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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  • On Sale
    New - HKP Short Sleeve Tee Female - OD Green - HKP-21017-M
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    HKP Women's Shirt - Short Sleeve - OD Green

    HKP HK Parts

    Now: $9.99
    Was: $14.95
    HKP Short Sleeve Shirt for Women - OD Green Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...
    HKP-21017-M
    Now: $9.99
    Was: $14.95
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  • On Sale
    New - HKP Short Sleeve Tee Female - Gray - HKP-21020-M
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    HKP Women's Shirt - Short Sleeve - Gray

    HKP HK Parts

    Now: $9.99
    Was: $14.95
    HKP Short Sleeve Shirt for Women in Gray Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...
    HKP-21020-M
    Now: $9.99
    Was: $14.95
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  • On Sale
    Used - HKP MP5 10mm Reverse Stretch Parts Kit - HKP-19818
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    HK MP5 Parts Kit - Reverse Stretch - 10mm

    HKP HK Parts / Heckler & Koch

    Now: $1,749.95
    Was: $1,889.95
    MP5 10mm Reverse Stretch Pistol Build Kit Complete German & USA Made Parts ON SALE WHILE SUPPLIES LAST! MP5 10mm Reverse Stretch parts kit complete with all the parts needed for an MP5 10mm semi-auto pistol. Each kit comes with all 6 of the needed US...
    HKP-19818
    Now: $1,749.95
    Was: $1,889.95
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  • New - HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment - HKP-17848 HK MR556, CR556, MR762 Rail Segment - 20 Slots - H-Key
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    HK MR556, CR556, MR762 Rail Segment - 20 Slots - H-Key

    HKP HK Parts

    $49.95
    HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment 20 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...
    HKP-17848
    $49.95
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  • New - HKP HK MR556/CR556/MR762 H-Key 17 Rail Segment - HKP-17847 HK MR556, MR762 H-Key 17 Rail Segment
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    HK MR556, MR762 H-Key 17 Rail Segment

    HKP HK Parts

    $44.95
    HK MR556, CR556 & MR762 HKey Rail Segment - 17 Slot 17 slot rail segment for the new "HKey" style forearms.  This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...
    HKP-17847
    $44.95
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    $44.95
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  • New - H&K MR556/416 Extended Windowed Handguard - RAL 8K - HKP-17711 HK416, MR556 Handguard - Extended Windowed - RAL8000
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    HK416, MR556 Handguard - Extended Windowed - RAL8000

    H&K Heckler & Koch

    $840.00
    HK416A5, MR556 Extended Windowed Handguard - RAL 8000 HK German HK416 A5 extended handguard with window for use of the suppressed/non-suppressed gas block. This handguard is designed to minimize heat mirage. 14 7/8" long, 1lb, 4oz. Compatible With: HK...
    HKP-17711
    $840.00
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    $840.00
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  • On Sale
    New - H&K HK 416 Commercial OTB Buffer Tube HK E1 Stock Combo - Black - hkp-18361 HK416 E1 Buttstock and Buffer Tube Combo - Commercial OTB
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    HK416 E1 Buttstock and Buffer Tube Combo - Commercial OTB

    H&K Heckler & Koch

    Now: $392.95
    Was: $469.95
    Heckler and Koch's E1 Buttstock and OTB Buffer Tube Combo - Commercial for HK416 Genuine HK416 E1 commercial buttstock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the buttstock...
    HKP-18361
    Now: $392.95
    Was: $469.95
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    Was: $469.95
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  • New - H&K HK G36 Right Side Lower Hammer Spring - HKP-01857
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    HK G36 Hammer Spring - Right Side

    H&K Heckler & Koch

    $8.95
    HK G36 Right Side Lower Hammer Spring  
    HKP-01857
    $8.95
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    $8.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Lower Bolt Carrier Guide - HKP-16500 HK UMP Bolt Carrier Guide
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    HK UMP Bolt Carrier Guide

    H&K Heckler & Koch

    $12.95
    HK German All Steel UMP Carrier Guide This is the steel piece the guides the UMP bolt carrier. Compatible With: All HK UMP lowers
    HKP-16500
    $12.95
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    $12.95
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  • New - RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-02392 HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH
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    HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...
    HKP-02392
    $164.95
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  • Out Of Stock
    New - HKP HK 91/G3 (7.62x51/.308) Complete Semi Bolt Group - HKP-01473 HK91, G3 Complete Semi Bolt Group

    HK91, G3 Complete Semi Bolt Group

    HKP HK Parts

    $339.95
    US Made HK 91/G3 Semi-Auto Bolt Group Complete - New Each bolt group is built using HK factory prints and specs here in the US. As a bonus, each bolt group counts as two US parts for US 922r compliance. Everything you need as a spare or a direct...
    HKP-01473
    $339.95
    Out Of Stock
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    $339.95
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Vinyl Mag Pouch - HKP-16324 HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum
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    HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum

    H&K Heckler & Koch

    $49.95
    H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ New Vinyl Mag Pouch Combo deal: 2 X 20 round aluminum magazines with new green vinyl mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308...
    HKP-16324
    $49.95
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    $49.95
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