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 - SchleTek Carbon Cleaner 150 ml Pump - HKP-21729
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    Carbon-Cleaner - 150 ml Pump

    SchleTek

    $16.95
    SchleTek Carbon Cleaner 150 ml Pump SchleTek Carbon Cleaner is a powerful, fast-acting solution designed to remove stubborn carbon buildup from firearms, suppressors, bolts, gas systems, and other precision components. Its advanced formula penetrates and...
    HKP-21729
    $16.95
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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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    $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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    $149.95
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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

    $579.95
    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
    $579.95
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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 KNS Precision HK Push Button Take Down Pin - Large

    KNS Precision HK Push Button Take Down Pin - 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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  • 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 - HKP - HK MP5 Folding Brace/Stock Adapter - HKP-21217 HK MP5 Stock or Brace Adapter - Folding
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    HK MP5 Stock or Brace Adapter - Folding

    HKP HK Parts

    $149.95
    HKP - HK MP5 Folding Brace/Stock Adapter Our HK Parts brace adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your...
    HKP-21217
    $149.95
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  • On Sale
    HK QD End Cap with Buffer - SP5
New - HKP QD End Cap with Buffer - SP5 - HKP-20757
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    HK QD End Cap with Buffer - SP5

    HKP HK Parts

    Now: $59.95
    Was: $99.95
    HK SP5 - Quick Detach End Cap With this SP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft grade aluminum and Cerakoted for the best...
    HKP-20757
    Now: $59.95
    Was: $99.95
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    Now: $59.95
    Was: $99.95
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  • New - H&K HK 416, HK MR556 Folding Front Sight For Handguard - HKP-19462 HK 416, HK MR556 Folding Front Sight for Handguard
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    HK 416, HK MR556 Folding Front Sight for Handguard

    H&K Heckler & Koch

    $134.95
    Folding Front Sight - German - HK416, MR556 Handguards German HK built in folding front sight for the forearms/handguards.
    HKP-19462
    $134.95
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    $134.95
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  • On Sale
    New - HKP Short Sleeve Tee Female - Cardinal - HKP-21019-M
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    HKP Women's Shirt - Short Sleeve - Cardinal

    HKP HK Parts

    Now: $9.99
    Was: $14.95
    HKP Short Sleeve Shirt for Women - Cardinal Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...
    HKP-21019-M
    Now: $9.99
    Was: $14.95
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  • Out Of Stock
    New - HKP HK UMP, USC & G36, SL8 Sear - HKP-19555 HK UMP, USC & G36, SL8 Sear

    HK UMP, USC & G36, SL8 Sear

    HKP HK Parts

    $14.95
    HK Complete Sear G36, UMP, USC, SL8 Made in the USA Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-19555
    $14.95
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    $14.95
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