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 SL8/G36 Extended Bolt Hold Open Lever - HKP-17719 HK SL8, G36 Bolt Hold Open Lever - Extended
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    HK SL8, G36 Bolt Hold Open Lever - Extended

    H&K Heckler & Koch

    $69.95
    HK SL8 & G36 Extended Bolt Hold Open Lever New HK German SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK bolt hold open lever is a drop in replacement and requires zero gunsmithing...
    HKP-17719
    $69.95
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  • New - HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned - HKP-17945 HK SP5K 9mm Housing - SEF, Navy Style - Clipped and Pinned
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    HK SP5K 9mm Housing - SEF, Navy Style - Clipped and Pinned

    H&K Heckler & Koch

    $199.95
    HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9mm Spec For use with an SEF style trigger pack not the...
    HKP-17945
    $199.95
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  • New - H&K MP5K/SP89/SP5K 9mm Shoulder Rig Lanyard With Ring - HKP-00022 HK MP5K, SP89, SP5K Shoulder Rig Lanyard with Ring - 9mm
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    HK MP5K, SP89, SP5K Shoulder Rig Lanyard with Ring - 9mm

    H&K Heckler & Koch

    $34.95
    HK German MP5K Shoulder Rig Lanyard With Ring For use with all HK shoulder harnesses to quickly deploy the stock when folded. This is the same unit used by the Secret Service and the FBI. Compatible with all MP5K and MP5K-N folding stocks. 
    HKP-00022
    $34.95
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  • Out Of Stock
    New - H&K SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended - HKP-19027 Trigger Housing Long Axle Selector Lever - SEF, 0,1 - Polymer - Extended

    Trigger Housing Long Axle Selector Lever - SEF, 0,1 - Polymer - Extended

    H&K Heckler & Koch

    $74.95
    HK German SEF Extended Axle Selector Lever For Polymer Housings - Extended The HK Extended SEF Long Axle Selector Lever is designed for use with polymer SEF-type grips or trigger housings. This extended lever provides enhanced control and ease of use,...
    HKP-19027
    $74.95
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  • New - Magpul HK G3 / HK 91 PRS Lite Stock - HKP-21170-M HK91, G3 Stock - PRS Lite
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    HK91, G3 Stock - PRS Lite

    Magpul

    $289.95
    Magpul HK G3 / HK 91 PRS Lite Stock New G3 / HK91 PRS Lite stock will allow you to shoot your rifle with comfort while adding some style. We take the PRS Lite stock and attach our HK - AR adapter with a refinished back plate to bring you an assembled...
    HKP-21170-M
    $289.95
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  • New - Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green - HKP-21102 HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
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    HK MP5 Flat Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...
    HKP-21102
    $87.95
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  • New - GSG9 HK SL8, HK G36 Magazine Release Spring - HKP-18254 HK SL8, G36 Magazine Release Spring - US
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    HK SL8, G36 Magazine Release Spring - US

    GSG9

    $4.95
    GSG9 Magazine Release Spring - USA Made for HK G36 and HK SL8 Mag release spring for all G36 and SL8 models. A must have spare part. Made in the USA. G36 G36K SL8 Other custom G36 type builds
    HKP-18254
    $4.95
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  • New - Set of 5 .45 ACP Dummy Rounds - HKP-17384
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    Dummy Rounds - .45 ACP - Set of 5

    Strike Industries

    $8.95
    Set of 5 .45 ACP Dummy Rounds Strike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They also let you dry fire without risking damage to the...
    HKP-17384
    $8.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring - HKP-00262
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    HK UMP, USC Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts.  Compatible with: All HK UMP & USC Firearms
    HKP-00262
    $9.95
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  • Used - H&K 91/G3 (7.62x51/.308) SEF Navy Style Trigger Group HK G3 - Used Excellent - HKP-18670 HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent
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    HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent

    H&K Heckler & Koch

    $389.95
    H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Excellent HK factory German HK G3 & HK 91 Full Auto Trigger Group Complete. Pulled from German military HK G3 rifles. These work great as spares or for collectible items. Used in...
    HKP-18670
    $389.95
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  • New - H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release - HKP-00465 HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece
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    HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece

    H&K Heckler & Koch

    $29.95
    Heckler and Koch Contact Piece for Paddle Magazine Release 5.56 / .223 and 7.62x51 / .308 German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK33, HK53, HK93 HK91, G3, PTR91
    HKP-00465
    $29.95
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  • New - MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German - HKP-00118 HK MP5, MP5K Paddle Mag Release Contact Piece
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    HK MP5, MP5K Paddle Mag Release Contact Piece

    H&K Heckler & Koch

    $59.95
    Heckler and Koch 9mm Contact Piece for Paddle Mag Release for HK MP5 and HK MP5K - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correct, brand-new, latest production German HK 9mm contact piece. Compatible...
    HKP-00118
    $59.95
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