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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  • Used - H&K UMP (.40 S&W) Parts Kit - German - Used - HKP-00588 HK UMP Parts Kit - .40 S&W
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    HK UMP Parts Kit - .40 S&W

    H&K Heckler & Koch

    $1,829.95
    HK German UMP .40 Cal Parts Kit - Used HK UMP .40 German parts kit complete with all the factory HK parts minus the receiver. Perfect for those who are doing a custom build or for spare parts. Click this link to complete your build with an S5 receiver...
    HKP-00588
    $1,829.95
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    $1,829.95
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  • New - H&K 91/G3 (7.62x51/.308) Magazine Unloader - HKP-01508
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    HK91, G3 Magazine Unloader

    H&K Heckler & Koch

    $49.95
    HK Factory German Unloader For HK 91, G3, And PTR Magazines Brand new HK German manufactured magazine loader for the alloy or steel mags. Made from all steel construction. Compatible With: HK 91 magazines HK G3 magazines PTR, CETME HK PSG-1 magazines HK...
    HKP-01508
    $49.95
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  • Used - H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good - HKP-16205 HK91, G3 Buttstock Set with Backplate - Black - Used Good
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    HK91, G3 Buttstock Set with Backplate - Black - Used Good

    H&K Heckler & Koch

    $299.95
    Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete  Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC...
    HKP-16205
    $299.95
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    $299.95
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  • New - HKP HK 93/53/33 (5.56/.223) Trigger Pack - 4 U.S. 922r Parts - HKP-18003 HK33, HK53, HK93 Trigger Pack - 4 U.S. 922r Parts
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    HK33, HK53, HK93 Trigger Pack - 4 U.S. 922r Parts

    HKP HK Parts

    $299.95
    Semi Auto Trigger Pack HK93,33 & Z43 Models - 4 US 922R Parts HK 93,33,53 & Zenith Z-43 Semi Auto Trigger Pack Complete. Each trigger group incorporates the following US made compliant parts completely assembled & ready to drop in. The...
    HKP-18003
    $299.95
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  • Out Of Stock
    New - H&K MP5 40/10 Threaded Bolt/Mag Follower Catch Screw - HKP-00454 HK MP5 Magazine Follower Bolt Catch Screw - Threaded - .40 S&W, 10mm

    HK MP5 Magazine Follower Bolt Catch Screw - Threaded - .40 S&W, 10mm

    H&K Heckler & Koch

    $34.95
     Heckler and Koch Threaded Bolt Catch for Magazine Follower for your HK MP5 40,10 This is the small threaded screw that fits into the bolt-hold-open axle and makes contact with the magazine follower to activate the bolt-hold-open. A small but...
    HKP-00454
    $34.95
    Out Of Stock
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    $34.95
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  • New - RCM MP5 40/10 Extractor - HKP-01969 HK MP5 Extractor - .40 S&W, 10mm
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    HK MP5 Extractor - .40 S&W, 10mm

    RCM

    $34.95
    RCM US Made Extractor for HK MP5 .40 S&W and 10mm This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.
    HKP-01969
    $34.95
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  • New - H&K MP5K/SP89/SP5K 9mm Key Mod Handguard - HKP-17177 HK MP5K, SP89, SP5K Handguard - KeyMod
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    HK MP5K, SP89, SP5K Handguard - KeyMod

    HKP HK Parts

    $89.95
    HK MP5K, SP89 Low Profile Forearm KEYMOD The Key MOD tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting needs...
    HKP-17177
    $89.95
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    $89.95
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  • New - H&K SP5K 9mm Semi Auto Bolt Carrier - HKP-18207 HK SP5K Bolt Carrier - Semi Auto - 9mm
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    HK SP5K Bolt Carrier - Semi Auto - 9mm

    H&K Heckler & Koch

    $449.95
    Heckler and Koch HK SP5K 9mm Semi-Auto Bolt Carrier German-made HK SP5K bolt carrier built to the factory semi-auto SP5K specification. This carrier features the correct SP5K closed-front design and semi-auto geometry, making it the proper HK part for...
    HKP-18207
    $449.95
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    $449.95
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  • New - MP5SD Front Sight Tower - HKP-15699 MP5SD Front Sight Tower
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    MP5SD Front Sight Tower

    USA

    $49.95
    MP5SD Front Sight Tower New US Made MP5SD Front Sight Tower
    HKP-15699
    $49.95
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  • New - B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug - HKP-17956 HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug
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    HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug

    B&T Brugger & Thomet

    $449.95
    B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is manufactured to exact HK factory specifications exclusively for MP5 models. B&T, a trusted partner of H&K...
    HKP-17956
    $449.95
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  • On Sale
    HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED
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    HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED

    H&K Heckler & Koch

    Now: $24.95
    Was: $37.95
    Heckler and Koch HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This part counts as 1 US-made part for 922r...
    HKP-22418-B
    Now: $24.95
    Was: $37.95
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    Now: $24.95
    Was: $37.95
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  • HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto
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    HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto

    MKE

    $4.95
    MKE AP5, HK MP5, G3 Full-Auto Elbow Spring with Roller This elbow spring is manufactured by MKE from steel and is used in MP5 and G3 pattern trigger packs. It provides proper tension and function for the trigger pack elbow and is suitable for...
    HKP-22489
    $4.95
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    $4.95
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