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 MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug - HKP-17926 HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug - Navy - US

    HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug - Navy - US

    HKP HK Parts

    $179.95
    HKP MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug High quality, US-made MP5-N barrel. Built to last and finished in resilient nitride. Precision milled to the latest specs with the factory correct and updated 16 flutes in the chamber. Three lug &...
    HKP-17926
    $179.95
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  • New - PWS Primary Weapons Systems HK 416 FSC556 Tactical Compensator - HKP-01647
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    HK416 Compensator - PWS FSC556 Tactical

    PWS Primary Weapon Systems

    $89.95
    FSC556 Tactical Compensator (Muzzle Brake) Compensator  The PWS FSC556 has the very best compensation and decrease in muzzle rise. Combine that with enough flash suppression to keep the flash out of your optics and line of sight. Not to mention...
    HKP-01647
    $89.95
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  • New - H&K 416 (5.56/.223) German Flash Hider - 1/2x28 - HKP-18521 H&K 416 (5.56/.223) German Flash Hider - 1/2x28 H&K Heckler & Koch HKP-18521
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    HK 416A5 Flash Hider - 1/2x28

    H&K Heckler & Koch

    $95.95
    H&K 416 (5.56/.223) German Flash Hider - 1/2x28 This flash hider is not compatible with suppressors. Compatible With: HK 416 A5- 11" HK 416 A5- 14.5" HK 416 A5 - 16.5" HK 416 A5- 20"
    HKP-18521
    $95.95
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  • New - HKP AR-15 Commercial Buffer Tube - HKP-02728
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    HK AR-15 Commercial Buffer Tube

    HKP HK Parts

    $24.95
    AR-15 Commercial Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum Made in the USA 6 Position Each features a highly polished inside tube Black Mil-spec triple hard coat...
    HKP-02728
    $24.95
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  • HK G3, HK91 Barrel Flute Cleaning Brush - 7.62x51 / .308 HK G3, HK91 Barrel Flute Cleaning Brush - 7.62x51 / .308
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    HK G3, HK91 Barrel Flute Cleaning Brush - 7.62x51 / .308

    HKP HK Parts

    $19.95
    HKP HK Cleaning Brush - Barrel Flute - .30 Cal - 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a G3/91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly and render your HK...
    HKP-22317
    $19.95
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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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  • New - HKP HK 91/G3 Extractor - Enhanced Coated Polish - HKP-22182-M HK91, G3 Extractor - Enhanced Coated Polish
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    HK91, G3 Extractor - Enhanced Coated Polish

    HKP HK Parts

    $24.95
    HKP HK 91/G3 Extractor - Enhanced Coated Polish  Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible With: HK...
    HKP-22182-M
    $24.95
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  • New - H&K HK MR556 A4 13.4" Handguard - HKP-21935 HK MR556 A4 Handguard - 13.4"
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    HK MR556 A4 Handguard - 13.4"

    H&K Heckler & Koch

    $299.99
    H&K HK MR556 A4 13.4" Handguard This handguard is expertly engineered for precision and adaptability, featuring a robust Picatinny rail at the 12 o'clock position that guarantees seamless mounting of optics and accessories. With M-LOK slots...
    HKP-21935
    $299.99
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  • On Sale
    New - Case of 55 Turkish Contract 30 Round MP5 Magazine - HKP-21889 Case of 55 Turkish Contract 30 Round MP5 Magazine
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    Case of 55 Turkish Contract 30 Round MP5 Magazine

    Now: $1,096.95
    Was: $1,482.25
    55 Count Case of Turkish Contract 30 Round MP5 Magazine These Turkish military contract 30 round MP5 magazines are leftover "seconds" that HKP recently imported directly from Turkey.  The magazines were manufactured by a Turkish contractor similar...
    HKP-21889
    Now: $1,096.95
    Was: $1,482.25
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  • Out Of Stock
    New - H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K - HKP-21675 HK417 Stock - M110A1 G28 SDMR - RAL8000

    HK417 Stock - M110A1 G28 SDMR - RAL8000

    H&K Heckler & Koch

    $489.95
    H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K This exceptional stock is the definitive choice for your M110A1, G28 SDMR clone, or any custom build! With its HK E1 Mil-Spec style design, it delivers unmatched quality and performance. The highly...
    HKP-21675
    $489.95
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  • New - Aimpoint ACRO / NANO 22mm Picatinny QD Mount - HKP-21728 Picatinny Optic Mount - Low Profile - ACRO, NANO
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    Picatinny Optic Mount - Low Profile - ACRO, NANO

    B&T Brugger & Thomet

    $115.00
    B&T Brugger and Thomet Aimpoint ACRO / NANO 22mm Low Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail.  Keep your optic profile compact with this Swiss made mount. Compatible...
    HKP-21728
    $115.00
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    $115.00
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  • New - HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28 - HKP-21342 HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28
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    HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28

    HKP HK Parts

    $59.95
    HKP (5.56/.223) HK 416C A5 Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and melonited (nitride process) for maximum longevity. Machined correctly to reduce tuning fork noise for a more pleasant time at the range. This is...
    HKP-21342
    $59.95
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    $59.95
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