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 MR762 A4 1.0mm Gas Vent Screw - HKP-21954 HK MR762 A4 Gas Vent Screw - 1.0mm-2.5mm
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    HK MR762 A4 Gas Vent Screw - 1.0mm-2.5mm

    H&K Heckler & Koch

    $29.95
    Heckler and Koch MR762 A4 Gas Vent Screws German gas vent screw for MR762 A4 gas block. Specifications: Factory reference: 1.3mm is the common factory vent screw size for MR556 A4 Sizing reminder: Larger mm equals more venting, Smaller mm...
    HKP-21954-M
    $29.95
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    $29.95
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  • New - H&K HK MR556 A4/A5 11" Barrel - HKP-21932 HK416A5, MR556 Barrel - 5.56 / .223 - 11"
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    HK416A5, MR556 Barrel - 5.56 / .223 - 11"

    H&K Heckler & Koch

    $424.95
    Heckler and Koch 11" Barrel for HK416A5, MR556 A4, MR556 A5 Factory German 11" HK416A5, MR556 barrel. Cold hammer-forged and built to HK’s standard for durability, accuracy, and service life. The 1:7 twist rate stabilizes a wide range of 5.56 NATO...
    HKP-21932
    $424.95
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    $424.95
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  • New - Holosun HK VP9/MP5 Reflex Sight HE-507K - Green - HKP-21677 HK MP5, VP9 Reflex Sight HE-507K - Green
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    HK MP5, VP9 Reflex Sight HE-507K - Green

    Holosun

    $354.95
    Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include...
    HKP-21677
    $354.95
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  • Out Of Stock
    New - B&T Telescopic Stock End Cap - HKP-21721 B&T Telescopic Stock End Cap

    B&T Telescopic Stock End Cap

    B&T Brugger & Thomet

    $8.95
    B&T Telescopic Stock End Cap B&T replacement end cap for telescopic stocks.  Limits the extension of the stock to keep it from sliding out of the guides.
    HKP-21721
    $8.95
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  • HK G36, G36C, G36K Magwell HK G36, G36C, G36K Magwell
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    HK G36, G36C, G36K Magwell

    HKP HK Parts

    $49.95
    Magazine Well - Magwell FDE & RAL8K - HK G36 Allows use of all factory G36 and Magpul G36 magazines. This magwell fits all 30, 10, and 100 round magazines and drums. Compatible With: G36, G36K, G36C In-spec clones and custom builds
    HKP-19300-M
    $49.95
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  • New - Lee Sporting LS5 HK MP5 Complete Trigger Group Push Pin - HKP-20467 HK MP5 LS5 Trigger Group, Complete - Push Pin
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    HK MP5 LS5 Trigger Group, Complete - Push Pin

    Lee Sporting

    $549.95
    Lee Sporting LS5 Complete Trigger Group - MP5 Push Pin 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-20467
    $549.95
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  • On Sale
    New - Wasatch Arms Key Mount Tool - HKP-20299 Key Mount Tool - Crows Foot Wrench for Dead Air Suppressors
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    Key Mount Tool - Crows Foot Wrench for Dead Air Suppressors

    Wasatch Arms

    Now: $29.95
    Was: $54.95
    Wasatch Arms Key Mount Tool   The Dead Air Crows Foot Wrench engages directly on the Key Mount brake allowing proper axial torque for quick and easy installation.  Made in the USA and finished in black nitride.
    HKP-20299
    Now: $29.95
    Was: $54.95
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  • New - Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green - HKP-19981 HK416, MR556, HK417, MR762 Tactical Deluxe Grip with Palm Shelf  - OD Green
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    HK416, MR556, HK417, MR762 Tactical Deluxe Grip with Palm Shelf - OD Green

    Ergo

    $59.95
    Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green The Tactical Deluxe with Palm Shelf is the same size and shape as the Tactical Deluxe grip but has the addition of an adjustable palm shelf to support your firing hand. This grip excels on precision...
    HKP-19981
    $59.95
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  • Used - Fero Z51 Claw Mount Adapter - HKP-19532 Fero Z51 Claw Mount Adapter
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    Fero Z51 Claw Mount Adapter

    $9.95
    Claw Mount Adapter - German - Surplus - Z51
    HKP-19532
    $9.95
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  • New - H&K MR556/417 Trigger, Hammer Pin - HKP-15456
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    HK MR556/417 Trigger, Hammer Pin

    H&K Heckler & Koch

    $14.99
    H&K MR556/417 Trigger, Hammer Pin Compatible With: HK MR556 HK 417
    HKP-15456
    $14.99
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  • New - H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs - HKP-02488
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    HK 2 Round Count Burst Wheel for 4 Position Trigger Packs

    H&K Heckler & Koch

    $119.95
    H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs This wheel can be used to convert a 0,1,3, F to a 2-round burst rather than a 3-round burst option.
    HKP-02488
    $119.95
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  • Out Of Stock
    New - HKP HK 416/MR556 Short Quad Rail - HKP-17984

    HK416, MR556 Quad Rail - Short

    HKP HK Parts

    $249.95
    HKP HK 416/MR556 Short Quad Rail  
    HKP-17984
    $249.95
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