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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  • Out Of Stock
    New - GSG9 HK G36 (5.56/.223) Complete Bolt Head - HKP-18983 HK G36 Bolt Head, Complete

    HK G36 Bolt Head, Complete

    GSG9

    $0.00
    G36 Bolt Head - Complete - USA G36 Bolt Head allows the use of double stack magazines in your SL8 conversion to high capacity G36, Magpul or AR15 Magazines. Perfect for the G36 conversions or for a spare part to have on hand. Made in the USA from 9310,...
    HKP-18983
    $0.00
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  • New - H&K G36 (5.56/.223) 10 Round Factory Magazine - FDE - HKP-18727 HK G36 Magazine - 10 Round - Factory - FDE
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    HK G36 Magazine - 10 Round - Factory - FDE

    H&K Heckler & Koch

    $87.95
    HK G36 10 Round Magazine in Flat Dark Earth (FDE) Compatible With: G36 G36K G36C Double Stack Capacity Magwell Converted SL8's   Specifications: Capacity: 10-rounds Condition: New, rare find Manufacturer: HK Germany
    HKP-18727
    $87.95
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    $87.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine Housing - HKP-16369 HK UMP (.40 S&W) 30 Round Magazine Housing
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    HK UMP (.40 S&W) 30 Round Magazine Housing

    H&K Heckler & Koch

    $69.95
    New HK UMP .40 30 Round Magazine Housing New HK German UMP .40 30 round factory magazine body. A great spare part in the event that your mag body is damaged or cracked.
    HKP-16369
    $69.95
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  • Out Of Stock
    New - H&K UMP (.40 S&W) Magazine Locking Plate - HKP-16340 HK UMP Magazine Locking Plate - .40 S&W

    HK UMP Magazine Locking Plate - .40 S&W

    H&K Heckler & Koch

    $9.95
    H&K UMP (.40 S&W) Magazine Locking Plate German HK.
    HKP-16340
    $9.95
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    $9.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Right - HKP-01892
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    HK UMP, USC Hammer Spring - Right

    H&K Heckler & Koch

    $14.95
    HK UMP & USC Right Side Hammer Spring For Lowers
    HKP-01892
    $14.95
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    $14.95
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  • Out Of Stock
    New - HKP PTR PDW (7.62x51/.308) Complete Bolt Group - HKP-17389 HK PTR PDW Bolt Group - Complete

    HK PTR PDW Bolt Group - Complete

    HKP HK Parts

    $379.95
    US Made PTR Bolt Group Complete Semi-Auto 308. Factory correct bolt head and locking piece for use in the PTR PDW chambered in 7.62X51 or 308. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.
    HKP-17389
    $379.95
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  • New - HKP HK 91/G3 (7.62x51/.308) Ambidextrous Trigger Pack (0,1) - HKP-17232 HK91, G3 Ambidextrous  Trigger Pack (0,1)
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    HK91, G3 Ambidextrous Trigger Pack (0,1)

    HKP HK Parts

    $362.95
    HKP/H&K G3/91 (7.62x51/.308) 2 Position 0,1 Ambidextrous Trigger Pack Finally, a lower cost alternative to the expensive and rare all-German FBI & 0,1 ambi trigger packs.  Each trigger pack comes 100% complete, ready to use in your...
    HKP-17232
    $362.95
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    $362.95
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  • HK91, G3 Firing Pin - Titanium HK91, G3 Firing Pin - Titanium
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    HK91, G3 Firing Pin - Titanium

    HKP HK Parts

    $34.95
    HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% 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 G3, 91 & PTR weapon system. Get the...
    HKP-17937
    $34.95
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  • New - HK 91/G3 (7.62x51/.308) Bolt Head - Stripped - HKP-16636 HK91, G3 Bolt Head - Stripped
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    HK91, G3 Bolt Head - Stripped

    $96.95
    New US Made Bolt Head- Incomplete: CNC machined from HK blueprints to precise tolerances that use the proper steel and heat-treat processes. You WILL NOT find a better quality offering of HK Parts anywhere. All of the bolt heads we offer on our website...
    HKP-16636
    $96.95
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  • New - H&K 53 (5.56/.223) Front Sight Tower - Factory Correct - HKP-02238 HK53 Front Sight Tower - Factory Correct
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    HK53 Front Sight Tower - Factory Correct

    H&K Heckler & Koch

    $169.95
    HK53 Front Sight Tower - (Triple Frame) This factory HK German triple frame is the factory-correct part for your HK53 build (not the incorrect G3/91 triple frame). 
    HKP-02238
    $169.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Cocking Lever Axle Pin - HKP-01060 HK33, HK53, HK93 Cocking Lever Axle Pin

    HK33, HK53, HK93 Cocking Lever Axle Pin

    H&K Heckler & Koch

    $0.00
    New HK German 93, 33, & 53 Cocking Handle Axle Pin This is a new HK factory part made for the .223 HK rifle for the HK93/33/53, not surplus or a cut-down .308 part, as others offer. This part is the axle pin that holds the cocking handle in place on...
    HKP-01060
    $0.00
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  • On Sale
    New - H&K 93/53/33 (5.56/.223) 4 Position Trigger Goup Complete (0,1,3,F) - HKP-00018 HK33, HK53, HK93 Trigger Group - 4 Position 0,1,3,F - Complete
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    HK33, HK53, HK93 Trigger Group - 4 Position 0,1,3,F - Complete

    H&K Heckler & Koch

    Now: $2,989.95
    Was: $3,399.95
    Heckler and Koch HK33, HK53, HK93 4 Position Burst Trigger Group Complete (0,1,3,F) Factory German HK 4-position burst trigger group configured for push-pin style receivers. This complete assembly is designed for HK93, HK33, and HK53 platforms and...
    HKP-00018
    Now: $2,989.95
    Was: $3,399.95
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    Now: $2,989.95
    Was: $3,399.95
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