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 German Ambidextrous Sling Pin Replacement O-Ring - HKP-19985
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    HK German Ambidextrous Sling Pin Replacement O-Ring

    H&K Heckler & Koch

    $5.95
    H&K German Ambidextrous Sling Pin Replacement O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. Brand new factory German manufacture. This item is a common wear/breakage part that does need to be replaced from time...
    HKP-19985
    $5.95
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  • New - HK45 .45 ACP Thread Protector - Threaded .578x28 RH - HKP-19891 HK45 Thread Protector - Threaded .578x28 RH
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    HK45 Thread Protector - Threaded .578x28 RH

    USA

    $24.95
    HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...
    HKP-19891
    $24.95
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  • Out Of Stock
    New - HKP HK UMP, USC Lower Bolt Catch - HKP-19565 HK UMP, USC Lower Bolt Catch

    HK UMP, USC Lower Bolt Catch

    HKP HK Parts

    $22.95
    HK UMP & USC Bolt Catch For Last Round Hold Open New HK USA lower bolt catch. Compatible With: HK UMP HK USC
    HKP-19565
    $22.95
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    $22.95
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  • Used - Comp-Tac HK VP9SK Infidel Ultra Max RH Holster - Black - HKP-19329
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    HK VP9SK Holster - Infidel Ultra Max - RH

    Comp-Tac

    $96.95
    Infidel Ultra Max Holster - Right Hand - VP9SK The Infidel Ultra Max Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. The Infidel Ultra Max is designed with cant adjustment holes to allow the user to...
    HKP-19329
    $96.95
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    $96.95
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  • Used - H&K USC/SL8 (.45 ACP/5.56/.223) Buttstock Screw - HKP-01649 HK USC, SL8 Buttstock Allen Screw
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    HK USC, SL8 Buttstock Allen Screw

    H&K Heckler & Koch

    $17.95
    Buttstock Allen Screw For HK USC Or HK SL8 rifles. This is the screw that holds the stock assembly onto the upper receiver of the HK USC & SL8.Great for replacements or to have as spares. This item is factory HK and a common spare.
    HKP-01649
    $17.95
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  • New - HKP HK 21E/11E (7.62x51/.308) Firing Pin - Titanium - HKP-17771
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    HK21E, HK11E Firing Pin - Titanium

    HKP HK Parts

    $49.95
    HK21E, MM21E, 11E Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made  in the USA.  A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK weapon system. Get the lightest,...
    HKP-17771
    $49.95
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  • New - HK91, G3 (7.62x51/.308) 4 Position (0,1,3,F) Burst Trigger Group - Push Pin - HKP-00208 HK91, G3 Trigger Group - Burst 4 Position 0,1,3,F - Push Pin
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    HK91, G3 Trigger Group - Burst 4 Position 0,1,3,F - Push Pin

    H&K Heckler & Koch

    $3,299.95
    HK Heckler and Koch 4 Position Burst Trigger Group - for HK G3, HK91, and HK PTR - German HK  HK G3 and HK91 4 Position 0,1,3,F burst trigger group is complete factory German. Rare and hard to find. Setup in 7.63/.308 for factory swing down HK G3...
    HKP-00208
    $3,299.95
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    $3,299.95
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  • New - PTR HK 33/93/G3K Tactical Forearm - HKP-00367 HK33, HK93, G3K Tactical Handguard
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    HK33, HK93, G3K Tactical Handguard

    PTR

    $129.95
    HK 33, 93, G3K & PTR (shorter length) Tactical Hand Guard - US Made This robust tactical forearm allows the addition of either 2, 3, 4, or 6-inch bottom and side rails, giving you the greatest ability to customize your rails and configuration of any...
    HKP-00367
    $129.95
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  • New - H&K Bolt Locking Lever Pin/Cylindrical Pin - HKP-16913
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    HK Bolt Locking Lever Pin - Cylindrical Pin

    H&K Heckler & Koch

    $4.95
    Heckler and Koch Bolt Locking Lever Pin/Cylindrical Pin New HK91, G3, PTR-91 .308 & HK 93, 33, 53 Bolt Carrier Bolt Locking Lever pin (cylindrical pin). This item holds the locking lever & spring in place on the actual bolt head.
    HKP-16913
    $4.95
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  • Out Of Stock
    New - HK SP5K Spec Only 9mm 3 Position 0,1,F Pictogram Ambidextrous Navy Style Housing - Clipped and Pinned - HKP-17924 HK SP5K Trigger Housing - Ambi Navy 3 Position 0,1,F Pictogram - 9mm Spec Only - Clipped and Pinned

    HK SP5K Trigger Housing - Ambi Navy 3 Position 0,1,F Pictogram - 9mm Spec Only - Clipped and Pinned

    H&K Heckler & Koch

    $449.95
    Heckler and Koch 3 Position 0,1,F Pictogram Ambi Navy Style Housing, Clipped and Pinned for HK SP5K Spec Only 9mm This HK German Navy housing is specifically designed for the HK SP5K. Featuring ambidextrous functionality and pictogram markings, this...
    HKP-17924
    $449.95
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    $449.95
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  • New - CFG MP5 Low Profile Rear Picatinny Sight Base - 10 Slot - HKP-18321 HK MP5, SP5K, HK94, SP89 Rear Sight Picatinny Base - Low Profile - 10 Slot
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    HK MP5, SP5K, HK94, SP89 Rear Sight Picatinny Base - Low Profile - 10 Slot

    CFG

    $119.95
    CFG MP5 Low Profile Rear Picatinny Sight Base - 10 Slot The CFG mount allows the user to replace the German HK rear sight with a low profile picatinny optic mount.  Made in the USA to German specifications. Compatible With: MP5, MP5K SP5,...
    HKP-18321
    $119.95
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    $119.95
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  • Used - H&K HK G3, HK 91 Used Ribbed Cocking Tube With Hanger Installed - HKP-00719
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    HK91, G3 Cocking Tube with Hanger - Ribbed -Used

    H&K Heckler & Koch

    $34.95
    HK German HK G3 & HK 91 Ribbed Cocking Tube With Hanger Installed - Used Used surplus condition, take-offs from demilled G3 firearms. They may have dings, dents, and heavy wear. Still in serviceable condition or perfect for projects. Fair Condition...
    HKP-00719
    $34.95
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    $34.95
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