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 (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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  • HK MP5, AP5 Firing Pin HK MP5, AP5 Firing Pin
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    HK MP5, AP5 Firing Pin

    MKE

    $14.95
    MKE HK MP5/AP5 Firing Pin - 9mm MKE firing pin for HK MP5 platforms. Compatible With: HK MP5/SP5 Century Arms AP5/AP5P Zenith ZF-5/ZF-5K PTR 9CT/9KT
    HKP-22243
    $14.95
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    $14.95
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  • On Sale
    New - HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special - HKP-99117 HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special
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    HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special

    USA

    Now: $9.95
    Was: $33.95
    HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special This US-made MP5 100 degree locking piece is the correct locking piece for all HK MP5-style forearms. This locking piece has also now become the factory correct locking piece for all HK...
    HKP-99117
    Now: $9.95
    Was: $33.95
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    Now: $9.95
    Was: $33.95
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  • Out Of Stock
    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 - B&T Unigrip QD with Bipod - Aluminum - HKP-21596-M B&T Unigrip QD with Bipod - Aluminum
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    B&T Unigrip QD with Bipod - Aluminum

    B&T Brugger & Thomet

    $224.99
    B&T Unigrip QD with Bipod - Aluminum This B&T foregrip features a retractable bipod for superior weapon stability in both the standing and prone positions. Specifications: Condition: Factory new Material: Aluminum Heat deflection...
    HKP-21596-M
    $224.99
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    $224.99
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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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    $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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  • Out Of Stock
    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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    $89.95
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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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    $549.95
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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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    $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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