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 - HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH - HKP-17942 HK45 Thread Protector - 16x1 LH - Titanium
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    HK45 Thread Protector - 16x1 LH - Titanium

    $24.95
    HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...
    $24.95
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    $24.95
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  • Out Of Stock
    New - B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug - HKP-17894 HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    B&T Brugger & Thomet

    $350.00
    B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. New Swiss manufactured from hand-picked Swiss...
    $350.00
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    $350.00
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  • Out Of Stock
    New - H&K HK G36, HK G36K Full Size Folding Stock - Black - HKP-00277

    HK G36, 36K Folding Stock - Full Size

    H&K Heckler & Koch

    $74.95
    HK G36 or G36K Folding Stock HK G36 Stock complete for full-size G36 rifles. This is the longest stock available for G36 rifles. This is also the standard G36 and G36K stock with the standard length. Compatible With: G36 G36K G36C G36E SL8 to G36...
    $74.95
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  • Used - H&K HK MP5 German 9mm Trigger Pack Complete F/A Roller Sear, XX Struted/Pinned Hammer - HKP-19342 HK MP5 Trigger Pack - 9mm - Complete - Full Auto - Hammer XX - Roller Sear
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    HK MP5 Trigger Pack - 9mm - Complete - Full Auto - Hammer XX - Roller Sear

    H&K Heckler & Koch

    $499.95
    H&K MP5/K 9mm Full Auto Complete Trigger Pack This factory HK German MP5 9mm full auto trigger pack is offered as it was originally configured by HK Germany. It has been carefully preserved from a demilled 1980s production MP5 and comes complete with...
    $499.95
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  • Out Of Stock
    Used - H&K MP5 A3 Stock - Surplus - Good Condition - HKP-16659 H&K MP5 A3 Stock - Surplus - Good Condition H&K Heckler & Koch HKP-16659

    HK MP5 A3 Stock - Surplus - Good Condition

    H&K Heckler & Koch

    $578.95
    Military German manufactured A3 Retractable Stock - Used Each Used German HK stock will vary from Fair-Good Shape (early 80's manufacture) A one-time offering of some well used German military stocks that need some TLC and a refinish to get them looking...
    $578.95
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  • New - GSG9 HK G36/SL8 (5.56/.223) Forearm, Lower, Magwell - Push Pin - HKP-18221
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    HK G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells

    GSG9

    $18.95
    HK G36, SL8 Push Pin For Forearm, Magwell, & Lower  Each push pin/locking pin retains the forearm, magwell, & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins. Compatible With: G36 G36K G36C G36...
    $18.95
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  • Out Of Stock
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever - HKP-00263 HK UMP, USC Lever - Ejector - 9mm / .40 S&W / .45 ACP

    HK UMP, USC Lever - Ejector - 9mm / .40 S&W / .45 ACP

    H&K Heckler & Koch

    $39.95
    HK German UMP & USC Ejector Lever - German New HK German OEM part. Each unit fits all calibers of UMP & USC firearms. A great spare to have on hand as they are prone to shearing off with use and must be replaced. Compatible With: UMP .45 UMP ...
    $39.95
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  • New - H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Recoil Rod Stop Pin - HKP-01157
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    HK33, HK91, G3 Recoil Rod Stop Pin

    H&K Heckler & Koch

    $9.95
    G3, 91, PTR, 93, & 33 Recoil Rod End Cap New HK German recoil rod end cap or stop pin for HK factory recoil rods. This item retains the recoil spring on the recoil rod assembly. A great spare and wear and replacement part. Compatible With: HK G3, 91...
    $9.95
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  • Out Of Stock
    New - RCM HK MP5-E Full Auto Bolt Group - HKP-21351 HK MP5, HK94 Bolt Group - 9mm - Full Auto

    HK MP5, HK94 Bolt Group - 9mm - Full Auto

    RCM

    $459.95
    RCM HK MP5-E Full Auto Bolt Group Each bolt group incorporates RCM’s F style carrier, MP5-E bolt head, extractor and 100 degree locking piece. This group is 100% US made and the finest out there. Complete and ready to drop in and use. Ideal to...
    $459.95
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  • New - MKE AP5 3-Point Sling - Complete - HKP-21187 Century Arms AP5 3-Point Sling - Complete
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    Century Arms AP5 3-Point Sling - Complete

    MKE

    $34.99
    MKE AP5 3 Point Sling - Complete This is a Factory OEM Sling included with the AP5. Can be utilized on any HK 90 series of firearms.  Compatible With: Century Arms AP5 HK MP5 & SP5 HK MP5K & SP5K HK94
    $34.99
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  • On Sale
    New - Elite Tactical Systems 20 Round MP5 9mm Magazine-Translucent - HKP-18739
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    Elite Tactical Systems 20 Round MP5 9mm Magazine-Translucent

    Elite Tactical Systems

    Now: $22.46
    Was: $39.95
    HK MP5 9mm 20 Round Translucent Magazine Features: Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Fits standard MP5 mag pouches and couplers Limited 20 round capacity Lifetime...
    Now: $22.46
    Was: $39.95
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    Now: $22.46
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  • New - Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing - HKP-21114-M HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing
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    HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing

    HKP HK Parts / FA Franklin Armory

    $1,449.95 - $1,499.95
    Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing Our latest and greatest binary trigger group was delivered with a factory HK German housing professionally engraved and painted with a 2-round burst pictograph to...
    $1,449.95 - $1,499.95
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