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 - RCM HK34 MP5 9mm Barrel - Non-Threaded - HKP-00927 HK MP5, HK94, HK34 Barrel - 9mm - 16.5" - Non-Threaded
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    HK MP5, HK94, HK34 Barrel - 9mm - 16.5" - Non-Threaded

    RCM

    $264.95
    RCM MP5, HK34, HK94 9mm Barrel - Non-Threaded Each non-threaded barrel is hand-selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled and chambered in the desirable 16 flute chamber profile. Each barrel is finished...
    HKP-00927
    $264.95
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  • Out Of Stock
    HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New

    HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New

    H&K Heckler & Koch

    $34.95
    Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - Like New Factory German HK 20 round magazine for HK91, G3, and PTR91 pattern rifles. Offered in IB or IC date codes for those seeking original German date coded magazines in like new condition...
    HKP-22560-M
    $34.95
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  • New - H&K HK MR556/HK 416 A4/A5 Barrel Nut - HKP-21938 HK416 A4, MR556 A5 Barrel Nut
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    HK416 A4, MR556 A5 Barrel Nut

    H&K Heckler & Koch

    $60.95
    H&K HK MR556 A4/HK 416 A5 Barrel Nut This precision-machined steel barrel nut is designed specifically for H&K’s MR556 A4 and HK416 A5 rifles. It secures the barrel and supports the proprietary HK free-floating handguard system, offering...
    HKP-21938
    $60.95
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    $60.95
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  • New - H&K HK21 200 Round Belt with Starter Tab - HKP-21925 HK21 Ammunition Belt with Starter Tab - DM6 - 200 Round
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    HK21 Ammunition Belt with Starter Tab - DM6 - 200 Round

    H&K Heckler & Koch

    $114.95
    Heckler and Koch DM6 200 Round Belt with Starter Tab - for HK21 7.62x51/.308 Custom 200 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just aren't enough! Compatible With: HK21
    HKP-21925
    $114.95
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  • New - M13 Starter Tab with 50 M13 Links - HKP-21904 HK23, HK21, HK11 Starter Tab with 50 Links - 7.62x51 - M13
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    HK23, HK21, HK11 Starter Tab with 50 Links - 7.62x51 - M13

    $24.95
    M13 Starter Tab with 50 M13 Links Designed for efficient ammunition handling, this set includes one M13 starter tab and 50 M13 disintegrating metallic links. Ideal for use with 7.62mm linked ammunition belts, providing reliable feeding and easy assembly...
    HKP-21904
    $24.95
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  • New - Blitzkrieg PTR Flat Front Sight Gen 2 - Luminescent Green - HKP-21104 PTR Flat Tip Front Sight - Gen 2 - Luminescent Green
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    PTR Flat Tip Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional flat-tipped post and a striking Tritium dot with a Lumi Green...
    HKP-21104
    $87.95
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  • New - Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing - HKP-20933-M HK MP5K Binary Trigger Group - Ambi - BFSIII - 9mm
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    HK MP5K Binary Trigger Group - Ambi - BFSIII - 9mm

    FA Franklin Armory

    $1,899.95
    Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the...
    HKP-20933-M
    $1,899.95
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  • New - Geissele HK 416 10.5" M-LOK Handguard - DDC - HKP-20225 HK416, MR556 Super Modular Handguard - 10.5" - M-LOK - DDC
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    HK416, MR556 Super Modular Handguard - 10.5" - M-LOK - DDC

    Geissele

    $468.95
    Geissele 10.5" M-LOK Handguard - DDC for HK416 The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength,...
    HKP-20225
    $468.95
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  • New - H&K HK MP5/91/93/53/33/G3 Sear/Catch - HKP-01459
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    HK91, G3, MP5 Sear Catch - Steel - New Build

    H&K Heckler & Koch

    $69.95
    Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...
    HKP-01459
    $69.95
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  • New - GSG9 HK G36K Forearm - Black - HKP-18217 HK G36K Handguard
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    HK G36K Handguard

    GSG9

    $120.95
    GSG9 Handguard with Hand Stop and Heat Shield for HK G36K HK G36K length latest production HK G36K handguard with built in heat shield. Each unit features a built in hand stop with sling attachment points. Built in hard mounting points for adding...
    HKP-18217
    $120.95
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  • New - Choate HK MP5K/SP89 & Zenith Model Z-5P/Z-5K M4 Telescoping Stock - Black - HKP-19893 HK MP5K, SP89, Z-5P, Z-5K M4 Telescopic Stock
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    HK MP5K, SP89, Z-5P, Z-5K M4 Telescopic Stock

    Choate

    $239.95
    Choate M4 Telescopic Stock HK MP5K, SP89 and Zenith Models Z-5P, Z-5K  The telescopic stock for the H&K MP5K and SP89 and Zenith Firearms models Z-5P and Z-5K replaces the existing stock and gives the shooter the ability to change the...
    HKP-19893
    $239.95
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  • New - H&K HK 417/MR762 Magazine Catch - HKP-16681 HK417, MR762 Magazine Catch
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    HK417, MR762 Magazine Catch

    H&K Heckler & Koch

    $49.95
    Heckler and Koch Magazine Catch for HK417 and HK MR762  This is the actual mag catch for the MR762 and HK417 family of firearms. A great spare to have on hand. Compatible With: HK417, MR762
    HKP-16681
    $49.95
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