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 - RCM HK33K (5.56/.223) Barrel - Threaded 15x1 - HKP-02319 HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1
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    HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1

    RCM

    $234.95
    RCM HK33K (5.56/.223) Barrel - Threaded 15x1 Enhance your HK33K with the RCM 12.7" barrel, crafted from cold hammer-forged steel. The nitride finish provides exceptional corrosion and wear resistance, and the fully fluted chamber meets stringent HK...
    HKP-02319
    $234.95
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  • New - HKP MP5K 9mm Complete Pistol Build Kit - HKP-02604 HK MP5K Parts Kit - 9mm - Pistol Build
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    HK MP5K Parts Kit - 9mm - Pistol Build

    HKP HK Parts

    $1,889.95
    MP5K, MP5K-N Style Pistol Build Kit Complete  The finest USA and German-made parts for a complete parts kit for an MP5K, MP5K-N pistol build. Each Kit Includes The Following HK Parts: Barrel - 5.5" button rifled, 3-lugged & threaded 1/2x28 with...
    HKP-02604
    $1,889.95
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  • New - H&K MP5K/SP89/SP5K 9mm Cocking Tube Support Complete - HKP-00399
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    HK MP5K, SP89, SP5K Cocking Tube Support - 9mm - Complete

    H&K Heckler & Koch

    $123.99
    HK German MP5K, SP89, & SP5K Cocking Tube Support Complete - New Each support is complete with a detent and spring installed. These can also be used to replace the plastic or cheaply made steel or aluminum clone parts found in many clones and builds...
    HKP-00399
    $123.99
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  • New - HKP Front Sight Tower Ambi Sling Attachment Weldment - HKP-17881 HK MP5, MP5K Sling Attachment Weldment - Ambi - Front End
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    HK MP5, MP5K Sling Attachment Weldment - Ambi - Front End

    HKP HK Parts

    $14.95
    HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...
    HKP-17881
    $14.95
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    $14.95
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  • New - HKP (5.56/.223) Bore Cleaning Brush - HKP-03331
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    Barrel Bore Cleaning Brush - 5.56 / .223

    HKP HK Parts

    $1.95
    Bore Cleaning Brush For .223/556 Calibers  
    HKP-03331
    $1.95
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    $1.95
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  • Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S
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    Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S

    Frost Defense

    $239.95
    Aimpoint T-2, H-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T2/H2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...
    HKP-22338-M
    $239.95
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  • Out Of Stock
    HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter

    HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter

    F5 MFG

    $229.95
    HK MP5/SP5 ACR Folding Stock w/Adapter Upgrade your MP5 platform with the F5-ACR Stock.  Precision machined from 6061 billet aluminum for unmatched durability. Built for law enforcement, personal defense, and enthusiasts, this stock is lightweight,...
    HKP-22253-M
    $229.95
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  • New - B&T SchleTek Carbon Cleaner 500 ml Aerosol - HKP-21766
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    Carbon-Cleaner - 500 ml Aerosol

    SchleTek

    $32.95
    SchleTek Carbon Cleaner 500 ml Aerosol Time-saving removal of stubborn fouling. Special formula for heavily used firearms. Frequent and thorough gun cleaning is not only a prerequisite to achieve maximum performance with your firearm, but also a decisive...
    HKP-21766
    $32.95
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  • On Sale
    Used - HKP HK UMP (.40 S&W) 30 Round Magazine - USED- HKP-17583-USED
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    HK UMP Magazine - .40 S&W - 30 Round - USED

    HKP HK Parts

    Now: $36.95
    Was: $49.95
    HKP HK UMP (.40 S&W) 30 Round Magazine - USED Each 30-round magazine will fit all HK UMP .40 caliber carbines, SMGs as well as the USC-UMP .40 caliber conversions. Each magazine features steel feed lips, enhanced polymer construction and all correct...
    HKP-17583-USED
    Now: $36.95
    Was: $49.95
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  • New - MI Blast Can - 1/2x28 Thread (5.56/9mm) - HKP-21535 Blast Can - Threaded 1/2x28 - 9mm, 5.56 / .223
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    Blast Can - Threaded 1/2x28 - 9mm, 5.56 / .223

    MI Midwest Industries

    $38.95
    MI Blast Can 1/2x28 Thread (5.56/9mm) Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does not reduce recoil or flash. Constructed from 6061 aluminum, and hardcoat anodized for a lifetime of service 1/2x28 threads for 5...
    HKP-21535
    $38.95
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  • On Sale
    New - TPM Ruger Bolt Shroud - Bronze - HKP-20905 Ruger 10/22 Bolt Shroud - Bronze
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    Ruger 10/22 Bolt Shroud - Bronze

    Tactical Precision MFG

    Now: $27.95
    Was: $66.99
    Tactical Precision MFG Ruger 10/22 Bronze Bolt Shroud  This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5...
    HKP-20905
    Now: $27.95
    Was: $66.99
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  • On Sale
    New - TPM Tikka T3 Bolt Handle Upgrade - HKP-20901 Tikka T3 Bolt Handle - Upgrade
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    Tikka T3 Bolt Handle - Upgrade

    Tactical Precision MFG

    Now: $34.95
    Was: $69.99
    TPM Tikka T3 Bolt Handle Upgrade Designed for exact Tikka specs. Tikka T3 upgraded bolt handle is 17-4 stainless steel for optimal strength and durability. This upgraded bolt handle was designed with a 20-degree angle to help improve bolt manipulation...
    HKP-20901
    Now: $34.95
    Was: $69.99
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