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 - H&K MR762 A4/417 Magazine Catch - HKP-21961 HK417, MR762A4 Magazine Catch
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    HK417, MR762A4 Magazine Catch

    H&K Heckler & Koch

    $99.95
    H&K MR762 A4/417 Magazine Catch German-made magazine catch for MR762 A4 and HK417. Compatible With: HK MR762 A1/A4 HK417  
    HKP-21961
    $99.95
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    $99.95
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  • On Sale
    Used - H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW - HKP-17917-B HK UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW
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    HK UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW

    H&K Heckler & Koch

    Now: $172.34
    Was: $229.95
    H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW Like-new PD trade in HK German UMP .45 cal 25 Round Factory Magazines. These magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP...
    HKP-17917-B
    Now: $172.34
    Was: $229.95
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    Now: $172.34
    Was: $229.95
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  • On Sale
    New - B&T APR308 Deployment Bag - HKP-21880 B&T APR308 Deployment Bag
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    B&T APR308 Deployment Bag

    B&T Brugger & Thomet

    Now: $189.95
    Was: $339.95
    B&T APR308 Deployment Bag  Hidden for years in an unmarked crate, these genuine B&T contracted deployment cases are perfect for keeping your valuable B&T APR rifle, or any other rifle, safe and secure. The cases were crafted in Poland by...
    HKP-21880
    Now: $189.95
    Was: $339.95
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    Now: $189.95
    Was: $339.95
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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

    $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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    $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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    $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
    Out Of Stock
    Qty in Cart: 0
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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 - 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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    $149.95
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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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    Now: $44.95
    Was: $88.99
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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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