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 40 Locking Roller -4 - HKP-17561
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    HKP HK MP5 40 Locking Roller -4

    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-17561
    $11.95
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  • New - H&K HK MR556/416 Bolt Carrier - HKP-02718 HK416, MR556 Bolt Carrier
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    HK416, MR556 Bolt Carrier

    H&K Heckler & Koch

    $397.95
    H&K HK MR556/416 Factory Bolt Carrier With The Newer Style Bolt Retaining Key  This is the factory one-piece carrier that has the out-of-battery disconnect and the bolt retaining latch assemblies installed to make up the HK MR556 (556...
    HKP-02718
    $397.95
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  • HK UMP Mag Release - Enhanced - Billeted - 9mm / .40 S&W / .45 ACP
HK UMP Mag Release - Enhanced - Billeted - 9mm / .40 S&W / .45 ACP
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    HK UMP Mag Release - Enhanced - Billeted - 9mm / .40 S&W / .45 ACP

    HKP HK Parts

    $34.95
    HK UMP Paddle Magazine Release - Enhanced This is a very common replacement part as they are fairly easy to break on the UMP lower. With this new mag release, you'll get a wider release as well as a much more durable part. Simple & easy to install no...
    HKP-18758
    $34.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Surplus - HKP-18315 HK91, G3 Handguard - Slimline Style- Used Surplus
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    HK91, G3 Handguard - Slimline Style- Used Surplus

    H&K Heckler & Koch

    $14.95
    Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms
    HKP-18315
    $14.95
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  • Out Of Stock
    New - H&K -2 Roller For Bolt Head 7.98mm - Under-sized - HKP-00505 HK -2 Roller For Bolt Head 7.98mm - Under-sized

    HK -2 Roller For Bolt Head 7.98mm - Under-sized

    H&K Heckler & Koch

    $19.95
    H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...
    HKP-00505
    $19.95
    Out Of Stock
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  • HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract
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    HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract

    HKP HK Parts

    $99.95
    HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract HKP dual mag clamp with two Turkish contract 30 round 9mm MP5 magazines.  Ideal for faster mag swaps and having two types of ammo (subs vs supers or FMJ's vs JHP's) ready to load...
    HKP-22492
    $99.95
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    $99.95
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  • Out Of Stock
    New - H&K MR556/MR762/416/417 A4 Battle Grip - Black - HKP-22028 HK416, MR556, HK417 A4, MR762 Pistol Grip - Black

    HK416, MR556, HK417 A4, MR762 Pistol Grip - Black

    H&K Heckler & Koch

    $16.95
    H&K MR556/MR762/416/417 A4 Battle Grip - Black Factory H&K battle grip in black. Compatible With: MR556 A1/A4 HK416 HK MR762 A1/A4 HK 417 HK M27 HK G28 AR-15, M4, & M16 Platforms
    HKP-22028
    $16.95
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  • New - B&T Blast Deflector - A2 NATO Interface - HKP-21777 B&T Blast Deflector - A2 NATO Interface
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    B&T Blast Deflector - A2 NATO Interface

    B&T Brugger & Thomet

    $300.00
    B&T Blast Deflector - A2 NATO Interface This blast deflector is designed for NATO style A2 ("birdcage") flash hiders. Offering a universal fit for 5.56 rifles featuring the standard A2 flash hider. It directs muzzle blast forward, preventing...
    HKP-21777
    $300.00
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    $300.00
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  • New - Blitzkrieg PTR Spike Front Sight Gen 2 - Orange - HKP-21105 PTR Spike Front Sight Gen 2 - Orange
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    PTR Spike Front Sight Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg PTR Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a modernized sighting system with enhanced precision and ease of use. Featuring a distinctive spike-tipped post and a bright Tritium dot with an orange...
    HKP-21105
    $84.95
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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
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  • Used - H&K 90 Series Trigger German HK - Refinished - HKP-20678 HK90 Series Trigger - Refinished
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    HK90 Series Trigger - Refinished

    H&K Heckler & Koch

    $19.95
    Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    HKP-20678
    $19.95
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  • New - HKP HK93, HK33 Spare Parts Kit - HKP-20674 HK93, HK33 Spare Parts Kit
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    HK93, HK33 Spare Parts Kit

    H&K Heckler & Koch

    $209.95
    HKP HK93, HK33 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK93, HK33 going. This offering also includes a pouch to safely store all your replacement parts and needed tools to have on hand when required. This...
    HKP-20674
    $209.95
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    $209.95
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