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 10 Round HK MR762/417 7.62/.308 Magazine - Black - HKP-02590 HK417, MR762 Magazine - 10 Round
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    HK417, MR762 Magazine - 10 Round

    H&K Heckler & Koch

    $59.00
    Heckler and Koch HK MR762, HK417 10 Round Magazine - German HK Genuine HK German 10 round MR762 magazine. Compatible With: MR 762 HK 417 HK G28
    HKP-02590
    $59.00
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    $59.00
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  • New - HKP HK MP5 .22LR Forearm - M-LOK - HKP-21260-M HK MP5 .22LR Handguard - M-LOK
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    HK MP5 .22LR Handguard - M-LOK

    HKP HK Parts

    $169.95
    HKP HK Parts and Heckler and Koch M-LOK Forearm for HK MP5 .22LR  HK Parts brings you a long overdue option for all the MP5 .22LR owners. Our new forearm takes the classic MP5 plastic forearm aesthetics from the MP5 .22LR and combine it with M-LOK...
    HKP-21260-M
    $169.95
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    $169.95
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  • Used - HK MP5, HK SP5 Rear Sight Sets Complete - HKP-19365
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    HK MP5, SP5 Rear Sight Set, Complete

    H&K Heckler & Koch

    $79.95
    MP5, HK94 and SP5K Rear Sight Set Complete - US and Germany Each rear sight set includes the entire rear sight assembly and all the mounting hardware for the complete MP5 rear sight assembly. All parts are German HK manufacture with the exception of the...
    HKP-19365
    $79.95
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  • Out Of Stock
    New - RCM MP5SD 9mm Locking Piece - 120 Degree - HKP-16715 HK MP5SD Locking Piece #5 - 120 Degree - 9mm

    HK MP5SD Locking Piece #5 - 120 Degree - 9mm

    RCM

    $34.95
    MP5SD 120 Degree Locking Piece - US This locking piece is a US made version of the factory German MP5SD 120 degree locking piece. This was the German locking piece that was marked #5 when HK Germany used to make them. Each locking piece is made here in...
    HKP-16715
    $34.95
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  • New - H&K UMP (.45 ACP) 25 Round Magazine - HKP-00605 HK UMP Magazine - 25 Round - .45 ACP
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    HK UMP Magazine - 25 Round - .45 ACP

    H&K Heckler & Koch

    $145.95
    New HK Heckler and Koch Non-LE, Mil Marked .45 ACP 25 Round Magazine for HK UMP The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible With: HK UMP .45 HK USC to UMP . 45...
    HKP-00605
    $145.95
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  • Out Of Stock
    New - B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach - HKP-16902 HK MP5, MP5K, APC Flash Hider - 3 Lug - Quick Detach - 9mm

    HK MP5, MP5K, APC Flash Hider - 3 Lug - Quick Detach - 9mm

    B&T Brugger & Thomet

    $135.00
    B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach This flash hider slips over the end of the 3-lug barrel and with a light push and a 1/4 turn the flash hider attaches to the end of the tri-lug. Easy off and on installation and removal with a...
    HKP-16902
    $135.00
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    $135.00
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  • Out Of Stock
    New - HKP HK SL8 & HK G36 Top Rail Screw - HKP-20330 HK SL8, G36 Top Rail Screw

    HK SL8, G36 Top Rail Screw

    HKP HK Parts

    $5.95
    HK SL8 & G36 Top Rail Screw  This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...
    HKP-20330
    $5.95
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  • New - HKP MP5 A3 Retractable Stock Buffer - HKP-18160
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    HK MP5 A3 Retractable Stock Buffer

    HKP HK Parts

    $6.74
    MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable Stocks The A3 stock buffer is a high wear and common replacement items that does need to be replaced when they become torn, cracked, brittle, discolored & worn. These units are made from...
    HKP-18160
    $6.74
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  • New - HKP MP5, HK94 & SP5K Rear Sight Drum & Base - HKP-17512 HK MP5, HK94, SP5K Rear Sight Drum and Base - US
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    HK MP5, HK94, SP5K Rear Sight Drum and Base - US

    HKP HK Parts

    $53.47
    HKP HK Parts Rear Sight Drum and Base for HK MP5, HK94, and HK SP5K Finally, an affordable factory correct rear sight that does not break the bank or lead to settling for inferior 3rd world produced pot metal cast MP5 rear sights. We offer the only set...
    HKP-17512
    $53.47
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  • New - Magpul HK MP5K, HK SP5K, HK SP89 SL Hand Guard - Black - HKP-19310 HK MP5K, SP5K, SP89 Handguard with Handstop - SL
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    HK MP5K, SP5K, SP89 Handguard with Handstop - SL

    Magpul

    $47.45
    Magpul HK MP5K, HK SP5K, HK SP89 SL Handguard The Magpul SL Handguard for the SP89/MP5K/SP5K is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics, anti-slip texturing,...
    HKP-19310
    $47.45
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  • New - MP5 40/10 Extractor Spring - HKP-00409 HK MP5 Extractor Spring - .40 S&W, 10mm, .357 SIG
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    HK MP5 Extractor Spring - .40 S&W, 10mm, .357 SIG

    USA

    $9.95
    US Made Extractor Spring for HK MP5 .40 S&W, 10mm, and .357 The extractor spring is the most common wear item on an MP5 and a must-have spare and replacement part. HK Germany no longer makes the MP5 40,10 extractor spring, and they are no longer...
    HKP-00409
    $9.95
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    $9.95
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  • New - RCM MP5K/SP89 9mm Full Auto Bolt Carrier - HKP-01190 HK MP5K, SP89 Bolt Carrier - Full Auto - 9mm - USA
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    HK MP5K, SP89 Bolt Carrier - Full Auto - 9mm - USA

    RCM

    $149.95
    MP5K Full Auto Bolt Carrier - US- Made - RCM This part is machined from billet ordnance steel. Our US-made MP5K carrier is made to the most updated and latest MP5K F specs. Tungsten filled, heat treated, and factory fresh production. Providing the finest...
    HKP-01190
    $149.95
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    $149.95
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