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 HK MR556 A4 13.4" Handguard - HKP-21935 HK MR556 A4 Handguard - 13.4"
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    HK MR556 A4 Handguard - 13.4"

    H&K Heckler & Koch

    $314.95
    H&K HK MR556 A4 13.4" Handguard This handguard is expertly engineered for precision and adaptability, featuring a robust Picatinny rail at the 12 o'clock position that guarantees seamless mounting of optics and accessories. With M-LOK slots...
    HKP-21935
    $314.95
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    $314.95
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  • New - B&T SchleTek Carbon Cleaner 500 ml Aerosol - HKP-21766
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    Carbon-Cleaner - 500 ml Aerosol

    SchleTek

    $32.95
    SchleTek Carbon Cleaner 500 ml Aerosol Time-saving removal of stubborn fouling. Special formula for heavily used firearms. Frequent and thorough gun cleaning is not only a prerequisite to achieve maximum performance with your firearm, but also a...
    HKP-21766
    $32.95
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  • New - B&T HK MP5 Adapter for Folding Stock - HKP-21751 HK MP5 Adapter - Folding Stock
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    HK MP5 Adapter - Folding Stock

    B&T Brugger & Thomet

    $114.95
    B&T HK MP5 Adapter for Folding Stock Upgrade your MP5 platform with precision Swiss engineering. The Brügger & Thomet HK MP5 Adapter for Folding Stock provides a secure, reliable mounting interface for B&T’s side-folding stocks...
    HKP-21751
    $114.95
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    $114.95
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  • Out Of Stock
    New - Nefarious Arms HK 416/MR556 11" A3 Barrel - HKP-21619 HK416, MR556 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A3

    HK416, MR556 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A3

    Nefarious Arms

    $594.95
    Nefarious Arms HK 416/MR556 11" A3 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER.  THE MARKING IS NOT VISIBLE ONCE INSTALLED.  THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS WILL...
    HKP-21619
    $594.95
    Out Of Stock
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  • On Sale
    Used - HKP HK UMP (.40 S&W) 30 Round Magazine - USED- HKP-17583-USED HK UMP Magazine - .40 S&W - 30 Round - USED
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    HK UMP Magazine - .40 S&W - 30 Round - USED

    HKP HK Parts

    Now: $36.95
    Was: $49.95
    HKP HK UMP (.40 S&W) 30 Round Magazine - USED Each 30-round magazine will fit all HK UMP .40 caliber carbines, SMGs as well as the USC-UMP .40 caliber conversions. Each magazine features steel feed lips, enhanced polymer construction and all correct...
    HKP-17583-USED
    Now: $36.95
    Was: $49.95
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    Now: $36.95
    Was: $49.95
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  • New - B&T MP9/TP9 Case - HKP-21084 B&T MP9, TP9 Case
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    B&T MP9, TP9 Case

    B&T Brugger & Thomet

    $199.95
    B&T Carrying Case and MP9 and TP9 B&T factory issue MP9 and TP9 carrying cases.  These cases are no longer in production or available from any other vendors.  A limited quantity is available. Get yours before they are all...
    HKP-21084
    $199.95
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    $199.95
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  • New - H&K HK UMP 2 Position Complete Lower - Black - HKP-19117 HK UMP 2 Position Complete Lower
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    HK UMP 2 Position Complete Lower

    H&K Heckler & Koch

    $579.95
    New HK German 2 Position Lower Complete New German Heckler & Koch UMP Lower. 2 position settings (S,F). Each lower comes complete with all the factory internals. This item is ideal for the USC to UMP conversion or to keep as a spare.  Compatible...
    HKP-19117
    $579.95
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    $579.95
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  • New - GSG9 HK G36 Complete Semi-Auto Bolt Group - Black - HKP-18944 HK G36 Bolt Group - Semi-Auto - Complete
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    HK G36 Bolt Group - Semi-Auto - Complete

    GSG9

    $799.95
    GSG9 - HK G36 Semi-Auto Bolt Group Compatible With: HK G36 HK G36K HK G36C This will not work with a HK SL8.
    HKP-18944
    $799.95
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    $799.95
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  • New - Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch - HKP-20100 HK MP5,  GSG Magazine Pouch - Single - .22 LR
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    HK MP5, GSG Magazine Pouch - Single - .22 LR

    Comp-Tac

    $44.95
    Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your MP5 .22 & GSG .22 The PLM mount allows for being securely...
    HKP-20100
    $44.95
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    $44.95
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  • New - DTAC HK93/33/G3K M-LOK Modular Handguard - HKP-20015 HK33, HK93, G3K M-LOK Modular Handguard
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    HK33, HK93, G3K M-LOK Modular Handguard

    DTAC Dakota Tactical

    $189.95
    DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this one-piece main body provides a rigid mounting platform...
    HKP-20015
    $189.95
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    $189.95
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  • New - B&T HK MR556/MR762/416/417 Brass Catcher - HKP-16899 HK416, MR556, HK417, MR762 Brass Catcher
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    HK416, MR556, HK417, MR762 Brass Catcher

    B&T Brugger & Thomet

    $289.95
    B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard.  If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...
    HKP-16899
    $289.95
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    $289.95
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  • New - H&K CR556/CR762 5-Rail Segment - Black - HKP-17510 HK MR556, MR762 Rail Segment - 5 slot
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    HK MR556, MR762 Rail Segment - 5 slot

    H&K Heckler & Koch

    $39.95
    HK MR556 & MR762 Rail Segment - MRS 5 slot Rail ASM New Factory HK 5 slot rail segment for the MRS style HKey mod rail forearms. ***Not compatible with the Euro spec HKey "Small", this is for the Modular Rail System "Large type" HKey spec, which is...
    HKP-17510
    $39.95
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    $39.95
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