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 - SB Tactical - B&T - HK MP5 Swiss Folding Brace - Skeletonized - HKP-21052 HK MP5 Folding Brace - Skeletonized - Swiss
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    HK MP5 Folding Brace - Skeletonized - Swiss

    B&T Brugger & Thomet / SB Tactical

    $299.95
    B&T MP5, SP5 Folding Brace - Swiss/USA - Skeletonized Factory Swiss B&T MP5, SP5 folding pistol brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling...
    HKP-21052
    $299.95
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  • New - Timney HK MP5 9mm 2-Stage Trigger Complete - HK-20511-M HK MP5 2-Stage Trigger Group - 9mm - Complete
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    HK MP5 2-Stage Trigger Group - 9mm - Complete

    Timney Triggers

    $478.95
    Timney HK MP5 Trigger - 9mm - 2 Stage - Complete The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing...
    HK-20511-M
    $478.95
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  • Out Of Stock
    New - Zenith 30 Round HK MP5 Subsonic Labeled Magazine - HKP-20829 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Subsonic Pew Pew

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Subsonic Pew Pew

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...
    HKP-20829
    $43.95
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    $43.95
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  • New - Strike Industries M-LOK Bikini Hand Stop - HKP-20057 MLOK Handstop Set - Bikini BHS
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    MLOK Handstop Set - Bikini BHS

    Strike Industries

    $13.95
    Bikini Hand Stop (2-pack) Strike Industries The Strike Industries Bikini Hand Stop (BHS) gives the shooter increased ergonomics and control of the weapon. The hand stop is made from durable and lightweight polymer compatible with M-LOK rails. The BHS is...
    HKP-20057
    $13.95
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  • New - B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider - HKP-16890 HK UMP Birdcage Flash Hider - .40 S&W, .45 ACP
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    HK UMP Birdcage Flash Hider - .40 S&W, .45 ACP

    B&T Brugger & Thomet

    $99.95
    B&T Brugger and Thomet Birdcage Flash Hider in .40 S&W and .45 ACP for HK UMP B&T muzzle brake and flash hider birdcage style with quick detach lever for HK UMP .40 S&W & .45 ACP.  Swiss made B&T quick detach flash hider for...
    HKP-16890
    $99.95
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    $99.95
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  • New - B&T HK USC/UMP .45 Flash Hider - 3-Lug - HKP-18346 HK USC, UMP .45 Flash Hider - 3 Lug
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    HK USC, UMP .45 Flash Hider - 3 Lug

    B&T Brugger & Thomet

    $165.00
    B&T HK USC/UMP .45 Flash Hider - 3-Lug B&T Switzerland has supplied these to law enforcement and military units around the world. Rock solid, mil-spec quality from an H&K OEM manufacturer. This flash hider slips over the end of the 3-lug...
    HKP-18346
    $165.00
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    $165.00
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  • New - HKP Short Sleeve Tee - Tan - HKP-21027-M
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    HKP Shirt - Short Sleeve - Tan

    HKP HK Parts

    $14.95
    HKP Short Sleeve Shirt - Tan Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High Fidelity DTG...
    HKP-21027-M
    $14.95
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  • New - H&K HK MR556/416/MR762 Battle Grip Storage Cap - HKP-15251 HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip
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    HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip

    H&K Heckler & Koch

    $29.95
    H&K HK MR556/416/MR762 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Compatible With: HK MR556 HK 416 HK MR762 Please Note: Does not fit for the HK416 .22LR models**
    HKP-15251
    $29.95
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  • New - H&K HK MR556/MR762/416/417 28mm Front Folding Sight - HKP-00026
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    HK416, MR556, HK417, MR762 Front Folding Sight - 28mm

    H&K Heckler & Koch

    $209.95
    Heckler and Koch's 28mm Front Folding Sight for HK416, MR556, HK417, MR762 This sight attaches directly to the front gas block of the HK416, HK MR556, or HK417, MR762. This sight is to be used with the proper (caliber and barrel length specific)...
    HKP-00026
    $209.95
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    $209.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear - HKP-01850
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    HK UMP, USC, G36, SL8 Sear

    H&K Heckler & Koch

    $29.95
    HK Complete Sear G36, UMP, USC & SL8 Genuine German Heckler & Koch part. Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-01850
    $29.95
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  • Used - HK G3 Complete F/A Steel Lower (SEF) - Green - Surplus - HKP-16215 HK91, G3 Lower, Complete - SEF Full Auto - Green - Surplus
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    HK91, G3 Lower, Complete - SEF Full Auto - Green - Surplus

    H&K Heckler & Koch

    $349.95
    HK Heckler and Koch Complete Full Auto Steel Green Lower SEF from Surplus Stock for HK91, G3 Each lower includes a complete full-auto trigger pack, selector lever, green grip, metal SEF grip frame, and grip screw with washer. All parts are installed and...
    HKP-16215
    $349.95
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    $349.95
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  • New - PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - HKP-00368 HK91, G3 Tactical Handguard
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    HK91, G3 Tactical Handguard

    PTR

    $149.95
    New 2nd Generation- HK Black Matte Finish PTR, HK91, G3 Forearm  Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides,...
    HKP-00368
    $149.95
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    $149.95
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