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 - RCM HK MP5N 9mm Barrel - Threaded 1/2x32 - 3-Lug - HKP-16967 HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x32 with 3 Lug
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    HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x32 with 3 Lug

    RCM

    $179.95
    RCM HK MP5N 9mm Barrel - Threaded 1/2x32 - 3-Lug This MP5N barrel delivers exceptional value, crafted from premium Cold Hammer Forged Steel and treated with a durable nitride process. It easily accommodates suppressors and other muzzle attachments. Brand...
    HKP-16967
    $179.95
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    $179.95
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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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  • Out Of Stock
    New - Ergo KeyMod Hand Stop - HKP-17885

    Ergo KeyMod Handstop

    Ergo

    $51.95
    KeyMod Hand Stop/Barricade Stop in Black Aggressive textured front for enhanced traction on barricades and obstacles Features: Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Compatible With: All KeyMod style...
    HKP-17885
    $51.95
    Out Of Stock
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    $51.95
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  • New - H&K 3 Position Ambidextrous Selector Lever - BURST ONLY - HKP-01294 HK MP5, HK94 Selector Lever - Burst Ambi 3 position - Right Side ONLY - BURST ONLY
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    HK MP5, HK94 Selector Lever - Burst Ambi 3 position - Right Side ONLY - BURST ONLY

    H&K Heckler & Koch

    $99.47
    H&K 3 Position Ambidextrous Selector Lever - BURST ONLY This selector lever will convert any 4 position 0, 1, 2, F or 0, 1, 3, F trigger group to non-full auto BURST capability only, making the rotation 3 position instead of 4 position. This selector...
    HKP-01294
    $99.47
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    $99.47
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  • On Sale
    HK91, G3 A2 Stock - Tan - Saudi Contract - Rare HK91, G3 A2 Stock - Tan - Saudi Contract - Rare
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    HK91, G3 A2 Stock - Tan - Saudi Contract - Rare

    Other

    Now: $168.95
    Was: $279.95
    VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan. Don't miss your chance to get a rare contract G3 stock assembly in this condition. Compatible With: HK91, G3 In spec. clones and custom builds THIS...
    HKP-99424
    Now: $168.95
    Was: $279.95
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    Now: $168.95
    Was: $279.95
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  • HK416, MR556 2-Stage Trigger - Full-Auto HK416, MR556 2-Stage Trigger - Full-Auto
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    HK416, MR556 2-Stage Trigger - Full-Auto

    H&K Heckler & Koch

    $449.95
    HK416, MR556 2-Stage Trigger - Full-Auto Factory HK 2-stage full-auto HK416 trigger. Compatible with semi-auto HK416's and MR556's. We have a small number of these triggers and HK will not be importing any more units from Germany.  Once these...
    HKP-22423
    $449.95
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  • M-LOK Angled Foregrip - Walnut M-LOK Angled Foregrip - Walnut
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    M-LOK Angled Foregrip - Walnut

    JMK

    $43.95
    JMK Angled foregrip M-LOK - Walnut JMK's M-LOK covers feature an integrated hand stop to ensure a secure grip during use. They are an excellent choice for pairing with JMK M-LOK Covers, providing your build with a high-quality finish. These covers are...
    HKP-22405-M
    $43.95
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    $43.95
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  • Rail Panel Cover - M-LOK - 3 Slot Rail Panel Cover - M-LOK - 3 Slot
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    Rail Panel Cover - M-LOK - 3 Slot

    JMK

    $18.95 - $23.95
    JMK Rail Panel Cover - M-LOK - 3 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22403-M
    $18.95 - $23.95
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  • Arm Brace Hook Arm Brace Hook
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    Arm Brace Hook

    MI Midwest Industries

    $97.95
    Midwest Industries Arm Brace Hook The Arm Brace Hook is designed for pistols that use a 1.2" diameter buffer tube. It provides a secure and stable point of contact while offering a built-in, ambidextrous QD sling interface. Specifications: Works...
    HKP-22417
    $97.95
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    $97.95
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  • New - MKE 90 Series Sear & Trigger Axle - HKP-22233 MKE 90 Series Sear & Trigger Axle MKE HKP-22233
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    HK90 Series Trigger and Catch Axle - USA

    MKE

    $1.99
    HK Sear and Trigger Axle For 90 Series - SURPLUS MKE sear and trigger axle for the 90 series style trigger packs. Each axle pin (aka pivot pin) measures .197 inches (5.0mm). Each HK trigger pack uses a total of 2 of these axle pins per trigger pack...
    HKP-22233
    $1.99
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    $1.99
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  • On Sale
    HK G36 Magazine - 30 Round - LEO Marked - USED - BLEMISHED Used - H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - BLEMISHED - HKP-22212-B
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    HK G36 Magazine - 30 Round - LEO Marked - USED - BLEMISHED

    H&K Heckler & Koch

    Now: $119.95
    Was: $195.99
    H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - BLEMISHED BROKEN COUPLERS AND LUGS - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...
    HKP-22212-B
    Now: $119.95
    Was: $195.99
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    Now: $119.95
    Was: $195.99
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  • Out Of Stock
    On Sale
    Used - HK UMP 3 Position Lower Grip Frame - Black - RARE - USED - HKP-99274 HK UMP 3 Position Lower Grip Frame - Black - RARE - USED

    HK UMP 3 Position Lower Grip Frame - Black - RARE - USED

    HKP HK Parts

    Now: $449.95
    Was: $699.95
    HK UMP 3 Position Lower Grip Frame - Black - RARE - USED   ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used UMP Lower...
    HKP-99274
    Now: $449.95
    Was: $699.95
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    Now: $449.95
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