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 HK MR556 A4 13.4" Handguard - HKP-21935 HK MR556 A4 Handguard - 13.4"

    HK MR556 A4 Handguard - 13.4"

    H&K Heckler & Koch

    $299.99
    H&K HK MR556 A4 13.4" Handguard This handguard is expertly engineered for precision and adaptability, featuring a robust Picatinny rail at the 12 o'clock position that guarantees seamless mounting of optics and accessories. With M-LOK slots...
    HKP-21935
    $299.99
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  • New - HKP UMP/USC Extended Handguard - HKP-21679 HK UMP, USC Extended Handguard
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    HK UMP, USC Extended Handguard

    HKP HK Parts

    $249.95
    HKP UMP/USC Extended Handguard - Black Cerakote The HK Parts UMP extended handguard is the ultimate choice for your UMP or USC. M-LOK attachment points and a robust picatinny rail on the extended section provide accessory mounting points for any loud-out...
    HKP-21679
    $249.95
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  • New - Strike Industries HK MP5 Dual Folding Stabilizer with Adapter - HKP-21655-M HK MP5 Dual Folding Stabilizer - With Adapter - OD Green
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    HK MP5 Dual Folding Stabilizer - With Adapter - OD Green

    HKP HK Parts / Strike Industries

    $319.95
    Strike Industries Dual Folding Stabilizer with HKP MP5 Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...
    HKP-21655-M
    $319.95
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  • On Sale
    New - HKP HK21 Drum Hanger & H&K 100rd Drum - HKP-21633 HK21 Drum Hanger and100rd Drum
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    HK21 Drum Hanger and100rd Drum

    HKP HK Parts

    Now: $389.95
    Was: $435.95
    HKP HK21 Drum Hanger with H&K 100 Round Drum Complete your HK21 or FMP21 build with our HKP drum hanger and H&K original 100-round drum.  Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and...
    HKP-21633
    Now: $389.95
    Was: $435.95
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    Was: $435.95
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  • New - Omega HK UMP Cocking Handle Assembly - HKP-21271
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    HK UMP Cocking Handle - Assembly

    OMEGA

    $34.95
    Omega USC/UMP Cocking Handle Assembly   Omega UMP cocking handle assembly is a great complete replacement for broken or worn out cocking handle assemblies. Everything you need for a complete replacement. US made by Omega. UMP cocking handle assembly...
    HKP-21271
    $34.95
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  • New - HKP 10 Round MP5 .22LR Magazine Spring - HKP-20297
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    HK MP5 Magazine Spring - .22LR - 10 Round

    HKP HK Parts

    $3.95
    HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...
    HKP-20297
    $3.95
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  • Out Of Stock
    New - DTAC HK93/33/G3K M-LOK Modular Handguard - HKP-20015 HK33, HK93, G3K M-LOK Modular Handguard

    HK33, HK93, G3K M-LOK Modular Handguard

    DTAC Dakota Tactical

    $189.95
    DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this one-piece main body provides a rigid mounting platform...
    HKP-20015
    $189.95
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  • Used - H&K 10 Round HK 91, G3, PTR .308 Magazine - Used - HKP-19887 HK91, G3 Magazine - .308 - 10 Round - Used
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    HK91, G3 Magazine - .308 - 10 Round - Used

    H&K Heckler & Koch

    $64.95
    H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20 round magazines are to long and get...
    HKP-19887
    $64.95
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  • New - HKP, H&K HK MP5 German Folding Stock w/ HK Parts Adapter - HKP-19453 HK MP5 Folding Stock with HK Parts Adapter
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    HK MP5 Folding Stock with HK Parts Adapter

    HKP HK Parts / Heckler & Koch

    $269.95
    German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...
    HKP-19453
    $269.95
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  • New - H&K HK MR762/417/G28 Receiver End Plate - HKP-16610 HK417, MR762, G28 Receiver End Plate
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    HK417, MR762, G28 Receiver End Plate

    H&K Heckler & Koch

    $24.95
    H&K HK MR762/417/G28 Receiver End Plate New HK German factory. Compatible With: HK MR762 HK 417 HK G28
    HKP-16610
    $24.95
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  • New - H&K HK USP Lanyard Loop Insert Pin - HKP-01930
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    HK USP Lanyard Loop Insert Pin

    H&K Heckler & Koch

    $19.95
    HK USP Lanyard Loop Insert Pin   Compatible With: HK USP 9mm HK USP 40 HK USP 45  
    HKP-01930
    $19.95
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  • Out Of Stock
    New - Troy Industries Rear Battle Sight - Black - HKP-00032 Battle Sight - Rear

    Battle Sight - Rear

    Troy Industries

    $129.95
    Troy Industries Rear Battle Sight Durability and dead-on accuracy have made the Troy Industries Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Easy to install and deploy, with no levers or springs to fumble...
    HKP-00032
    $129.95
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