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 - HKP HK MP5 .22 LR Aimpoint ACRO Sight Mount - HKP-21236 HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
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    HK MP5 Optic Mount, Aimpoint ACRO - .22 LR

    HKP HK Parts

    $98.95
    HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean...
    HKP-21236
    $98.95
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  • New - HKP 2 Point Leather Sling - Brown - HKP-20162 HKP 2 Point Leather Sling - Brown
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    HKP 2 Point Leather Sling - Brown

    HKP HK Parts

    $49.95
    2 Point Leather Sling - Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware for...
    HKP-20162
    $49.95
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  • New - HKP Single Point Leather Sling - Black - HKP-20151 HK Single Point Leather Sling - Black
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    HK Single Point Leather Sling - Black

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Black Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20151
    $49.95
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  • Out Of Stock
    New - Solar Tactical HK G3/K91 Kydex RH Grip Wrap - Black - HKP-18915 HK91, G3 Grip Wrap - Right - Kydex

    HK91, G3 Grip Wrap - Right - Kydex

    Solar Tactical

    $69.95
    Solar Tactical HK G3/K91 Kydex RH Grip Wrap Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10 rounds. Preban...
    HKP-18915
    $69.95
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  • Out Of Stock
    New - HK G36/SL8 Dual Optic Replacement Battery - HKP-00009

    HK G36/SL8 Dual Optic Replacement Battery

    $14.95
    HK G36 & SL8 Dual Optic Replacement Lithium Battery The proper battery with the proper voltage for all HK dual optic units.  Please Note: Standard AA batteries WILL NOT work. You need this specialized battery for the optic to function...
    HKP-00009
    $14.95
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  • HK UMP Mag Release - Enhanced - Billeted - 9mm / .40 S&W / .45 ACP
HK UMP Mag Release - Enhanced - Billeted - 9mm / .40 S&W / .45 ACP
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    HK UMP Mag Release - Enhanced - Billeted - 9mm / .40 S&W / .45 ACP

    HKP HK Parts

    $34.95
    HK UMP Paddle Magazine Release - Enhanced This is a very common replacement part as they are fairly easy to break on the UMP lower. With this new mag release, you'll get a wider release as well as a much more durable part. Simple & easy to install no...
    HKP-18758
    $34.95
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  • Out Of Stock
    New - H&K MP5 40/10 Flash hider - 3-Lug - HKP-00442 HK MP5 Flash Hider - 3 Lug - .40 S&W / 10mm

    HK MP5 Flash Hider - 3 Lug - .40 S&W / 10mm

    H&K Heckler & Koch

    $199.99
    HK Heckler and Koch's Flash Hider with 3-Lug Connection Fits all factory in-spec 3 Lug MP5 40/10 Barrels. Specifications: Made In Germany 3-Lug Compatible With: HK MP5
    HKP-00442
    $199.99
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  • Used - H&K A3 Retractable Stock Clamping Lever Spring - HKP-01089
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    HK A3 Buttstock Clamping Lever Spring - Retractable

    H&K Heckler & Koch

    $19.95
    HK German Retractable Stock Clamping Lever Spring For A3 Retractable Stocks This spring is the most common breakage/wear item in the internal workings of the A3 retractable stock.
    HKP-01089
    $19.95
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  • New - H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group - HKP-16725
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    HK MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group

    H&K Heckler & Koch

    $1,999.95
    H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group New HK German MP5, SP5 9mm 4 Position Burst (0,1,3, F) Trigger Housing professionally clipped & pinned and paired with a factory German MP5 trigger pack ready for your semi-auto...
    HKP-16725
    $1,999.95
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  • HK MP5, MP5K Cocking Handle - Skeletonized HK MP5, MP5K Cocking Handle - Skeletonized
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    HK MP5, MP5K Cocking Handle - Skeletonized

    HKP HK Parts

    $45.95
    HKP HK MP5, MP5K Extended Cocking Handle - Skeletonized Skeletonized extended cocking handle for MP5 & MP5K firearms. Designed to also function with UTG monolithic M-LOK handguards.  Made from solid steel billet and nitrided for a robust finish...
    HKP-22273
    $45.95
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  • New - H&K HK MR556 A4 Ambi Charging Handle - HKP-21933 HK MR556 A4 Charging Handle - Ambi
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    HK MR556 A4 Charging Handle - Ambi

    H&K Heckler & Koch

    $199.95
    H&K HK MR556 A4 Ambi Charging Handle Upgrade your MR556 or HK416-style rifle with this factory H&K ambidextrous charging handle, designed for smooth, reliable operation from either side. Built to Heckler & Koch’s exacting standards,...
    HKP-21933
    $199.95
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  • New - Nefarious Arms HK 416 Gas Block Assembly Tool - HKP-21273 HK416 Gas Block Assembly Tool
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    HK416 Gas Block Assembly Tool

    Nefarious Arms

    $94.95
    Nefarious Arms HK 416 Gas Block Assembly Tool A Nefarious Arms creation for those that like to service or replace their 416 gas block. This assembly tool will effortlessly help you assemble or disassemble your 416 gas block by simply aligning the two...
    HKP-21273
    $94.95
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