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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  • On Sale
    New - HK MP5K Carrier Weldment Tube - HKP-99062 HK MP5K Carrier Weldment Tube
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    HK MP5K Carrier Weldment Tube

    USA

    Now: $19.95
    Was: $44.95
    HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm.  Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...
    HKP-99062
    Now: $19.95
    Was: $44.95
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    Now: $19.95
    Was: $44.95
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  • New - H&K HK G36/SL8 Sling/Bipod Eye Bolt - HKP-21654 HK G36, SL8 Handguard Eye Bolt - Slings, Bipods
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    HK G36, SL8 Handguard Eye Bolt - Slings, Bipods

    H&K Heckler & Koch

    $79.95
    H&K HK G36/SL8 Sling/Bipod Eye Bolt Factory HK sling and bipod eye bolt for H&K G36 and SL8 rifle models.  Steel construction with a durable black finish.  Installs easily into the forward portion of the handguard to provide a secure...
    HKP-21654
    $79.95
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    $79.95
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  • New - HKP HK UMP 4 Prong Ported Flash Hider - HKP-21578 HK UMP 4 Prong Ported Flash Hider
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    HK UMP 4 Prong Ported Flash Hider

    HKP HK Parts

    $49.95
    HKP HK UMP 4 Prong Ported Flash Hider  4-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...
    HKP-21578
    $49.95
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  • New - FMP HK G3 Manual - HKP-21542 FMP HK G3 Manual
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    FMP HK G3 Manual

    $149.95
    FMP HK G3 Manual English-translated manuals for the Factory FMP G3 are available now. This is a rare collector's piece and the perfect item for those aiming to assemble a complete FMP G3 parts kit with an authentic factory manual. The cover is inscribed...
    HKP-21542
    $149.95
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  • New - B&T G36 (5.56/.223) Flash Hider for M.A.R.S QD Suppressor - HKP-21522 HK G36 Flash Hider for M.A.R.S QD Suppressor
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    HK G36 Flash Hider for M.A.R.S QD Suppressor

    B&T Brugger & Thomet

    $144.99
    B&T G36 (5.56/.223) Flash Hider for M.A.R.S QD Suppressor Specifications: Made in Switzerland Threaded 15x1 RH Does not include face shims Compatible With: HK G36 5.56/.223 firearms threaded 15X1 RH Compatible with the Following Suppressors: M.A...
    HKP-21522
    $144.99
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    $144.99
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  • New - HKP HK MP5 Single Stage Semi Auto Trigger Pack - Ambi - HKP-21483 HK MP5 Trigger Pack - Single Stage Semi Auto - Ambi
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    HK MP5 Trigger Pack - Single Stage Semi Auto - Ambi

    HKP HK Parts

    $459.95
    HKP/H&K MP5 9mm Single Stage Semi-Auto Ambidextrous Trigger Pack This trigger pack starts as a factory F/A trigger pack before being converted into a semi-auto trigger pack and receiving single-stage trigger work. This is the best option for...
    HKP-21483
    $459.95
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  • New - HK34 9mm Pistol Build Kit - Navy Binary - HKP-21482 HK34 9mm Pistol Build Kit - Navy Binary
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    HK34 9mm Pistol Build Kit - Navy Binary

    HKP HK Parts

    $2,199.95
    HK34 9mm Pistol Build Kit - Navy Binary Just when you thought all permutations of roller-lock kits had been exhausted, HK Parts brings you the HK34. The HK34 strikes a balance between the shoot-ability of a pistol caliber with the versatility of a rifle...
    HKP-21482
    $2,199.95
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  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Large - HKP-21388 HK MP5, HK33, HK91 Take Down Pin - Push Button - Large

    HK MP5, HK33, HK91 Take Down Pin - Push Button - Large

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21388
    $24.99
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    $24.99
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  • On Sale
    New - Omega HK UMP .45 Semi Auto Bolt Carrier - Complete - HKP-21316 HK UMP Bolt Carrier - Semi-Auto - Complete - .45 S&W
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    HK UMP Bolt Carrier - Semi-Auto - Complete - .45 S&W

    OMEGA

    Now: $224.95
    Was: $359.95
    Omega HK UMP .45 Bolt Carrier Complete - Semi Auto Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Compatible With: HK UMP .45 Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin The...
    HKP-21316
    Now: $224.95
    Was: $359.95
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    Now: $224.95
    Was: $359.95
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  • New - Strike Universal Picatinny - Dual Folding Adapter - Stock - HKP-21306 HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny
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    HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny

    Strike Industries

    $199.95
    Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...
    HKP-21306
    $199.95
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  • On Sale
    New - TPM - Flash Hider .22 Cal - Titanium - HKP-20778 Flash Hider .22 Cal - Titanium - Silver
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    Flash Hider .22 Cal - Titanium - Silver

    Tactical Precision MFG

    Now: $44.95
    Was: $88.99
    TPM - Flash Hider .22 Cal - Titanium This titanium tri-port muzzle brake reduces recoil, muzzle rise and hides the flash. Dust does not kick up due to three offset front ports. Full automatic capable. Less than 1" of rise with a 30 round 5.56 mag...
    HKP-20778
    Now: $44.95
    Was: $88.99
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    Was: $88.99
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  • Out Of Stock
    Used - H&K HK53 A3 German Parts Kit - Used - HKP-20729 HK53 A3 German Parts Kit

    HK53 A3 German Parts Kit

    H&K Heckler & Koch

    $6,799.95
    HK German HK53 A3 Factory Parts Kit Complete Minus The Demilled Receiver Includes: HK German desirable 1/7 twist factory cold hammer forged barrel HK ambidextrous 2 round burst trigger group Factory HK 53 wide forearm 4 prong factory flash hider A3...
    HKP-20729
    $6,799.95
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    $6,799.95
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