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 416 .22 LR A5 Flash Hider - HKP-21575 HK416 A5 Flash Hider - .22 LR
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    HK416 A5 Flash Hider - .22 LR

    HKP HK Parts

    $59.95
    HKP HK 416 .22 LR A5 Flash Hider Our HK Parts A5 flash hider is a directly mounted upgrade that will enhance the appearance of your 416 .22LR build, perfect for those aiming to achieve an authentic A5 style. It comes with an O-ring for secure attachment,...
    HKP-21575
    $59.95
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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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    $22.95
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  • New - HKP MP5K 10mm Pistol Build Kit - HKP-21533 HK MP5K Parts Kit - 10mm - Pistol Build
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    HK MP5K Parts Kit - 10mm - Pistol Build

    HKP HK Parts

    $1,889.95
    HKP MP5K 10mm Pistol Build Kit MP5K 10mm complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and suppressors...
    HKP-21533
    $1,889.95
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    $1,889.95
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  • On Sale
    New - Magpul HK MP5 Adapter Brace with Stock - HKP-21402-M HK MP5 Stock With Direct Fit Adapter
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    HK MP5 Stock With Direct Fit Adapter

    HKP HK Parts / Magpul

    Now: $149.95
    Was: $189.95
    HK MP5 Stock With Direct Fit Adapter MP5 DT Magpul stock ready to install on any in-spec MP5 receiver or clone. We take our AR MP5 Adapter and attach it onto a mil-spec buffer tube before combining it with the new Magpul DT Carbine stock. This is a great...
    HKP-21402-M
    Now: $149.95
    Was: $189.95
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    Now: $149.95
    Was: $189.95
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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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    $71.99
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  • On Sale
    New - TPM - Titanium 3 Port Muzzle Brake .30 Cal - Black - HKP-20777 Muzzle Brake - Titanium 3 Port .30 Cal
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    Muzzle Brake - Titanium 3 Port .30 Cal

    Tactical Precision MFG

    Now: $42.95
    Was: $84.99
    TPM - Titanium 3 Port Muzzle Brake .30 Cal This radially ported muzzle brake is for Ruger American and many other lightweight mountain rifles. Features: Weight:0.67 oz Material: Grade 5 titanium Color: Black Threading: 5/8x24
    HKP-20777
    Now: $42.95
    Was: $84.99
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    Now: $42.95
    Was: $84.99
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  • New - H&K A3 Parkerized Stock Protective Cover - HKP-20649 HK A3 Buttstock Protective Cover - Parkerized
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    HK A3 Buttstock Protective Cover - Parkerized

    H&K Heckler & Koch

    $19.95
    H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place. 
    HKP-20649
    $19.95
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    $19.95
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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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  • Out Of Stock
    New - H&K HK G36, HK SL8 Roll Pin for Gas Piston - Black - HKP-16386

    HK G36, SL8 Roll Pin - Gas Piston

    H&K Heckler & Koch

    $9.95
    H&K HK G36, HK SL8 Roll Pin for Gas Piston
    HKP-16386
    $9.95
    Out Of Stock
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    $9.95
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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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    $24.95
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  • New - HKP PTR HK91 / PTR-91 Bolt Head Complete - HKP-20140 HK91, PTR-91 Bolt Head Complete
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    HK91, PTR-91 Bolt Head Complete

    PTR

    $179.95
    HKP PTR HK91 / PTR-91 Bolt Head Complete New PTR bolt head complete with extractor, extractor spring, roller retainer plate, pair of 8mm rollers. Ready to drop in to replace your worn out bolt head. Bolt head counts as 1 US made compliance part for the...
    HKP-20140
    $179.95
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    $179.95
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  • New - Lancer 30 Round AR15, M4 223 Rem/556NATO Magazine - Translucent - HKP-19558 HK416, MR556 Magazine - 30 Round - Translucent
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    HK416, MR556 Magazine - 30 Round - Translucent

    Lancer

    $25.95
    Lancer, L5 Advanced Warfighter Magazine, 223 Rem/5.56, 30Rd, Fits AR Rifles, Translucent Lancer set out to engineer a better magazine; one with the reliability of steel" durability of polymer and weight of aluminum - the L5AWM. The magazine design...
    HKP-19558
    $25.95
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    $25.95
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