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 - MKE Roller Retainer Plate for Rollers - HKP-22235 MKE Roller Retainer Plate for Rollers MKE HKP-22235
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    HK MP5, 90 Series Holder Plate for Locking Rollers

    MKE

    Now: $24.95
    Was: $29.95
    MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...
    HKP-22235
    Now: $24.95
    Was: $29.95
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  • New - HKP HK MP5 SD Handguard Conversion - M-LOK - HKP-22200 HK MP5 Handguard Conversion - SD Style - MLOK
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    HK MP5 Handguard Conversion - SD Style - MLOK

    HKP HK Parts

    $324.95
    HKP HK MP5 SD Handguard Conversion - M-LOK Transform your standard MP5 into the classic SD-style with the HKP MP5 SD handguard conversion. This drop-in handguard is designed solely for aesthetics, providing your MP5 with the distinctive suppressed SD...
    HKP-22200
    $324.95
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  • New - HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH - HKP-22084 HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH
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    HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp easily threads on to the end of any factory spec...
    HKP-22084
    $29.95
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  • New - H&K MR762 A4 Pivot Pin - HKP-21958 HK417, MR762 Takedown Pin - Front - A4 Style
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    HK417, MR762 Takedown Pin - Front - A4 Style

    H&K Heckler & Koch

    $43.99
    H&K MR762 A4 Receiver Front Takedown Pin German-made factory pivot pin for the MR762 A4.  Will work with A1 models as well. Compatible With: HK MR762 A1 and A4 HK417  
    HKP-21958
    $43.99
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  • On Sale
    New - HKP HK MP7 Dual Magazine Clamp - HKP-21597-M HK MP7 Dual Magazine Clamp
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    HK MP7 Dual Magazine Clamp

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP7 Dual Magazine Clamp Our MP7 dual mag clamp was designed for quick mag swaps at the range or in the real world.  The clamp works with any capacity MP7 magazine. Compatible With: HK MP7
    HKP-21597-M
    Now: $39.96
    Was: $49.95
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  • Out Of Stock
    New - DTAC HK MP5SD Front End Kit - HKP-21318 New - DTAC HK MP5SD Front End Kit - HKP-21318

    HK MP5 to MP5SD Front End Conversion Kit

    DTAC Dakota Tactical

    $1,299.95
    Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further.  Our kit provides all necessary components (aside from suppressor) to do so. With a DTAC Cage and SD guard...
    HKP-21318
    $1,299.95
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  • New - HKP HK UMP & HK USC Extended Top Rail For Optics - HKP-21048 HK UMP, USC Top Rail - Extended - Optics
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    HK UMP, USC Top Rail - Extended - Optics

    HKP HK Parts

    $59.95
    HKP HK UMP & HK USC Extended Top Rail For Optics Nearly an 1" longer than the standard length top rail for mounting any Picatinny mount optic.  Made in the USA from 6061 aluminum and hard coat anodize in a beutiful black finish. 
    HKP-21048
    $59.95
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  • Used - G3 Incomplete Backplate - Threaded - HKP-20860 HK91, G3 Backplate, Incomplete
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    HK91, G3 Backplate, Incomplete

    H&K Heckler & Koch

    $29.95
    G3 Incomplete Backplate Each backplate is refinished and parkerized as issued to the German military. This refinished backplate comes with a threaded end to accept a threaded recoil rod stop screw. With a quick and easy removable recoil rod stop you will...
    HKP-20860
    $29.95
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  • New - H&K HK UMP 2 Position Complete Lower - Black - HKP-19117 HK UMP 2 Position Complete Lower
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    HK UMP 2 Position Complete Lower

    H&K Heckler & Koch

    $579.95
    New HK German 2 Position Lower Complete New German Heckler & Koch UMP Lower. 2 position settings (S,F). Each lower comes complete with all the factory internals. This item is ideal for the USC to UMP conversion or to keep as a spare.  Compatible...
    HKP-19117
    $579.95
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  • New - GSG9 HK G36 Complete Semi-Auto Bolt Group - Black - HKP-18944 HK G36 Bolt Group - Semi-Auto - Complete
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    HK G36 Bolt Group - Semi-Auto - Complete

    GSG9

    $799.95
    GSG9 - HK G36 Semi-Auto Bolt Group Compatible With: HK G36 HK G36K HK G36C This will not work with a HK SL8.
    HKP-18944
    $799.95
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  • New - PTR HK 93/53/33 # 7 Locking Piece 55 Degree - hkp-18470 HK33, HK53, HK93 Locking Piece # 7 - 55 Degree
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    HK33, HK53, HK93 Locking Piece # 7 - 55 Degree

    PTR

    $49.95
    PTR HK33, HK53, HK93 # 7 Locking Piece 55 Degree New US Made 55 Degree #7 Locking Piece for the HK 93, 33, C93 & V93 Rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or...
    HKP-18470
    $49.95
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  • New - Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger - Semi shelf - HKP-20484 HK MP5K LS5 Trigger Group - Flat Trigger - Semi shelf
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    HK MP5K LS5 Trigger Group - Flat Trigger - Semi shelf

    Lee Sporting / Magpul

    $549.95
    Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...
    HKP-20484
    $549.95
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