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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  • Out Of Stock
    New - Nefarious Arms HK 416/MR556 14.5" A5 Barrel - HKP-21590 HK416, MR556 Barrel - 5.56 - 14.5" - Threaded 1/2"x28 - A5

    HK416, MR556 Barrel - 5.56 - 14.5" - Threaded 1/2"x28 - A5

    Nefarious Arms

    $594.95
    Nefarious Arms HK 416/MR556 14.5" A5 Barrel Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting.  Grab this expertly crafted barrel for your next SBR or pistol build.  Compatible With: HK 416 (A5,...
    HKP-21590
    $594.95
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  • New - Magpul Moe K2 XL AR Grip - HKP-21554 HK416, MR556, HK417, MR762 Pistol Grip - K2 XL
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    HK416, MR556, HK417, MR762 Pistol Grip - K2 XL

    Magpul

    $22.95
    Magpul Moe K2 XL AR Grip Designed for shooters with larger hands, the K2-XL Grip is similar to the MOE-K2 Grip – AR15/M4 but  nearly 25% bigger. A drop-in upgrade for the AR15/M4, it offers a more vertical grip angle thereby improving comfort...
    HKP-21554
    $22.95
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  • Used - HK G3 Incomplete Backplate - Painted - HKP-21541 HK G3 Incomplete Backplate - Painted
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    HK G3 Incomplete Backplate - Painted

    H&K Heckler & Koch

    $29.95
    HK G3 Incomplete Backplate -  Factory German G3 refinished backplate. A great replacement or spare to have around to replace your broken or worn out backplates.  Please note you will need two rivets, nylon ring, recoil spring in order to...
    HKP-21541
    $29.95
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  • New - B&T G36 (5.56/.223) Flash Hider with Interface for Rotex - HKP-21531 HK G36 Flash Hider with Interface for Rotex
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    HK G36 Flash Hider with Interface for Rotex

    B&T Brugger & Thomet

    $144.99
    B&T G36 (5.56/.223) Flash Hider with Interface for Rotex Compatible With: HK G36 HK93, HK33 5.56/.223 firearms threaded 15X1 RH Specifications: Made in Switzerland Threaded 15x1 RH Does not include face shims
    HKP-21531
    $144.99
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  • New - B&T Angled Foregrip - Picatinny Mount - Universal - HKP-21392 B&T Angled Foregrip - Picatinny
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    B&T Angled Foregrip - Picatinny

    B&T Brugger & Thomet

    $71.99
    B&T Angled Foregrip - Coyote Tan - Picatinny Mount For those shooters who prefer an angled foregrip, this grip is the perfect solution. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto...
    HKP-21392
    $71.99
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  • On Sale
    New - JMAC G36K/HK33 Compensator (KeyMicro) - Threaded 15x1 - HKP-21257 HK G36K, HK33 Compensator - KeyMicro - Threaded 15x1
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    HK G36K, HK33 Compensator - KeyMicro - Threaded 15x1

    JMAC Customs

    Now: $86.95
    Was: $109.95
    JMAC 5.56 / .223 KeyMicro Compensator Threaded 15x1 for HK G36K and HK33 In order to use this device with a suppressor, it must be installed by a professional to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with bore...
    HKP-21257
    Now: $86.95
    Was: $109.95
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    Was: $109.95
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  • New - Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange - HKP-21103 PTR Flat Tip Front Sight - Gen 2 - Orange
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    PTR Flat Tip Front Sight - Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...
    HKP-21103
    $84.95
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  • New - HKP Single Point Leather Sling - OD Green - HKP-20163 HK Single Point Leather Sling - OD Green
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    HK Single Point Leather Sling - OD Green

    HKP HK Parts

    $49.95
    Single Point Leather Sling - OD Green 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-20163
    $49.95
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  • New - H&K HK G36 Complete Full Auto Slide - HKP-16360 HK G36 Complete Full Auto Slide
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    HK G36 Complete Full Auto Slide

    H&K Heckler & Koch

    $24.95
    H&K HK G36 Complete Full Auto Slide  
    HKP-16360
    $24.95
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  • Out Of Stock
    New - B&T Vertical Fixed Unigrip - Black - HKP-18043

    Picatinny Vertical Fixed Unigrip

    B&T Brugger & Thomet

    $119.00
    B&T Brugger and Thomet Vertical Fixed Unigrip for  Swiss made B&T vertical forend grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material:...
    HKP-18043
    $119.00
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  • Used - H&K German Leather Sling - Well Used with No Loop - HKP-20583 HK G3 Leather Sling - Well Used with No Loop
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    HK G3 Leather Sling - Well Used with No Loop

    H&K Heckler & Koch

    $39.80
    Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91, G3 PTR91, CETMEHK93 HK33, HK53 HK94 MP5 HK clones Other custom...
    HKP-20583
    $39.80
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  • Out Of Stock
    New - Trijicon HK SP89, Carbines, Rifles Bright & Tough Night Sights - HKP-20321 HK SP89, Carbines, Rifles Bright and Tough Night Sights

    HK SP89, Carbines, Rifles Bright and Tough Night Sights

    Trijicon

    $159.95
    Trijicon HK SP89, Carbines, Rifles Bright & Tough Night Sights Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they...
    HKP-20321
    $159.95
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