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 - H&K Hammer and Pressure Shank Pin - 90 Series - HKP-21854
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    HK Hammer and Pressure Shank Pin - 90 Series

    H&K Heckler & Koch

    $3.95
    H&K Hammer and Pressure Shank Pin - 90 Series For pinned-style hammer and shanks, this pin securely holds the two components together. This original H&K production part has never been installed. Made from correct German-spec steel to meet exact...
    HKP-21854
    $3.95
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  • On Sale
    New - HKP HK UMP/USC 4 Piece M-Lok Set - Anodized - HKP-21663-M HK UMP, USC 4 Piece M-Lok Set - Anodized
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    HK UMP, USC 4 Piece M-Lok Set - Anodized

    HKP HK Parts

    Now: $99.95
    Was: $149.95
    HKP HK UMP/USC 4 Piece M-Lok Set - Anodized  Upgrade your UMP and USC with the HK Parts 4-piece M-Lok set, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails. This exceptional set significantly expands the...
    HKP-21663-M
    Now: $99.95
    Was: $149.95
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    Now: $99.95
    Was: $149.95
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  • New - Holosun 510 Series Open Reflex Sight - Picatinny Mount - HKP-21656-M Holosun 510 Series Open Reflex Sight - Picatinny Mount
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    Holosun 510 Series Open Reflex Sight - Picatinny Mount

    Holosun

    $354.95
    Holosun 510 Series Open Reflex Sight - Universal Picatinny Mount The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum...
    HKP-21656-M
    $354.95
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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 - MKE HK MP5 Retractable Buttstock - Cerakoted - HKP-21610-M HK MP5 Retractable Stock - Cerakoted
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    HK MP5 Retractable Stock - Cerakoted

    MKE

    $379.95
    MKE HK MP5 / AP5 Retractable Stock Transform your MP5-AP5 Clone with the essential upgrade that defines its iconic look. The A3 collapsible design delivers a customizable length of pull for unparalleled comfort and control. With a straight forward...
    HKP-21610-M
    $379.95
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  • New - RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-21353 HK G3, M61 Barrel - 7.62 - 17.7" - Threaded 15x1 RH
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    HK G3, M61 Barrel - 7.62 - 17.7" - Threaded 15x1 RH

    RCM

    $274.95
    RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH Brand New Barrel for the Pre-G3 HK M61. The M61 was produced by H&K in Germany and has some aesthetic features that the final G3 rifles did not incorporate. A true piece of history can be...
    HKP-21353
    $274.95
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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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  • 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
    Out Of Stock
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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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  • New - H&K HK G36, HK SL8 Magazine Paddle Release - HKP-02152 HK G36, SL8 Magazine Paddle Release
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    HK G36, SL8 Magazine Paddle Release

    H&K Heckler & Koch

    $19.95
    HK G36 & SL8 Magazine Paddle Release Compatible With: HK SL8 HK G36 HK G36K HK G36C
    HKP-02152
    $19.95
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  • New - H&K HK G36C Forearm - Black - HKP-00620 HK G36C Handguard
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    HK G36C Handguard

    H&K Heckler & Koch

    $139.95
    HK German G36C Handguard With Heat Shield & Hand Stop Each unit features the hand stop locations for adding rails to the left, right, and bottom should you choose to. Compatible With: HK G36C HK SL8-G36C conversions
    HKP-00620
    $139.95
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  • New - PTR HK 93/53/33 # 7 Locking Piece 55 Degree - hkp-18470 HK33, HK53, HK93 # 7 Locking Piece 55 Degree
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    HK33, HK53, HK93 # 7 Locking Piece 55 Degree

    PTR

    $49.95
    PTR HK 93/53/33 # 7 Locking Piece 55 Degree New US Made 55 Degree #7 Locking Piece For the HK 93, 33, C93 & V93 Rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or questionable...
    HKP-18470
    $49.95
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