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 - Bore Boss Pull-Through Bore Cleaner - .30 /.308 /7.62mm - HKP-19399 Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30
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    Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30

    Real Avid

    $10.95
    Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The...
    HKP-19399
    $10.95
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  • New - HK G36/SL8 (5.56/.223) Ejector Spring - HKP-18374 HK G36, SL8 Ejector Spring
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    HK G36, SL8 Ejector Spring

    USA

    $19.95
    HK G36 & SL8 Series Of Ejector Spring. Great item to have on hand as this is prone to wear and breakage- US.
    HKP-18374
    $19.95
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  • Out Of Stock
    New - HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear - HKP-01847 HK UMP, USC, G36, SL8 Sear - 9mm, .40 S&W, .45 ACP,  5.56 / .223

    HK UMP, USC, G36, SL8 Sear - 9mm, .40 S&W, .45 ACP, 5.56 / .223

    HKP HK Parts

    $49.95
    Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...
    HKP-01847
    $49.95
    Out Of Stock
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  • New - H&K 93/53/33 (5.56/.223) Backplate - Parkerized - HKP-16252 HK33, HK53, HK93 Backplate - Parkerized
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    HK33, HK53, HK93 Backplate - Parkerized

    H&K Heckler & Koch

    $64.95
    Steel Back Plate For HK93, 33, 53 & MP5, 94- Parkerized Finish HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly parkerized.  Derived from a German HK91 backplate and using factory tooling,...
    HKP-16252
    $64.95
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  • New - XS Sight Systems Front Night Sight - HKP-02066 HK MP5, HK90 Series Front Sight Post - Night Sight
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    HK MP5, HK90 Series Front Sight Post - Night Sight

    XS Sights

    $92.99
    XS Sights Night Sight Front Sight Post with the Standard Dot Size This part works wonders in low-light situations and tactical environments. This is simply the best front-sight post you can get for your HK. Because of the reach of the MP5 and...
    HKP-02066
    $92.99
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  • New - HKP MP5 & MP5K 9mm Ambidextrous 0,1 Trigger Pack - Match - hkp-18424 HK MP5, MP5K 9mm Ambidextrous 0,1 Trigger Pack - Match
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    HK MP5, MP5K 9mm Ambidextrous 0,1 Trigger Pack - Match

    HKP HK Parts

    $579.95
    HKP/H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Match Trigger Pack We have one of the best HK gunsmiths in the country that is able to take hand picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most...
    HKP-18424
    $579.95
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  • New - H&K German Red Handled Rear Sight Adjustment Tool - HKP-00080 HK Rear Sight Adjustment Tool - Red Handle
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    HK Rear Sight Adjustment Tool - Red Handle

    H&K Heckler & Koch

    $123.95
    H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...
    HKP-00080
    $123.95
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  • New - H&K Ambidextrous Left Side Extended ESSL 4 Position Burst - HKP-00126
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    HK MP5 Selector Lever - Left Side - Extended 4 Position Ambi - ESSL

    H&K Heckler & Koch

    $299.95
    HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...
    HKP-00126
    $299.95
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  • HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28 HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28
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    HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28

    MFI

    $138.95
    MFI HK MP5K, SP5K KAC-Navy Faux Suppressor - 1/2x28 The MFI faux KAC-Navy suppressor is designed to thread onto any 1/2x28 barrels and fully enclose the 3-lugs, ensuring an authentic-looking fit and finish. Inspired by the coveted KAC MP5N suppressor,...
    HKP-22364
    $138.95
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  • New - HKP HK G36 Picatinny Adapter - Gen 2 - HKP-21866 HK G36 Picatinny Adapter - Gen 2
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    HK G36 Picatinny Adapter - Gen 2

    HKP HK Parts

    $139.95
    HKP HK G36 Picatinny Adapter - Gen 2 Elevate your G36 with the Gen 2 Picatinny adapter, designed to effortlessly attach any 1913-style stock or brace. Our refined design guarantees a secure attachment for stocks and braces and delivers an adjustable...
    HKP-21866
    $139.95
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  • New - Timney HK MP5K 9mm 2-Stage Trigger Complete - HKP-20515-M HK MP5K 2-Stage Trigger Group - 9mm - Complete
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    HK MP5K 2-Stage Trigger Group - 9mm - Complete

    Timney Triggers

    $498.95
    Timney Trigger for MP5K, SP5K The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing. Available exclusively...
    HKP-20515-M
    $498.95
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  • New - HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black - HKP-14540 HK416, MR556, G36, SL8 Gas Piston
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    HK416, MR556, G36, SL8 Gas Piston

    USA

    $79.95
    HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...
    HKP-14540
    $79.95
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