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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  • Used - H&K Claw Mount Screw For Optics & Rails - HKP-17921 HK Claw Mount Screw for Optics and Rails
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    HK Claw Mount Screw for Optics and Rails

    H&K Heckler & Koch

    $3.95
    H&K Claw Mount Screw For Optics & Rails HK German rail screw that is used on the HK claw mount to add an optic such as a Hendsoldt or Stanag optic to the claw mount. The screw is used German surplus manufacture but in perfect shape for use on all...
    HKP-17921
    $3.95
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    $3.95
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  • New - HKP 90 Series Paddle Mag Release Easy Install Fixture - HKP-17587 HKMP5, HK90 Series Paddle Mag Release Fixture - Easy Install
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    HKMP5, HK90 Series Paddle Mag Release Fixture - Easy Install

    HKP HK Parts

    $187.95
    HKP HK Parts Paddle Mag Release Easy Install Fixture for HK90 Series The original one and only paddle mag release fixture. The perfect jig for the installation of the factory correct paddle mag release with the proper hole placement and an easy to...
    HKP-17587
    $187.95
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  • New - HKP HK MP5 Navy Binary Trigger Group - Engraved - HKP-21000-M Push Pin
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    HK MP5 Binary Trigger Group - Navy - Engraved

    HKP HK Parts / FA Franklin Armory

    $1,299.95
    HKP HK MP5 Navy Binary Trigger Group - Engraved 3 Position Navy style Engraved Pictograph– HK Binary Trigger Group Our latest and greatest binary trigger group freshly delivered with a factory HK German housing that was professionally engraved and...
    HKP-21000-M
    $1,299.95
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    $1,299.95
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  • New - Choate MP5K/SP89/SP5K 9mm Tactical Folding Stock - HKP-00781 HK MP5K, SP89, SP5K Tactical Folding Stock - 9mm
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    HK MP5K, SP89, SP5K Tactical Folding Stock - 9mm

    Choate

    $229.95
    HK SP5K Folding Tactical Stock Made in the USA and counts as one 922r compliant part. Compatible With: MP5K D54K SP5K SP89 Zenith Z-5P/Z-5K & in-spec clones
    HKP-00781
    $229.95
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  • New - HKP HK VP9SK Bench Mat - HKP-18091 HK VP9SK Bench Mat
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    HK VP9SK Bench Mat

    HKP HK Parts

    $13.95
    Gunsmithing, Cleaning Bench Mat - HK VP9SK, VP9SK Tactical This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun...
    HKP-18091
    $13.95
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  • HK G36 Magazine- No Retainers - 30 Round HK G36 Magazine- No Retainers - 30 Round
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    HK G36 Magazine- No Retainers - 30 Round

    H&K Heckler & Koch

    $54.95
    HK Heckler and Koch 30 Round Magazine without Retainers for HK G36 Genuine H&K 30-round magazine without magazine interlocking retainers. Compatible With: HK G36
    HKP-22195
    $54.95
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  • New - H&K HK MR762/417/G28 Slim Line Retractable Stock - Black - HKP-17135 HK417,  MR762, G28 Slim Line Retractable Buttstock
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    HK417, MR762, G28 Slim Line Retractable Buttstock

    H&K Heckler & Koch

    $86.95
    H&K HK MR762/417/G28 Slim Line Retractable Stock New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...
    HKP-17135
    $86.95
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    $86.95
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  • On Sale
    New - AC-Unity HK MP5 Wide Handguard - HKP-21637 HK MP5 Handguard - Wide
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    HK MP5 Handguard - Wide

    AC-Unity

    Now: $14.45
    Was: $18.95
    AC-Unity HK MP5 Wide Handguard Made by AC-Unity with advanced, German made polymer-resin/granulate that is both lightweight and shock/UV resistant. This state of the art polymer is formulated to withstand temperatures from -30°C to 120°C...
    HKP-21637
    Now: $14.45
    Was: $18.95
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    Now: $14.45
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  • Out Of Stock
    New - H&K HK416 A5 Factory German Extended Castle Nut - HKP-19164

    HK416, MR556 Buffer Tube Castle Nut - A5 Extended

    H&K Heckler & Koch

    $75.95
    Heckler and Koch A5 Factory German Extended Castle Nut for HK416 and HK MR556 Original HK Factory German steel 416 A5 Extended Castle Nut. Perfect for MR556, HK 416 A5 builds, or upgrades. 
    HKP-19164
    $75.95
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  • New - HKP HK UMP (.40 S&W) 30 Round Magazine - HKP-17583 HK UMP Magazine - .40 S&W - 30 Round
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    HK UMP Magazine - .40 S&W - 30 Round

    HKP HK Parts

    $49.95
    UMP, SMG .40 Cal - 30 Round Magazine Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Each magazine features, steel feed lips, enhanced polymer construction and all correct updated...
    HKP-17583
    $49.95
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  • New - H&K 91/G3 (7.62x51/.308) Locking Piece - 45 Degree - HKP-00499 HK91, G3 Locking Piece - 45 Degree
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    HK91, G3 Locking Piece - 45 Degree

    H&K Heckler & Koch

    $29.95
    Heckler and Koch New Old Stock German HK Locking Piece for G3, 91, and PTR This is the factory-correct 45-degree locking piece for HK 91/G3 and PTR .308 full-length firearms. All steel construction is new in sealed wrapping.
    HKP-00499
    $29.95
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  • Used - H&K 91/G3 (7.62x51/.308) Rear Sight Assembly - Used-Excellent - HKP-02229 HK91, G3 Rear Sight Assembly - Used-Excellent
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    HK91, G3 Rear Sight Assembly - Used-Excellent

    H&K Heckler & Koch

    $18.95
    HK German G3, 91, PTR Rear Sight Assembly - Used Excellent Condition HK German factory sight with rear sigh detent and detent spring installed. These sights are the finest hand-picked, sorted sights available at a fraction of the cost of a new $85 set...
    HKP-02229
    $18.95
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    $18.95
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