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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  • On Sale
    New - IMI 32 Round UZI Magazine - LIKE NEW - HKP-21231 IMI 32 Round UZI Magazine - LIKE NEW
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    IMI 32 Round UZI Magazine - LIKE NEW

    IMI

    Now: $32.95
    Was: $44.95
    Uzi 32 Round 9mm Magazine - Like New - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowed Mec-Gar magazine manufacturing company with IMI Licensing. An all steel production and a blued finish to help protect it against rust. These are the...
    HKP-21231
    Now: $32.95
    Was: $44.95
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  • New - SL8, G36 Bolt Hold Open Lever - Extended - HKP - HKP-18775 SL8, G36 Bolt Hold Open Lever - Extended - HKP
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    SL8, G36 Bolt Hold Open Lever - Extended - HKP

    USA

    $59.95
    SL8 & G36 Extended Bolt Hold Open Lever New SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The bolt hold open lever is a drop in replacement and requires zero gunsmithing or alterations...
    HKP-18775
    $59.95
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  • New - H&K Ambidextrous Selector Lever - Right Side - HKP-00127 HK MP5, HK90 Series Selector Lever - Ambi - Right Side
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    HK MP5, HK90 Series Selector Lever - Ambi - Right Side

    H&K Heckler & Koch

    $89.95
    Heckler and Koch Ambidextrous Selector Lever - Right Side This is the right-side selector of the ambidextrous trigger packs. This part will only work on ambidextrous style or pictogram style housing and trigger packs. New HK German manufactured...
    HKP-00127
    $89.95
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  • Pistol Stabilizing Brace - SBA4 Pistol Stabilizing Brace - SBA4
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    Pistol Stabilizing Brace - SBA4

    SB Tactical

    $124.99
    SB Tactical SBA4 Pistol Stabilizing Brace Designed for all platforms capable of accepting a mil-spec carbine receiver extension.  The SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket. Compatible With: HK MR556...
    HKP-19927
    $124.99
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  • New - H&K Grip Cap Replacement Spring - HKP-16408 Grip Cap Spring - HK Navy Style
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    Grip Cap Spring - HK Navy Style

    H&K Heckler & Koch

    $4.95
    H&K Grip Cap Replacement Spring This is the replacement spring that is used on both the US and German made grip caps that can become damaged and broken with use. A great idea to have on hand as the spring will get bent and destroyed with use. We use...
    HKP-16408
    $4.95
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  • HK416, MR556 ARC-Fire Trigger - 3-Position - Ambi Controls HK416, MR556 ARC-Fire Trigger - 3-Position - Ambi Controls
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    HK416, MR556 ARC-Fire Trigger - 3-Position - Ambi Controls

    AS Designs

    $297.95
    HK416, MR556 3-Position ARC-Fire Trigger with Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers.  The trigger is reset immediately after each shot, resulting in rapid follow-up...
    HKP-22429
    $297.95
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  • Used - H&K HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used - HKP-17139 HK91, G3, PTR Central Buttstock Section - OD Green - Used
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    HK91, G3, PTR Central Buttstock Section - OD Green - Used

    H&K Heckler & Koch

    $5.99
    H&K HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used USED German G3, 91, PTR Central Butt stock Section- Green in color. This stock section is no longer being manufactured as the HKG3, HK91 are out of production. Each surplus section is...
    HKP-17139
    $5.99
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  • New - HKP MP5 & HK94 Steel Cocking Tube Support - HKP-18040 HK MP5, HK94 Cocking Tube Support - Steel
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    HK MP5, HK94 Cocking Tube Support - Steel

    HKP HK Parts

    $49.95
    MP5 All Steel Cocking Tube Support 9mm - USA: Made entirely from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at the best price. Each MP5 9mm cocking tube support will include the detent and...
    HKP-18040
    $49.95
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  • HK G36, G36C, G36K 30 Round Magazine HK G36, G36C, G36K 30 Round Magazine
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    HK G36, G36C, G36K 30 Round Magazine

    HKP HK Parts

    $38.95
    HK G36 30 Round Magazine  HK Parts 30-round magazine designed to fit all G36, G36K, and G36C variants, and SL8's with the G36 magwell conversion. These magazines are top-quality and proudly made in the U.S. Compatible With: G36, G36K, G36C SL8...
    HKP-22525-M
    $38.95
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  • New - KCI 30 Round HK MP5 Magazine - LEO Marked - HKP-21611 HK MP5, MP5K Magazine - 30-Round - LEO Marked - 9mm
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    HK MP5, MP5K Magazine - 30-Round - LEO Marked - 9mm

    KCI

    $52.95
    KCI 30 Round HK MP5, MP5K Magazine - LEO Marked KCI MP5 LEO marked magazines.  Great for collectors and shooters who want the classic LEO aesthetic without paying factory-mag prices. We offer this LEO marked magazine with either "Ashburn" or...
    HKP-21611-M
    $52.95
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  • New - HKP 90 Series F1 Flat Trigger - HKP-21537 HK MP5, HK90 Series F1 Flat Trigger
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    HK MP5, HK90 Series F1 Flat Trigger

    HKP HK Parts

    $49.95
    HKP 90 Series F1 Flat Trigger  With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...
    HKP-21537
    $49.95
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  • New - Magpul Rail Light Mount M-LOK - HKP-20689 M-LOK Cantilever Rail - Light Mount
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    M-LOK Cantilever Rail - Light Mount

    Magpul

    $19.95
    Magpul Rail Light Mount M-LOK Designed for use with all M-LOK mounting surfaces, the M-LOK polymer cantilever rail/light mount allows the attachment of various MIL-STD-1913 Picatinny spec rail-mounted accessories such as lights and optics, and directly...
    HKP-20689
    $19.95
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