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 - H&K MP5 40/10 Standard 8mm Roller - HKP-00338 HK MP5 Roller - Standard 8mm - .40 S&W, 10mm
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    HK MP5 Roller - Standard 8mm - .40 S&W, 10mm

    H&K Heckler & Koch

    $20.95
    HK German MP5 40/10 8mm Roller - Factory New Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a...
    HKP-00338
    $20.95
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    $20.95
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  • New - HKP MP5 9mm Reverse Stretch Pistol Build Kit - Complete - HKP-17121
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    HK MP5 Parts Kit - Reverse Stretch Pistol - 9mm

    HKP HK Parts

    $1,679.95
    MP5 Reverse Stretch 9mm Pistol Build Kit Complete - German & USA Made Parts MP5-RS 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol,...
    HKP-17121
    $1,679.95
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    $1,679.95
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  • New - H&K MP5 9mm Grenade Launcher Attachment - 3-Lug - HKP-16975 HK MP5 9mm Grenade Launcher Attachment - 3-Lug
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    HK MP5 9mm Grenade Launcher Attachment - 3-Lug

    H&K Heckler & Koch

    $149.95
    H&K MP5 9mm Grenade Launcher Attachment - 3-Lug   This is a rare part and hard to come by. Perfect for MP5 9mm series.   Specifications: 3-Lug Compatible With: HK MP5/MP5K HK SP5/SP5K HK 94
    HKP-16975
    $149.95
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    $149.95
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  • On Sale
    New - Magpul M-LOK Bipod Mount - HKP-17269
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    M-LOK Bipod Mount

    Magpul

    Now: $19.95
    Was: $29.95
    Magpul M-LOK Bipod Mount The Magpul M-LOK Bipod Mount allows for the attachment of Harris®-style stud mounted bipods to M-LOK compatible hand guards and forends. The M-LOK Bipod Mount offers a low-profile, robust, and elegant mounting solution for...
    HKP-17269
    Now: $19.95
    Was: $29.95
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  • HK UMP, USC Recoil Rod Spring - Enhanced
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    HK UMP, USC Recoil Rod Spring - Enhanced

    HKP HK Parts

    $11.95
    HKP Enhanced Recoil Rod Spring for HK UMP, USC Upgrade or replace your UMP recoil system with HKP's enhanced heavy recoil rod spring from HK Parts. This spring is approximately 10 percent stronger than a standard recoil spring, making it ideal for...
    HKP-22507
    $11.95
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    $11.95
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  • HK416, MR556 Upper Receiver - Stripped - No Forward Assist HK416, MR556 Upper Receiver - Stripped - No Forward Assist
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    HK416, MR556 Upper Receiver - Stripped - No Forward Assist

    H&K Heckler & Koch

    $489.99
    HK416, MR556 Upper Receiver - Stripped - No Forward Assist Genuine HK HK416 upper receiver designed for HK416 and MR556 rifle platforms. This stripped receiver does not include a forward assist or ejection port door. Compatible With HK416, MR556 MR223
    HKP-22506
    $489.99
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    $489.99
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  • On Sale
    HK MP5, AP5 Cocking Handle - BLEMISHED HK MP5, AP5 Cocking Handle - BLEMISHED
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    HK MP5, AP5 Cocking Handle - BLEMISHED

    MKE

    Now: $9.95
    Was: $17.95
    MKE AP5, HK MP5 Cocking Handle - BLEMISHED MARKINGS ON AXLE - DENTS ON BODY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory-style cocking handle for...
    HKP-99374
    Now: $9.95
    Was: $17.95
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  • Out Of Stock
    Surefire M900V LED Weapon Light with Vertical Grip - Used Surefire M900V LED Weapon Light with Vertical Grip - Used

    Surefire M900V LED Weapon Light with Vertical Grip - Used

    Surefire

    $199.95
    Picatinny Mounted VFG Weapon Light - White and IR Output A rugged, dual-output vertical foregrip light engineered for professional applications. This Vampire-series unit delivers powerful white-light illumination, infrared capability, and intuitive...
    HKP-99347
    $199.95
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  • On Sale
    Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED FA Franklin Armory HKP-18881-B Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED FA Franklin Armory HKP-18881-B
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    CZ Scorpion Binary Trigger - Curved - BFSIII - BLEMISHED

    FA Franklin Armory

    Now: $349.99
    Was: $495.95
    Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...
    HKP-18881-B
    Now: $349.99
    Was: $495.95
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  • On Sale
    MKE HK MP5/AP5 End Cap Complete MKE HKP-22258 MKE HK MP5/AP5 End Cap Complete MKE HKP-22258
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    HK MP5, AP5 End Cap - Complete

    MKE

    Now: $64.95
    Was: $89.95
    MKE HK MP5/AP5 End Cap Complete Replacement end cap made by MKE on HK tooling. This robust all-steel end cap is a superior upgrade from the standard polymer options. It not only features an integrated H buffer for enhanced performance but also includes a...
    HKP-22258
    Now: $64.95
    Was: $89.95
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    Now: $64.95
    Was: $89.95
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  • New - B&T HK MP5K Adapter for Folding Stock - HKP-22081 HK MP5K Adapter - Folding Stock
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    HK MP5K Adapter - Folding Stock

    B&T Brugger & Thomet

    $160.00
    B&T HK MP5K Adapter for Folding Stock Upgrade your MP5K platform with precision Swiss engineering. The B&T (Brügger & Thomet) HK MP5K Adapter for Folding Stock is designed to provide a secure and reliable mounting interface for...
    HKP-22081
    $160.00
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    $160.00
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  • On Sale
    New - HK MP5 QD End Cap with Buffer - Black - BLEMISHED - HKP-20118-B HK MP5 QD End Cap with Buffer - Black - BLEMISHED
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    HK MP5 QD End Cap with Buffer - Black - BLEMISHED

    HKP HK Parts

    Now: $49.95
    Was: $99.95
    HK MP5 QD End Cap with Buffer - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With this MP5 QD end cap upgrade you will get a heavier buffer...
    HKP-20118-B
    Now: $49.95
    Was: $99.95
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    Now: $49.95
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