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 Ambi ESSL Housing Franklin Armory Binary Selector Set - HKP-21616-M Binary Safety Selector Set - Ambidextrous - Extended
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    Binary Safety Selector Set - Ambidextrous - Extended

    HKP HK Parts

    $89.95
    HKP Ambi ESSL Housing Franklin Armory Binary Selector Set - Levers Only HK Parts extended safety selector Selector Lever Set, expertly modeled after the HK Ambi Style Selector Lever. This premium product is designed to integrate seamlessly with the...
    HKP-21616-M
    $89.95
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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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  • New - HKP HK MP5 9mm Receiver Flat - HKP-20921 HK MP5 Receiver Flat - 9mm
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    HK MP5 Receiver Flat - 9mm

    HKP HK Parts

    $189.95
    HKP HK MP5 9mm Receiver Flat New MP5 receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier flat...
    HKP-20921
    $189.95
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  • New - HK SL8/G36 Extended Bolt Hold Open Lever - HKP-17719 HK SL8, G36 Bolt Hold Open Lever - Extended
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    HK SL8, G36 Bolt Hold Open Lever - Extended

    H&K Heckler & Koch

    $69.95
    HK SL8 & G36 Extended Bolt Hold Open Lever New HK German SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK bolt hold open lever is a drop in replacement and requires zero gunsmithing...
    HKP-17719
    $69.95
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  • New - H&K UMP (.45 ACP) Magazine Locking Plate - HKP-16338 HK UMP Magazine Locking Plate - .45 ACP
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    HK UMP Magazine Locking Plate - .45 ACP

    H&K Heckler & Koch

    $9.95
    H&K UMP (.45 ACP) Magazine Locking Plate
    HKP-16338
    $9.95
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  • New - HKP HK G3 Repair Manual - HKP-15212
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    HKP HK G3 Repair Manual

    HKP HK Parts

    $15.95
    HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...
    HKP-15212
    $15.95
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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 Contact Piece for Paddle Mag Release
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    HK91, G3, HK33, HK53, HK93 Contact Piece for Paddle Mag Release

    H&K Heckler & Koch

    $29.95
    HK .223/556 & 308 Contact Piece For Paddle Magazine Release German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK 33, 53, 93 HK G3, 91, PTR91
    HKP-00465
    $29.95
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  • Out Of Stock
    New - H&K MP5SD Rubber Handguard - HKP-00136

    HK MP5SD Rubber Handguard

    H&K Heckler & Koch

    $229.95
    New HK German MP5SD Rubberized Steel Handguard HK discontinued this handguard but our HK Parts version is available here.
    HKP-00136
    $229.95
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  • New - B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug - HKP-17955 HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug
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    HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug

    B&T Brugger & Thomet

    $378.95
    B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, these MP5 barrels are cold hammer forged, fluted, and nitrided to exact HK specifications. B&T's close relationship with H&K and extensive history of...
    HKP-17955
    $378.95
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  • New - H&K MP5 M-LOK Wide Forearm - Black - HKP-21870 HK MP5 M-LOK Wide Handguard
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    HK MP5 M-LOK Wide Handguard

    H&K Heckler & Koch

    $98.95
    H&K MP5 M-LOK Wide Forearm  Genuine HK wide forearm with the addition of M-LOK slots for a unique, functional handguard solution. This is a great option for those that want a genuine HK handguard with the versatility of M-LOK attachment...
    HKP-21870
    $98.95
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  • Used - HKP - MP5K, SP89 Receiver Flat With Weldment Set - HKP-20882
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    HK MP5K, SP89 Receiver Flat with Weldment Set

    HKP HK Parts

    $239.95
    HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...
    HKP-20882
    $239.95
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  • New - Zenith 30 Round HK MP5 Subsonic Labeled Magazine - HKP-20829 HK MP5 Magazine - Subsonic Labeled - 30 Round
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    HK MP5 Magazine - Subsonic Labeled - 30 Round

    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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