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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    Used - H&K MP5 , HK94 Factory A3 Stock - Used - HKP-21644 HK MP5 , HK94 Factory A3 Stock - Used

    HK MP5 , HK94 Factory A3 Stock - Used

    H&K Heckler & Koch

    $739.95
    H&K MP5 & HK94 Factory A3 Stock - Used The original Navy-style German HK MP5 A3 stock is a rare find as it's no longer in production and has been replaced by the MP5 F-style stock. We are offering the sought-after second-generation MP5 A3...
    HKP-21644
    $739.95
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  • New - MI Blast Can - 1/2x28 Thread (5.56/9mm) - HKP-21535 MI Blast Can - 1/2x28 Thread (5.56/9mm)
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    MI Blast Can - 1/2x28 Thread (5.56/9mm)

    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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  • Out Of Stock
    Used - H&K HK UMP .40 - 30 Round Magazine - Used - HKP-20816 HK UMP .40 - 30 Round Magazine - Used

    HK UMP .40 - 30 Round Magazine - Used

    H&K Heckler & Koch

    $49.95
    30 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-20816
    $49.95
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  • New - B&T Quick Detach Aluminum Unigrip - Black - HKP-19473 B&T Unigrip - Quick Detach - Aluminum
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    B&T Unigrip - Quick Detach - Aluminum

    B&T Brugger & Thomet

    $150.00
    B&T Quick Detach Aluminum Unigrip - Black This simple fore grip is designed to be mounted on the NAR/Picatinny rail of the gun. The grip is hollow and can be used as a storage compartment after unscrewing the bottom lid. Thanks to the QD mount, the...
    HKP-19473
    $150.00
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    $150.00
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  • Out Of Stock
    Used - KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204 Used - KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204

    HK417, MR762, G28 Magazine Release - Ambidextrous

    KDG Kinetic Development Group

    $169.95
    Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles.  The mag release is a lever instead of a button; where the release has been...
    HKP-19204
    $169.95
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    New - Solar Tactical HK UMP Kydex Grip Wrap - Black - HKP-19142 HK UMP Grip Wrap - Kydex

    HK UMP Grip Wrap - Kydex

    Solar Tactical

    $89.95
    Solar Tactical HK UMP Kydex Grip Wrap Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap-around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10rds. Preban hi-capacity...
    HKP-19142
    $89.95
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  • New - HK 416, MR556 Roll Pin for Charging Handle - HKP - HKP-16536
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    HK416, MR556 Charging Handle Roll Pin

    $7.95
    HK 416, MR556 Roll Pin for Charging Handle - HKP This is the shorter one that is used on the inside of the charging handle. There are two of these pins used per charging handle.
    HKP-16536
    $7.95
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  • New - Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger - Semi shelf - HKP-20484 Lee Sporting LS5 HK MP5K  Complete Trigger Group Flat Trigger - Semi shelf
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    Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger - Semi shelf

    Lee Sporting / Magpul

    $549.95
    Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...
    HKP-20484
    $549.95
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  • New - HKP 10 Round MP5 .22LR Magazine Spring - HKP-20297
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    HK MP5 Magazine Spring - .22LR - 10 Round

    HKP HK Parts

    $3.95
    HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...
    HKP-20297
    $3.95
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    $3.95
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  • New - HK UMP .45 Magazine Locking Plate - HKP-20136 HK UMP Magazine Locking Plate - .45 ACP - US
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    HK UMP Magazine Locking Plate - .45 ACP - US

    USA

    $6.95
    HK UMP .45 Magazine Locking Plate   Made in the USA
    HKP-20136
    $6.95
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  • New - H&K HK MR762 M-LOK 14.7" Handguard - FDE - HKP-19777 HK MR762 Handguard - FDE - 14.7" - M-LOK
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    HK MR762 Handguard - FDE - 14.7" - M-LOK

    H&K Heckler & Koch

    $249.95
    H&K HK MR762 M-LOK 14.7" Handguard - FDE Handguard for the HK MR762. It is 14.7 inches in length and has a flat top Picatinny Rail and M-LOK attachment points.  Compatible With: HK MR762
    HKP-19777
    $249.95
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    $249.95
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  • Used - H&K HK33 Pistol Parts Kit w/ Flat & Weldment Set- RCM Barrel - HKP-19731
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    HK33 Pistol Parts Kit - Receiver Flat and Weldment Set - RCM Barrel

    H&K Heckler & Koch

    $1,834.95
    HK 33 pistol Build Kit Complete German & US Parts- Limited Supply! Heckler & Koch German-manufactured parts kit issued to the Malaysian Army. Demilled and prepared per BATF specifications. These are the last parts kits available we are told there...
    HKP-19731
    $1,834.95
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    $1,834.95
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