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 - MM HK 21 (7.62x51/.308) Belt Box Adapter - HKP-01844 HK 21 Ammunition Belt Box Adapter

    HK 21 Ammunition Belt Box Adapter

    Michaels Machines

    $274.95
    Belt Box Adapter A new custom-made adapter - allows you to use HK German factory HK21E belt boxes on the HK21 older style or original style belt feds. It is a drop-in design that will enable easy and quick use of the superior HK21E belt boxes...
    HKP-01844
    $274.95
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    $274.95
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    New - H&K Universal Harris Bipod Adapter - RAL 8000 - HKP-17750 HK Universal Harris Bipod Adapter - RAL8000

    HK Universal Harris Bipod Adapter - RAL8000

    H&K Heckler & Koch

    $199.95
    HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...
    HKP-17750
    $199.95
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  • New - H&K Scope Mount Ring Set - 1 Inch For 30mm Scope - HKP-02474 HK Optic Mount Ring Set - 1 Inch for 30mm Scope
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    HK Optic Mount Ring Set - 1 Inch for 30mm Scope

    H&K Heckler & Koch

    $89.95
    H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) - HK 30mm claw mount not included.
    HKP-02474
    $89.95
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  • New - PTR-32 (7.62x39) Locking Piece - 70 degree - HKP-18519 PTR-32 Locking Piece - 70 degree
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    PTR-32 Locking Piece - 70 degree

    PTR

    $63.95
    PTR-32 (7.62x39) Locking Piece - 70 degree New PTR Locking Piece For PTR-32. Marked "70" for the PTR-32 series of rifles and pistols. This is a 70 degree locking piece. New PTR manufacture. This locking piece will also work for custom HK builds as well.
    HKP-18519
    $63.95
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  • Out Of Stock
    New - MM HK PSG1/21E/23E Forward Complete Assist Assembly - HKP-00852 HK PSG1, HK21E, HK23E Forward Assist Assembly, Complete

    HK PSG1, HK21E, HK23E Forward Assist Assembly, Complete

    Michaels Machines

    $779.95
    MM HK PSG1/21E/23E Forward Complete Assist Assembly Michael's Machines US-made complete forward assembly or your HK PSG1, MSG90, HK21E/23E.  A great option for a build now that the factory units are no longer available.  Available exclusively...
    HKP-00852
    $779.95
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  • New - AIM HK 93/33 (5.56/.223) Carbine Length Handguard - M-LOK - HKP-18177 HK91 Handguard - Carbine Length - M-LOK
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    HK91 Handguard - Carbine Length - M-LOK

    AIM

    $64.95
    HK 91, PTR RIFLE LENGTH HANDGUARD - M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-LOK accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern...
    HKP-18177
    $64.95
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  • New - H&K MP5 40/10 Low Impulse Locking Piece #24 - HKP-00438 HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm
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    HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm

    H&K Heckler & Koch

    $129.95
    New HK German MP5 40 or MP5 10mm Low Impulse Locking Piece Marked #24 This is the factory 90-degree locking piece. Used for standard loads with low to average impulses. Compatible With: MP5 10 MP5 40 MP5 .357
    HKP-00438
    $129.95
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  • New - PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned - HKP-16443 HK MP5K Grip Frame Housing - 2 Positions S,F Pictogram - Clipped and Pinned - 9mm
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    HK MP5K Grip Frame Housing - 2 Positions S,F Pictogram - Clipped and Pinned - 9mm

    PTR

    $159.95
    PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped and Pinned This HK aftermarket trigger housing will accept all SEF style trigger packs. This is made by PTR 91 to exact HK specs. This housing comes clipped and ready for a...
    HKP-16443
    $159.95
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  • New - H&K XX Marked 9mm Strutted Hammer - HKP-00148 HK XX Marked 9mm Strutted Hammer
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    HK XX Marked 9mm Strutted Hammer

    H&K Heckler & Koch

    $159.95
    HK XX Marked 9mm Strutted Hammer Compatible With: MP5, 94, SP5 MP5K, SP89, SP5K MP5 40, MP5 10 Clones or other custom builds
    HKP-00148
    $159.95
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  • New - Magpul MOE Stock - Commercial Spec, AR15/M4 Carbines - HKP-10629
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    HK416, MR556 Carbine Stock - MOE - Commercial Spec

    Magpul

    $54.95
    Magpul MOE (Magpul Original Equipment) Commercial-Spec Model for AR15/M4 Carbines Made in the USA, the MOE stock Commercial-Spec Model is a drop-in replacement buttstock for AR15/M4 carbines using commercial-spec-sized receiver extension tubes. The...
    HKP-10629
    $54.95
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  • HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto
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    HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto

    MKE

    $4.95
    MKE AP5, HK MP5, G3 Full-Auto Elbow Spring with Roller This elbow spring is manufactured by MKE from steel and is used in MP5 and G3 pattern trigger packs. It provides proper tension and function for the trigger pack elbow and is suitable for...
    HKP-22489
    $4.95
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    $4.95
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  • HK91, G3 Magazine Release Set, Complete - USED HK91, G3 Magazine Release Set, Complete - USED
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    HK91, G3 Magazine Release Set, Complete - USED

    H&K Heckler & Koch

    $24.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 This HK German manufactured, used magazine release set for HK .308 pattern rifles consists of 6 pieces. Complete left-to-right mag catch assembly with both push-button and paddle...
    HKP-22466
    $24.95
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    $24.95
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