Parts

Parts

At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.

Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.

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  • New - HK 91, G3 7.62x51 / .308 Chamber Flute Brush - HKP-00500
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    HK91, G3 Barrel Chamber Flute Cleaning Brush

    H&K Heckler & Koch

    $25.95
    Heckler and Koch New Chamber Flute Brush for HK91 and HK G3 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a HKG3 or HK91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly...
    HKP-00500
    $25.95
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    Qty in Cart: 0
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    $25.95
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  • On Sale
    New - Choate MP5 & HK94 Folding Stock - HKP-00171 HK MP5, HK94 Folding Stock
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    HK MP5, HK94 Folding Stock

    Choate

    Now: $186.95
    Was: $219.95
    Choate Folding Stock for HK MP5 and HK94 Each stock features the same quick open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you will never have...
    HKP-00171
    Now: $186.95
    Was: $219.95
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    Now: $186.95
    Was: $219.95
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  • On Sale
    New - Safariland Break Free CLP - HKP-15435 Safariland Break Free CLP Safariland HKP-15435
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    Firearm Cleaning Oil - Break Free CLP - .5 oz

    Safariland

    Now: $3.95
    Was: $4.95
    Break Free Cleaner, Lubricant and Preservative 1/2 OZ. Features: Penetrates and spreads along metal surfaces into every, crack, pit and crevice to undercut contamination and lift. carbon, fouling and residue away. Long-lasting lubricating film...
    HKP-15435
    Now: $3.95
    Was: $4.95
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    Now: $3.95
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  • Out Of Stock
    On Sale
    New - RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH - HKP-19203 HK VP9L Barrel - 9mm - 5.6" - Threaded 1/2x28 RH

    HK VP9L Barrel - 9mm - 5.6" - Threaded 1/2x28 RH

    RCM

    Now: $235.95
    Was: $262.50
    RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9L 9mm pistol,...
    HKP-19203
    Now: $235.95
    Was: $262.50
    Out Of Stock
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    Now: $235.95
    Was: $262.50
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  • New - H&K 91/G3 (7.62x51/.308) Rubberized Cocking Handle - HKP-00509 HK91, G3 Cocking Handle - Rubberized
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    HK91, G3 Cocking Handle - Rubberized

    H&K Heckler & Koch

    $32.95
    HK German G3 & HK 91 Rubberized Cocking Handle - Newest Style A genuine Heckler & Koch part. This is the latest style cocking handle that replaces the standard plastic style cocking handle that chips, cracks, and eventually falls off. This new...
    HKP-00509
    $32.95
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    Qty in Cart: 0
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    $32.95
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  • New - H&K / HKP 22 Round HK VP9 9mm Enhanced Magazine Complete - HKP-21405-M HK VP9, P30 Magazine - 22 Round - Enhanced - 9mm
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    HK VP9, P30 Magazine - 22 Round - Enhanced - 9mm

    HKP HK Parts / Heckler & Koch

    $89.95
    22 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30, P30L HK Parts VP9 & P30 enhanced 22 round magazine. The added grooves enhance dexterity during those quick mag swaps. Designed with shooters in mind that operate with gloves and/or in wet...
    HKP-21405-M
    $89.95
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    $89.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used - HKP-16265 HK91, G3 Slimline Handguard - OD Green - Used
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    HK91, G3 Slimline Handguard - OD Green - Used

    H&K Heckler & Koch

    $14.95
    H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used This is a used German Military surplus OD green Slimline Forearm with a heat shield. Each forearm is in good condition and can be restored with a bit of TLC. The conditions range from good...
    HKP-16265
    $14.95
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    Qty in Cart: 0
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    $14.95
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  • New - H&K Burst Trigger Pack Compression Rod Spring - HKP-16199
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    HK90 Series Compression Spring for Shifter Rod on Burst Trigger Packs

    H&K Heckler & Koch

    $10.95
    H&K Burst Trigger Pack Compression Rod Spring Burst pack compression spring for compression rod found in all HK Burst Trigger Packs. This part, along with the compression rod, is the number one most common wear or breakage parts in HK Burst Packs...
    HKP-16199
    $10.95
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    Qty in Cart: 0
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    $10.95
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  • On Sale
    New - HK 416/417 Buffer Retainer - HKP-20040
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    HK416, MR566, HK417 MR762 Buffer Retainer

    HK HAUS

    Now: $7.95
    Was: $9.95
    HK Haus Buffer Retainer for HK416, HK417 New HK USA manufacture for the HK416 and HK417 family of firearms. Made from stainless steel.
    HKP-20040
    Now: $7.95
    Was: $9.95
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    Now: $7.95
    Was: $9.95
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  • New - H&K HK VP9, HK P30, HK 45 Adjustable Match Sights Fiber Optic - Other - HKP-18828 HK VP9, P30, HK45 Adjustable Match Sights Fiber Optic
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    HK VP9, P30, HK45 Adjustable Match Sights Fiber Optic

    H&K Heckler & Koch

    $117.95
    H&K HK VP9, HK P30, HK 45 Adjustable Match Sights Fiber Optic - Other LPA Match Sights with Fiber Optic inserts. Adjustable in elevation and windage (front and rear sight set) Compatible With: HK VP9, VP9SK, VP40 (Excluding VP9 Optics Ready) HK...
    HKP-18828
    $117.95
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    Qty in Cart: 0
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    $117.95
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  • On Sale
    New - HKP Single Point Leather & Cotton Sling - HKP-21321-M HK Single Point Leather & Cotton Sling
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    HK Single Point Leather & Cotton Sling

    HKP HK Parts

    Now: $47.95
    Was: $59.95
    Single Point Leather & Cotton Sling  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...
    HKP-21321-M
    Now: $47.95
    Was: $59.95
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    Now: $47.95
    Was: $59.95
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  • On Sale
     HKP Sig Sauer P320 Compensator Nitron 9mm Sig Sauer P320 Nitron Compensator - 9mm
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    Sig Sauer P320 Nitron Compensator - 9mm

    HKP HK Parts

    Now: $99.95
    Was: $189.95
    HKP SIG P320 Compensator - Nitron 9mm    Our P320 Nitron compensator reduces recoil and muzzle flip. Each unit is 100% US made and finished in durable black cerakote. Our Nitron compensator features a picatinny rail to mount lights/lasers...
    HKP-21300
    Now: $99.95
    Was: $189.95
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    Now: $99.95
    Was: $189.95
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