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 USC/UMP (.40 S&W) Extractor - HKP-00264 HK USC, UMP Extractor - .40 S&W
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    HK USC, UMP Extractor - .40 S&W

    H&K Heckler & Koch

    $54.95
    HK German UMP Or USC .40 Extractor New HK German factory OEM part. This is a high wear and replacement item as the .40 cal cartridge has a high impulse that results in an increased occurrence of this extractor wearing out and breakage. A must-have...
    HKP-00264
    $54.95
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  • New - HK 21/21E/23E/11 & Barrel Handle - HKP-00244-M HK21, HK21E, HK23E, HK11A1 Barrel Handle
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    HK21, HK21E, HK23E, HK11A1 Barrel Handle

    Michaels Machines

    $74.95
    HK 21, 21E, 23E, HK11 Barrel Handle US-made barrel handle.  A great alternative for the original barrel handles that are no longer in production. Available in black or OD green and compatible with 5.56 and .308 platforms. Compatible...
    HKP-00244-M
    $74.95
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  • New - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - HKP-01757 HK91, G3 SEF Navy Style Trigger Housing - Push Pin
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    HK91, G3 SEF Navy Style Trigger Housing - Push Pin

    H&K Heckler & Koch

    $74.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin This German-made Heckler & Koch housing comes in black polymer. This part is compatible with all push pin G3 style firearms. It can also be used for other...
    HKP-01757
    $74.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - OD Green - Surplus - HKP-18932 HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - OD Green - Surplus
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    HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - OD Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - OD Green - Surplus Used Olive Drab green German surplus stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...
    HKP-18932
    $129.95
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  • Out Of Stock
    New - PTR HK 91/G3 (7.62x51/.308) Extractor - HKP-16222 HK91, G3 Extractor

    HK91, G3 Extractor

    PTR

    $30.99
    PTR HK 91/G3 (7.62x51/.308) Extractor  US Made by PTR. Made from stainless steel. Compatible With: HK G3 PTR 7.62 X 51mm models
    HKP-16222
    $30.99
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  • New - Full AutoTrigger Pack Elbow Spring W/ Roller - HKP-02438 HK MP5, HK91, G3 Elbow Spring with Roller - Trigger Pack - Full Auto
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    HK MP5, HK91, G3 Elbow Spring with Roller - Trigger Pack - Full Auto

    H&K Heckler & Koch

    $44.95
    Full AutoTrigger Pack Elbow Spring W/ Roller This item is a factory HK German replacement part.
    HKP-02438
    $44.95
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  • New - Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308 - HKP-16908 Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308 Magpul HKP-16908
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    Magpul M3 PMAG Magazine - 7.62x51 / .308 - 25 Round

    Magpul

    $24.95
    Magpul PMAG 25-LR 25-Round 7.62 NATO Magpul M3 PMAG for SR25/M110 pattern rifles.  Features a true 25-round capacity, constant-curve body, and snap-on impact/dust cover. Designed specifically for military-issue MK11/M110 rifles and mil-spec...
    HKP-16908
    $24.95
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    $24.95
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  • On Sale
    New - HKP AR-15 California Legal Mag Lock Kit - HKP-15409 HKP AR-15 Califonia Legal Mag Lock Kit HKP HK Parts HKP-15409
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    AR-15 Magazine Lock Kit - California Legal

    HKP HK Parts

    Now: $7.95
    Was: $19.95
    HKP AR-15 California Legal Mag Lock Kit
    HKP-15409
    Now: $7.95
    Was: $19.95
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  • On Sale
    New - Picatinny to Harris Bipod Adapter - Universal - HKP-21528 Harris Bipod Adapter - Picatinny - US
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    Harris Bipod Adapter - Picatinny - US

    HKP HK Parts

    Now: $9.95
    Was: $33.95
    Harris Bipod Adapter  This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-mounting bipods. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and...
    HKP-21528
    Now: $9.95
    Was: $33.95
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    Was: $33.95
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  • Used - H&K HK G3 & HK91 Buffer Spring - Surplus - HKP-20319 HK91, G3 Buffer Spring - Surplus
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    HK91, G3 Buffer Spring - Surplus

    H&K Heckler & Koch

    $4.95
    HK G3, 91 Buffer Spring - Surplus This is the factory buffer spring for the rear stock buffer found on the G3, HK91, 93 A2 style stocks. This is a used excellent shape spring. A great replacement to have on hand for your worn out buffer spring...
    HKP-20319
    $4.95
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    $4.95
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  • New - Streamlight TLR-4 Tactical Light & Laser Combo - Red - HKP-08538 Light and Laser Mount - Tactical TLR-4 - Red
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    Light and Laser Mount - Tactical TLR-4 - Red

    Streamlight

    $209.95
    Streamlight TLR-4 Tactical Light & Laser Combo - Red Features: Features C4 LED technology and a 640-660nm red laser 5300-candela peak beam intensity; 170 lumens Runs 1.5 hours to the 10% output level (LED only or LED and laser); 11 hours...
    HKP-08538
    $209.95
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  • New - H&K HK MR556/MR762/416/417 Disconnector - HKP-02674
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    HK416, MR556, HK417, MR762 Disconnector

    H&K Heckler & Koch

    $18.95
    Heckler and Koch HK416, MR556, HK417, MR762 Disconnector for Lower New HK German manufactured part. This is the latest generation of HK disconnector for the HK MR and HK HK416 and HK417 family of firearms. Compatible With: HK416, MR556 HK417,...
    HKP-02674
    $18.95
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    $18.95
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