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 45mm Picatinny Rail Cover - Black - Universal - HKP-18857 HK 45mm Picatinny Rail Cover - Universal

    HK 45mm Picatinny Rail Cover - Universal

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    H&K 45mm Picatinny Rail Cover - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applications
    Now: $13.46
    Was: $14.95
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    New - H&K HK MR762/417 Magazine Catch Spring - HKP-16520
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    HK417, MR762 Magazine Catch Spring

    H&K Heckler & Koch

    Now: $8.96
    Was: $9.95
    H&K HK MR762/417 Magazine Catch Spring New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK MR762 HK 417 HK G28
    Now: $8.96
    Was: $9.95
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    New - H&K HK MR556/MR762/417/416 Trigger Axle - HKP-16623

    HK416, HK417, MR556, MR762 Trigger Axle

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    H&K HK MR556/MR762/417/416 Trigger Axle Axle for Trigger. Compatible With: HK MR556 HK 416 HK MR762 HK 417
    Now: $17.95
    Was: $19.95
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  • New - Surefire (5.56/.223) Muzzle Brake/Suppressor Adapter - Threaded 1/2x28 - HKP-17378 HK416, MR556 Adapter - Muzzle Brake or Suppressor - 1/2x28
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    HK416, MR556 Adapter - Muzzle Brake or Suppressor - 1/2x28

    Surefire

    $165.00
    Surefire (5.56/.223) Muzzle Brake/Suppressor Adapter - Threaded 1/2x28 The SureFire muzzle brake is designed for M4, M16, HK 416, and MR556 weapons with 1/2-28 muzzle threads. It significantly reduces recoil impulse and muzzle rise, enhancing...
    $165.00
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    New - H&K HK MR556/416 Threaded Pin for Buttstock Insert - HKP-16604 HK416 MR556 Threaded Pin for Buttstock Insert
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    HK416 MR556 Threaded Pin for Buttstock Insert

    H&K Heckler & Koch

    Now: $8.99
    Was: $9.99
    H&K HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. Compatible With: HK MR556 HK 416
    Now: $8.99
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    New - HKP HK MR556/MR762/416/417 Front Diopter Sight - HKP-17716 HK416, MR556, HK417, MR762 Front Diopter Sight

    HK416, MR556, HK417, MR762 Front Diopter Sight

    HKP HK Parts

    Now: $71.96
    Was: $89.95
    HK MR556, HK416 & MR762 & HK 417 Fixed Front Sight Assembly - USNew US Made HK style front fixed sight for use with the rear diopter style rear sight options. Can also be used on some other AR-15/M-16 applications.New US Manufacture. Complete...
    Now: $71.96
    Was: $89.95
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    New - HK G36 Backplate w/ Recoil Buffer - HKP-18538 HK G36 Backplate with Recoil Buffer - US

    HK G36 Backplate with Recoil Buffer - US

    USA

    Now: $40.46
    Was: $44.95
    HK G36 Backplate With Recoil Buffer New G36 Backplate with new G36/SL8 recoil buffer. This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix...
    Now: $40.46
    Was: $44.95
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    New - HK G36/SL8 (5.56/.223) Cocking Handle Axle Pin - HKP-18367 HK G36, SL8 Pin - Axle - Cocking Handle - US
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    HK G36, SL8 Pin - Axle - Cocking Handle - US

    Now: $9.86
    Was: $10.95
    HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 models HK SL8 models
    Now: $9.86
    Was: $10.95
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    New - H&K UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer - HKP-01890 HK UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer
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    HK UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer

    H&K Heckler & Koch

    Now: $8.96
    Was: $9.95
    HK UMP Catch Release Lever Or Trip Lever For All UMP Lowers  
    Now: $8.96
    Was: $9.95
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  • On Sale
    New - H&K USC/UMP (.40 S&W) Extractor - HKP-00264 HK USC/UMP (.40 S&W) Extractor
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    HK USC/UMP (.40 S&W) Extractor

    H&K Heckler & Koch

    Now: $49.46
    Was: $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...
    Now: $49.46
    Was: $54.95
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    New - MFI HK 93/33 (5.56/.223) Low Profile Scope Rail Extended - 8.5 inch - HKP-01829 HK33, HK93 Optic Mount - Low Profile - Extended - 8.5 inch
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    HK33, HK93 Optic Mount - Low Profile - Extended - 8.5 inch

    MFI

    Now: $170.95
    Was: $189.95
    MFI 8.5 Inch Mounting Rail For HK 93, 33, Style Receivers The MFI extended scope rail is a quick and easy solution to add a Picatinny top rail to your HK receiver without modifications. The low-profile rail does not impede the iron sights. The rail uses...
    Now: $170.95
    Was: $189.95
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  • HK21 FMP Complete Build Kit- Non Matching Numbers HK21 FMP Complete Build Kit- Non Matching Numbers
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    HK21 FMP Complete Build Kit- Non Matching Numbers

    FMP HK CONTRACT

    $3,124.97
    HK21 Complete Build Kit- Non Matching Numbers HK Parts brings you another exhaustive parts kit. Our HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. We also included our own hanger with a...
    $3,124.97
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