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 - MFI GSG-5/GSG-522/GSG-5PK Scope Mount - HKP-01545 HK MP5, GSG-5, GSG-522, GSG-5PK Optic Mount
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    HK MP5, GSG-5, GSG-522, GSG-5PK Optic Mount

    MFI

    Now: $98.95
    Was: $109.95
    MFI HK Low Profile Scope Mount  The MFI low profile scope mount was designed exclusively for the GSG-5, Umarex, and HK MP5 .22 models. The MFI mount takes less than 3 minutes to mount on your rifles or pistols.  Compatible With: GSG-5,...
    Now: $98.95
    Was: $109.95
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    Now: $98.95
    Was: $109.95
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  • On Sale
    New - HKP HK 21 (7.62x51/.308) Extended Style Cocking Handle - HKP-00363 HK21 Cocking Handle - Extended Style
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    HK21 Cocking Handle - Extended Style

    HKP HK Parts

    Now: $55.96
    Was: $69.95
    HK Extended Cocking Handle - HK21 Rubberized extended cocking handles for the older style HK21 firearms. This extended cocking handle makes a HUGE difference when trying to charge the HK21 firearm, as it has increased spring pressure and can be a pain to...
    Now: $55.96
    Was: $69.95
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    On Sale
    New - B&T 25 Round BT APC45 Magazine - Black - HKP-17438 B&T APC45, SPC45, GHM45 Magazine - 25 Round

    B&T APC45, SPC45, GHM45 Magazine - 25 Round

    B&T Brugger & Thomet

    Now: $130.50
    Was: $145.00
    B&T .45 ACP 25 Rounds Magazine B&T's APC45 replacement magazines are the same straight-body stick mags that ship with new B&T firearms. These high quality factory magazines hold 25 rounds of .45 ACP ammunition. Specifications: Factory...
    Now: $130.50
    Was: $145.00
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  • On Sale
    HK MP5, MP5K Magazine - 20 Round Mora Arms HKP-22361 HK MP5, MP5K Magazine - 20 Round Mora Arms HKP-22361
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    HK MP5, MP5K Magazine - 20 Round

    Mora Arms

    Now: $26.95
    Was: $29.95
    Mora Arms HK MP5, MP5K Magazine - 20 Round 20-round curved steel magazine for MP5 platforms. Compatible With:  HK MP5, SP5 HK MP5K, SP5K HK SP89 HK 94 Clones and Custom Builds
    Now: $26.95
    Was: $29.95
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  • On Sale
    New - AIM Sports Low Profile Red/Green Dot Micro Sight - HKP-16209 AIM Sports Low Profile Red/Green Dot Micro Sight
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    AIM Sports Low Profile Red/Green Dot Micro Sight

    AIM

    Now: $53.96
    Was: $59.95
    Micro Red Dot Low Profile Sight With Green & Red Dot Option For those that require a good, reliable, well made optic without the name brand or heavy price tag, this is an outstanding choice. This micro optic is rated for anything from .22 all they...
    Now: $53.96
    Was: $59.95
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  • On Sale
    New - H&K SL8 (5.56/.223) 10 Round Factory Magazine - HKP-00276 HK SL8 (5.56/.223) 10 Round Factory Magazine
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    HK SL8 (5.56/.223) 10 Round Factory Magazine

    H&K Heckler & Koch

    Now: $59.36
    Was: $65.95
    HK German 10-Round Magazine For The SL8-1 & SL8 Firearms. Made in Germany and factory fresh.
    Now: $59.36
    Was: $65.95
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    Was: $65.95
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  • On Sale
    New - HK G36K/G36C Tri Rail Set Complete - Black - HKP-00272 HK G36C, G36K Tri-Rail Set - Complete
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    HK G36C, G36K Tri-Rail Set - Complete

    UTG

    Now: $58.46
    Was: $64.95
    UTG 1 Long and 2 Short Rail Rail Set for HK G36C, G36K, G36 .22LR Three-piece Picatinny rail set for G36-pattern handguards or forearms with built-in rail mounting points. Includes bottom, left, and right aluminum rails, along with mounting screws and...
    Now: $58.46
    Was: $64.95
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    Was: $64.95
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  • On Sale
    New - Choate MP5 Replacement Buffer For Folding Stock Or End Cap - HKP-00116
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    HK MP5 Replacement Buffer For Folding Stock Or End Cap

    Choate

    Now: $3.56
    Was: $3.95
    Choate MP5 Replacement Buffer For Folding Stock Or End Cap   Compatible With: Choate MP5 and MP5K Stocks or End Caps (NOT compatible with MP5 .22 LR)
    Now: $3.56
    Was: $3.95
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    On Sale
    New - Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green - HKP-20452 Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green

    Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green

    Blitzkrieg Components

    Now: $51.29
    Was: $56.99
    Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The luminescent green chevron stripe...
    Now: $51.29
    Was: $56.99
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  • On Sale
    New - B&T HK MP5 .22 LR Folding Stock - HKP-20166 HK MP5 .22 LR Folding Stock
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    HK MP5 .22 LR Folding Stock

    B&T Brugger & Thomet

    Now: $224.95
    Was: $249.95
    B&T Folding Stock for MP5 .22 LR Swiss made B&T folding stock for the MP5 22 LR. This is a military grade stock section as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law enforcement and military units around the...
    Now: $224.95
    Was: $249.95
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    Now: $224.95
    Was: $249.95
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  • On Sale
    New - GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black - HKP-00794 GSG  22 Round GSG-5/GSG-16 .22LR Magazine
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    GSG 22 Round GSG-5/GSG-16 .22LR Magazine

    GSG German Sports Guns

    Now: $26.95
    Was: $29.95
    GSG 22 Round GSG-5/GSG-16 .22LR Magazine The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish.  Compatible With: GSG-16 GSG5 GSG522 GSG5PK GSG-16PK  Please...
    Now: $26.95
    Was: $29.95
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  • On Sale
    New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Rear Stock Buffer With All Mounting Hardware - HKP-00362 HK33, HK53, HK93, HK91, G3 Complete Stock Buffer Assembly
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    HK33, HK53, HK93, HK91, G3 Complete Stock Buffer Assembly

    H&K Heckler & Koch

    Now: $22.45
    Was: $24.95
    HK33, HK53, HK93, HK91, G3 Complete Stock Buffer Assembly - All Mounting Hardware Each unit comes with all of the mounting hardware for installing the G3 buffer to your backplate assembly. Also fits the HK93, 33, and 53 fixed stocks as well (use the same...
    Now: $22.45
    Was: $24.95
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    Now: $22.45
    Was: $24.95
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