.95
    HKP/H&K MP5/SP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug...
    HKP-18853
    $134.95
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    New - HK Parts MP5SD 9mm Barrel - Threaded 18x1 - HKP-17755 HK MP5SD Barrel - 9mm - Threaded 18x1

    HK MP5SD Barrel - 9mm - Threaded 18x1

    HKP HK Parts

    $169.95
    HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision milled to the latest specifications, it features...
    HKP-17755
    $169.95
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  • New - CFG MP5 Low Profile Rear Picatinny Sight Base - 10 Slot - HKP-18321 HK MP5, SP5K, HK94, SP89 Rear Sight Picatinny Base - Low Profile - 10 Slot
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    HK MP5, SP5K, HK94, SP89 Rear Sight Picatinny Base - Low Profile - 10 Slot

    CFG

    $119.95
    CFG MP5 Low Profile Rear Picatinny Sight Base - 10 Slot The CFG mount allows the user to replace the German HK rear sight with a low profile picatinny optic mount.  Made in the USA to German specifications. Compatible With: MP5, MP5K SP5,...
    HKP-18321
    $119.95
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  • New - H&K Trigger Pack Housing - Semi 0,1 - HKP-02177
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    HK Trigger Pack Housing - Semi 0,1

    H&K Heckler & Koch

    $129.95
    H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...
    HKP-02177
    $129.95
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  • New - HK 416 .22 Magpul UCS Stock with Adapter - HKP-22196 HK416 Ultra Carbine Stock and Adapter - .22LR Pistol
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    HK416 Ultra Carbine Stock and Adapter - .22LR Pistol

    HKP HK Parts / Magpul

    $264.95
    HK 416 .22LR Pistol Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5K pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right...
    HKP-22196
    $264.95
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  • New - H&K MR556 A4 Hammer Spring - HKP-22083
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    HK MR556 A4 Hammer Spring

    H&K Heckler & Koch

    $5.95
    H&K MR556 A4 Hammer Spring Genuine H&K hammer spring for the MR556 A4. Compatible With: HK MR556 A4
    HKP-22083
    $5.95
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  • Used - H&K G3 Standard Stock Buttpad - Green - Used - HKP-21865 HK G3 Buttstock Buttpad - Standard - Green - Used
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    HK G3 Buttstock Buttpad - Standard - Green - Used

    H&K Heckler & Koch

    $2.95
    H&K G3 Standard Stock Buttpad - Green - Used This German-made buttpad is an excellent replacement for your worn-out or broken buttpadd on the G3 stock. Used but fully functional.  Compatible With: HK G3
    HKP-21865
    $2.95
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  • Out Of Stock
    Used - H&K MP5 , HK94 Factory A3 Stock - Used - HKP-21644 HK MP5, HK94 A3 Retractable Buttstock - Factory - Used

    HK MP5, HK94 A3 Retractable Buttstock - Factory - Used

    H&K Heckler & Koch

    $739.95
    H&K Heckler and Koch Factory A3 Used Buttstock for HK MP5 and HK94 The original Navy-style German HK MP5 A3 stock is a rare find as it's no longer in production and has been replaced by the MP5 F-style stock. We are offering the sought-after...
    HKP-21644
    $739.95
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  • New - B&T Unigrip QD with Bipod - HKP-21387-M B&T Unigrip QD with Bipod
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    B&T Unigrip QD with Bipod

    B&T Brugger & Thomet

    $198.95
    B&T Unigrip QD with Bipod This B&T foregrip features a retractable bipod for superior weapon stability in both the standing and prone positions. Specifications: Condition: Factory new Material: Polymer/alloy Heat deflection temperature:...
    HKP-21387-M
    $198.95
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  • Out Of Stock
    Used - H&K HK UMP .40 - 30 Round Magazine - Used - HKP-20816 HK UMP .40 - 30 Round Magazine - Used

    HK UMP .40 - 30 Round Magazine - Used

    H&K Heckler & Koch

    $49.95
    30 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-20816
    $49.95
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  • Out Of Stock
    Used - KDG HK MR762, HK417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204 Angled view of HK enhanced mag release with extended shaft and textured paddle for improved grip and control

    HK417, MR762, G28 Magazine Release - Ambidextrous

    KDG Kinetic Development Group

    $169.95
    KDG Kinetic Development Group Ambi Magazine Release for HK417, HK MR762, and HK G28 The HK 7.62 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK417 variant rifles.  The mag release is a lever instead...
    HKP-19204
    $169.95
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  • New - H&K HK G36, HK SL8 Magazine Paddle Release - HKP-02152 HK G36, SL8 Paddle Magazine Release
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    HK G36, SL8 Paddle Magazine Release

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Paddle Magazine Release for HK G36 and HK SL8 Compatible With: SL8 G36 G36K G36C
    HKP-02152
    $19.95
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    $19.95
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