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 MR556/416 DMR Extra Long Forearm - Black - HKP-17683 HK416, MR556 DMR Extra Long Handguard
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    HK416, MR556 DMR Extra Long Handguard

    H&K Heckler & Koch

    $859.95
    HK MR556/416 DMR Extra Long Forearm New Heckler & Koch MR556, HK 416 Extended DMR (designated marksman rifle) Forearm With Suppressor Window Cutout. Optimized design to mitigate the heat emissions for long range shooting and to prevent the mirage...
    HKP-17683
    $859.95
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    $859.95
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  • New - H&K HK MR556/416 Charging Handle Release Latch - HKP-16553 HK416, MR556 Charging Handle Release Latch
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    HK416, MR556 Charging Handle Release Latch

    H&K Heckler & Koch

    $39.95
    H&K HK MR556/416 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to keep on...
    HKP-16553
    $39.95
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    $39.95
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  • New - HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug - HKP-18639 HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug - US
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    HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug - US

    HKP HK Parts

    $299.95
    HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug HKP UMP 3-lug 1/2x28 threaded barrel. This is the perfect replacement for a worn out barrel or as a spare. With the 3-lug attachment point you can attach any suppressor or flash hider that is in-spec or you...
    HKP-18639
    $299.95
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    $299.95
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  • New - HKP MP5 & HK94 Vented Wide Forearm - Vertical - HKP-16856 HK MP5, HK94 Vented Wide Handguard - Vertical
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    HK MP5, HK94 Vented Wide Handguard - Vertical

    HKP HK Parts

    $44.95
    HKP MP5 & HK94 Vented Wide Forearm - Vertical New US manufactured (922r compliant) HK MP5 & HK94 vented wide handguard with the 90 degree vents. This style of venting allows better handling and superior barrel cooling abilities. Available...
    HKP-16856
    $44.95
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    $44.95
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  • New - RCM HK MP5 9mm Barrel - Non-Threaded 3-Lug - HKP-02040 HK MP5 Barrel - 9mm - 8.85" - 3 Lug
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    HK MP5 Barrel - 9mm - 8.85" - 3 Lug

    RCM

    $149.95
    RCM HK MP5 9mm Barrel - Non-Threaded 3-Lug Made from Cold Hammer Forged (CHF) steel, each high-quality barrel is processed with a durable nitride finish, similar to the treatment used by Sig Sauer. Precision-milled to the latest specifications with...
    HKP-02040
    $149.95
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    $149.95
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  • New - HK94, SP89 Original Plastic Grip For Metal Housing - HKP-01423 HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic
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    HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic

    H&K Heckler & Koch

    $49.99
    H&K 94 & SP89 Original Plastic Grip For Metal Housing This original plastic grip is designed for use with metal housing setups. Specifications: Original Plastic Grip Compatible With: HK SP89 HK 94 HK 93
    HKP-01423
    $49.99
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    $49.99
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  • New - CFG MP5, MP5K Low Profile Rear Sight Base Mount - 5 Slot - HKP-18235 HK MP5, MP5K Optic Mount - Low Profile - Rear - Picatinny
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    HK MP5, MP5K Optic Mount - Low Profile - Rear - Picatinny

    CFG

    $99.95
    CFG MP5, MP5K Low Profile Rear Sight Base Mount - 5 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny optic mount to your HK MP5, MP5K firearm...
    HKP-18235
    $99.95
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    $99.95
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  • Used - H&K MP5/SP5K Rear Sight Set Complete-Used - HKP-00671
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    HK MP5/SP5K Rear Sight Set Complete-Used

    H&K Heckler & Koch

    $109.95
    HK German MP5 & HK94 Rear Sight Set Complete - Used Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum with a brand-new German...
    HKP-00671
    $109.95
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    $109.95
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  • HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm
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    HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm

    MKE

    $23.95
    MKE HK MP5 9mm 30 Round Magazine Replacement Parts Kit Replacement magazine parts kit for HK MP5 9mm firearms. Made in Turkey and designed to match factory MP5 specifications. Includes: 30 round magazine spring MP5 magazine follower MP5 magazine floor...
    HKP-99342
    $23.95
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    $23.95
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  • HK417, MR762 Upper Receiver Rod Tool HK417, MR762 Upper Receiver Rod Tool
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    HK417, MR762 Upper Receiver Rod Tool

    MI Midwest Industries

    $159.95
    Midwest Industries Upper Receiver Rod Tool for HK417, MR762 Receiver support rod for HK417 and MR762 upper receivers. Designed to prevent receiver and index-pin damage during barrel nut removal, muzzle device installation, and other high-torque...
    HKP-22353
    $159.95
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    $159.95
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  • New - H&K HK21 50 Round Belt with Starter Tab - HKP-22098 HK21, HK11 Ammunition Belt with Starter Tab - 50 Round
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    HK21, HK11 Ammunition Belt with Starter Tab - 50 Round

    H&K Heckler & Koch

    $39.95
    H&K HK21 50 Round Belt with Starter Tab - 7.62x51/.308 Custom 50 round belt for HK21 and MG3 belt-fed rifles. Compatible With: HK/21/11
    HKP-22098
    $39.95
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  • New - H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only - HKP-17237 HK MP5, 94 Trigger Group - Engraved 3 Position Navy Housing 0,1- Safe, Semi Only
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    HK MP5, 94 Trigger Group - Engraved 3 Position Navy Housing 0,1- Safe, Semi Only

    $749.95
    H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK...
    HKP-17237
    $749.95
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    $749.95
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