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 HK 416A5 Stripped Upper Receiver - Black - HKP-18786 HK416A5 Stripped Upper Receiver
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    HK416A5 Stripped Upper Receiver

    H&K Heckler & Koch

    $489.99
    HK 416A5 - Stripped Upper Receiver This is the factory correct receiver for a true 416 build as it features the M16 relief cut in the bottom, rear portion of the receiver (shown in last pricture). Compatible With: HK 416 HK MR223 HK MR556 Need a...
    HKP-18786
    $489.99
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring - HKP-00262
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    HK UMP, USC Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts.  Compatible with: All HK UMP & USC Firearms
    HKP-00262
    $9.95
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    $9.95
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  • New - H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release - HKP-00465 HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece
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    HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece

    H&K Heckler & Koch

    $29.95
    Heckler and Koch Contact Piece for Paddle Magazine Release 5.56 / .223 and 7.62x51 / .308 German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK33, HK53, HK93 HK91, G3, PTR91
    HKP-00465
    $29.95
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  • New - RCM HK 93/53/33 # 8 Locking Piece 53 Degree - HKP-16555
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    HK33, HK53, HK93 Locking Piece # 8 - 53 Degree

    RCM

    $49.95
    RCM HK 93/53/33 # 8 Locking Piece 53 Degree New 53 Degree #8 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A pefect upgrade for your well used or questionable C93 or C93P...
    HKP-16555
    $49.95
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  • Out Of Stock
    New - H&K HK 30 Round 416, HK MR556 Magazine Maritime- TiN - HKP-21468 HK416, MR556 Magazine - 30 Round - Maritime- TiN

    HK416, MR556 Magazine - 30 Round - Maritime- TiN

    H&K Heckler & Koch

    $149.95
    HK 416 & MR556 30 Round Maritime Magazine - TiN Coated Get your hands on some TiN coated factory Heckler & Koch magazines.  Each magazine starts out as a fresh 30 round mag before being professionally dsiassembled, TiN coated, and...
    HKP-21468
    $149.95
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  • New - B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal - HKP-21394 HK416, MR556, G36, SL8, B&T APC223 Flash Hider - Suppressor Compatible - Threaded 1/2x28
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    HK416, MR556, G36, SL8, B&T APC223 Flash Hider - Suppressor Compatible - Threaded 1/2x28

    B&T Brugger & Thomet

    $139.99
    B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal Elevate the performance of your HK 416 or MR556 with this premium flash hider. Designed for compatibility with a range of suppressors, this flash hider features a...
    HKP-21394
    $139.99
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    $139.99
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  • New - AIM HK to AR15 Adapter - HKP-20891 HK91, G3, PTR PDW Stock Adapter - AR-15 Style
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    HK91, G3, PTR PDW Stock Adapter - AR-15 Style

    AIM

    $54.99
    HK91, G3, PTR PDW Stock Adapter - AR-15 Style The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our...
    HKP-20891
    $54.99
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    $54.99
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  • Used - H&K HK MP5 Dented Complete Rear Sight Set - Black - HKP-19247 HK MP5 Rear Sight Set - Dented
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    HK MP5 Rear Sight Set - Dented

    H&K Heckler & Koch

    $49.99
    Rear Sight with Hardware - Used Dented - MP5 German HK MP5 rear sight assembly with a dented 4 position drum. Condition will vary. Includes: HK rear sight Detent Spring windage screw Sight screw Washer Locking washer Compatible With: MP5 MAC-5 clones...
    HKP-19247
    $49.99
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  • New - H&K HK MR556/HK416 FFRS Retaining Spring - HKP-02617
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    HK416, MR556 FFRS Retaining Spring

    H&K Heckler & Koch

    $9.99
    H&K HK MR556/HK416 FFRS Retaining Spring The retainer spring retains the handguard locking pin on the Free Floating Rail System (FFRS). These can become damaged with the removal of the handguard screws. Once the spring is damaged, they have to be...
    HKP-02617
    $9.99
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  • New - Magpul HK G3 / HK 91 PRS Lite Stock - HKP-21170-M HK91, G3 Stock - PRS Lite
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    HK91, G3 Stock - PRS Lite

    Magpul

    $289.95
    Magpul HK G3 / HK 91 PRS Lite Stock New G3 / HK91 PRS Lite stock will allow you to shoot your rifle with comfort while adding some style. We take the PRS Lite stock and attach our HK - AR adapter with a refinished back plate to bring you an assembled...
    HKP-21170-M
    $289.95
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  • On Sale
    New - HKP HK P30SK Stand Off Device - Black - HKP-19191 HK P30SK Stand Off Device
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    HK P30SK Stand Off Device

    HKP HK Parts

    Now: $68.95
    Was: $109.95
    HKP HK P30SK Stand Off Device The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger).  The ulimate component for close quarters interdiction. ...
    HKP-19191
    Now: $68.95
    Was: $109.95
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    Now: $68.95
    Was: $109.95
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  • New - Set of 5 .45 ACP Dummy Rounds - HKP-17384
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    Dummy Rounds - .45 ACP - Set of 5

    Strike Industries

    $8.95
    Set of 5 .45 ACP Dummy Rounds Strike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They also let you dry fire without risking damage to the...
    HKP-17384
    $8.95
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    $8.95
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