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 - HKP - HK MP5 .22LR Brace/Stock Adapter - HKP-21543 HK MP5 Stock or Brace Adapter - .22LR
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    HK MP5 Stock or Brace Adapter - .22LR

    HKP HK Parts

    $99.95
    HKP - HK MP5 .22LR Brace/Stock Adapter Expertly crafted from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Buffered with factory correct “H” buffers to ensure maximum protection for your valuable...
    HKP-21543
    $99.95
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    $99.95
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  • New - JMAC Universal M-LOK Skeleton Forward Grip - HKP-21240 M-LOK Foregrip - Skeleton
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    M-LOK Foregrip - Skeleton

    JMAC Customs

    $89.95
    JMAC Universal M-LOK Skeleton Forward Grip  Can be used as a forward grip or a handstop! Features: Reversible and Lightweight M-LOK Compatible (Requires 2 slots) Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat...
    HKP-21240
    $89.95
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    $89.95
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  • On Sale
    New - Omega HK UMP .45 ACP Barrel - 3-Lug - HKP-21070 HK UMP Barrel - .45 ACP - 3 Lug Adapter
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    HK UMP Barrel - .45 ACP - 3 Lug Adapter

    OMEGA

    Now: $344.95
    Was: $449.95
    Omega HK UMP .45 ACP Barrel - 3-Lug This is the newest barrel for the UMP to hit the market that will come with a removable 3-lug adapter. The 3-lug adapter will be the same spec as the MP5 3 lug, making your UMP more versatile when it comes down to...
    HKP-21070
    Now: $344.95
    Was: $449.95
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    Now: $344.95
    Was: $449.95
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  • Out Of Stock
    New - HKP HK MP5K, SP5K, SP89 Single Point Leather Sling - Dark Brown - HKP-20270 HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown

    HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Dark Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20270
    $49.95
    Out Of Stock
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    $49.95
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  • New - SB Tactical HK MP5 SBA3 5 Position Adjustable Stabilizing Brace - Black - HKP-20276 HK MP5 Pistol Stabilizing Brace- SBA3 - 5 Position Adjustable
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    HK MP5 Pistol Stabilizing Brace- SBA3 - 5 Position Adjustable

    SB Tactical

    $269.95
    SBA3 - 5 Position Adjustable Stabilizing Brace - MP5 The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an integral,...
    HKP-20276
    $269.95
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    $269.95
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  • On Sale
    New - SB Tactical Pistol HK93/33/53 SBA4 Stabilizing Brace & Adapter - HKP-19929 HK33, HK53, HK93 Pistol Stabilizing Brace - SBA4 - Adapter Included
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    HK33, HK53, HK93 Pistol Stabilizing Brace - SBA4 - Adapter Included

    SB Tactical

    Now: $265.45
    Was: $294.95
    SB Tactical Pistol HK93/33/53 SBA4 Stabilizing Brace & Adapter Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket...
    HKP-19929
    Now: $265.45
    Was: $294.95
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    Now: $265.45
    Was: $294.95
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  • New - H&K HK MP5, MP5K MIM & Machined Rear Sight Base - HKP-19705 HK MP5, MP5K Rear Sight Base - MIM and Machined
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    HK MP5, MP5K Rear Sight Base - MIM and Machined

    H&K Heckler & Koch

    $14.95
    Heckler and Koch Rear Sight Base - Weldment for HK MP5 and HK MP5K New HK MP5, MP5K 17-4 Stainless H900 rear sight base. The most correct MP5, MP5K rear sight base available. The only factory correct sight base with the factory HK German side axis...
    HKP-19705
    $14.95
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    $14.95
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  • On Sale
    HK MP5 Foregrip Weapon Light - 628 Momentary - USED HK MP5 Foregrip Weapon Light - 628 Momentary - USED
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    HK MP5 Foregrip Weapon Light - 628 Momentary - USED

    Surefire

    Now: $399.95
    Was: $499.95
    Surefire 628 HK MP5 - Momentary Handguard - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY NO BATTERIES INCLUDED. USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Surefire 628 momentary forearm used...
    HKP-19403-B
    Now: $399.95
    Was: $499.95
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    Now: $399.95
    Was: $499.95
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  • New - H&K HK MR762/417 Magazine Catch Spring - HKP-16520
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    HK417, MR762 Magazine Catch Spring

    H&K Heckler & Koch

    $9.95
    Heckler and Koch Magazine Catch Spring for HK417 and HK MR762 New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK417, MR762 G28
    HKP-16520
    $9.95
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  • New - HKP HK MP5 40 Locking Roller +4 - HKP-17562
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    HK MP5 Locking Roller +4 - .40 S&W

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, +4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...
    HKP-17562
    $11.95
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    $11.95
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  • New - H&K HK MR556/416 Enhanced Field Cleaning Kit - HKP-17061 HK416, MR556 Enhanced Field Cleaning Kit
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    HK416, MR556 Enhanced Field Cleaning Kit

    H&K Heckler & Koch

    $169.95
    HK HK416/ MR556 (all variants & models) field cleaning kit- Enhanced Cleaning kit made both the HK 416, MR556 series of rifles and MG's. Includes: Saf-T-Clad Cleaning Rod HK Carbon Scraping Tool Accessory Adapter Section #8-32 Patch Holder Chamber...
    HKP-17061
    $169.95
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    $169.95
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  • Used - H&K G3 Parts Kit - RCM Barrel - HKP-16577 HK91, G3 Parts Kit - RCM Barrel
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    HK91, G3 Parts Kit - RCM Barrel

    H&K Heckler & Koch

    $518.95
    HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...
    HKP-16577
    $518.95
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    $518.95
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