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 - HK/Walther/Colt .22LR Threaded Barrel Adapter - Converts 8x.75 To 1/2x28 - HKP-01845 HK MP5, HK416 Barrel Adapter - .22LR - Converts Thread 8x.75 to 1/2x28

    HK MP5, HK416 Barrel Adapter - .22LR - Converts Thread 8x.75 to 1/2x28

    USA

    $29.95
    HK/Walther/Colt .22LR Threaded Barrel Adapter - Converts 8x.75 To 1/2x28 This custom adapter allows you to easily convert your .22LR barrel from 8x.75 to 1/2x28 threads. It replaces the stock flash hider and provides a secure, permanent mounting option...
    HKP-01845
    $29.95
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  • New - HKP 25 Round HK MP5 .22 Magazine Spring - HKP-02786
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    HK MP5 .22 Magazine Spring - 25 Round

    HKP HK Parts

    $3.95
    25 Round HK MP5 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. Please note: This spring can be used to convert the 10-round magazine to...
    HKP-02786
    $3.95
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    $3.95
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  • New - HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter - HKP-17442-M HK416 Pistol Brace and Stock Adapter - AR-15 Style - .22LR
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    HK416 Pistol Brace and Stock Adapter - AR-15 Style - .22LR

    HKP HK Parts

    $34.95
    HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter Specifications: Made in the USA Easy to install no gunsmithing required machined from solid billeted alloy Hard coat anodized for a lifetime of use Compatible With: AR 22, HK /Walther 416 ...
    HKP-17442-M
    $34.95
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    New - RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree - HKP-02190 HK MP5K Locking Piece #28 - 80 Degree

    HK MP5K Locking Piece #28 - 80 Degree

    RCM

    $39.95
    RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree This part is used in conjunction with a suppressor and 147-grain or heavier ammunition. This item is made 100% here in the US from enhanced steel and heat treated to the proper specifications...
    HKP-02190
    $39.95
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  • New - H&K Roller Retainer Pin - New Style - HKP-01954 HK Roller Retainer Pin - New Style
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    HK Roller Retainer Pin - New Style

    H&K Heckler & Koch

    $6.95
    HK Roller Retainer Pin, Clamping Sleeve- New Style This part works with all roller retainer plates and springs. HK started this change of roller retainer pins starting in all 2011-produced bolt heads. Works with all styles of roller retainer plates...
    HKP-01954
    $6.95
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    New - H&K 20 Round HK MR762/417 7.62/.308 Magazine - Black - HKP-01700 HK417, MR762 Magazine - 20 Round

    HK417, MR762 Magazine - 20 Round

    H&K Heckler & Koch

    $69.95
    Heckler and Koch HK MR762 and HK417 - 20 Round Magazine This is the factory OEM magazine for the new HK 7.62 X 51mm rifles. It is the highest magazine capacity available for the HK MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK...
    HKP-01700
    $69.95
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  • New - SB Tactical HK MP5, HK SP5 Retractable Pistol Stabilizing Brace - Black - HKP-19161 HK MP5, SP5 Stabilizing Pistol Brace
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    HK MP5, SP5 Stabilizing Pistol Brace

    SB Tactical

    $265.95
    SB Tactical HK MP5, HK SP5 Retractable Pistol Stabilizing Brace - Black   The HK MP5 and HK SP5 pistol stabilizing brace is 3-position fully adjustable pistol brace and is comprised of a billeted 6061 alloy hard-coat anodized aluminum adapter, steel...
    HKP-19161
    $265.95
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  • New - HKP Universal M-LOK Short Grip - HKP-20681 M-LOK Vertical Foregrip - Short
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    M-LOK Vertical Foregrip - Short

    HKP HK Parts

    $24.95
    HKP Universal M-LOK Short Grip Short vertical grip for M-LOK. This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip.  Features: Just...
    HKP-20681
    $24.95
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  • New - MI MP5 M-LOK Forearm - HKP-18472 HK MP5 Handguard - MLOK
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    HK MP5 Handguard - MLOK

    MI Midwest Industries

    $124.95
    MI MP5 M-LOK Forearm Compatible professional grade one piece design Simple installation, include all tools Mil-spec top rail. Features 15 full and 5 half M-LOK slots. Features two anti-rotation QD sling swivel sockets. Constructed of 6061 aluminum, hard...
    HKP-18472
    $124.95
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  • New - HK MP5 .22 Match Trigger Upgrade Spring Kit - HKP-17335 HK MP5 .22LR Match Trigger Upgrade Spring Kit
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    HK MP5 .22LR Match Trigger Upgrade Spring Kit

    HKP HK Parts

    $17.49
    H&K MP5 .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs The HK Parts Match drop-in spring upgrade set will enhance your MP5-22's trigger pull to an even smooth, crisp, and lighter pull that will promote better control, which in turn promotes...
    HKP-17335
    $17.49
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  • New - HKP HK MP5 .22 Dual Magazine Clamp - HKP-20856-M HK MP5 .22 Dual Magazine Clamp
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    HK MP5 .22 Dual Magazine Clamp

    HKP HK Parts

    $32.95
    HK MP5 .22 Dual Mag Clamp/Coupler The MP5 .22 magazine grip or dual magazine clamp. Fits all MP5  .22  magazines. Holds two magazines together for ease of use and easy access to 2 magazines. This is the way to go if you want to have multiple...
    HKP-20856-M
    $32.95
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  • New - HKP Chamber Face Brush For All Barrels - HKP-00140 HK MP5, HK90 Series Barrel Chamber Face Cleaning Brush
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    HK MP5, HK90 Series Barrel Chamber Face Cleaning Brush

    HKP HK Parts

    $25.99
    HKP Chamber Face Brush For All Barrels This brush was specifically designed to clean those hard-to-reach nooks and crannies in the barrel face.  Threaded to fit all standard 8/32 US cleaning rods. Compatible With: HK91, G3, PTR HK33, HK53, HK93 HK...
    HKP-00140
    $25.99
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