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 G3, HK91, PTR 91 4 Position Ambidextrous MATCH Trigger Group - HKP-20222 HK91, G3 Trigger Group - Ambi MATCH 4 Position - Clipped and Pinned
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    HK91, G3 Trigger Group - Ambi MATCH 4 Position - Clipped and Pinned

    H&K Heckler & Koch

    $1,495.95
    HK Heckler and Koch Safe, Semi 4 Position Ambi MATCH Trigger Group for HK G3 and HK91 Each ambidextrous match trigger group comes with a custom trigger conversion to a light smooth light trigger pull. The trigger group has been adjusted and enhanced by...
    HKP-20222
    $1,495.95
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    $1,495.95
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  • New - SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter - HKP-19928 HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included
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    HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included

    SB Tactical

    $294.95
    SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5...
    HKP-19928
    $294.95
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    $294.95
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  • New - Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH - HKP-02323 Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH
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    Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH

    Smith Enterprises

    $79.95
    Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH Each flash hider is threaded 16x1 LH twist. Made of 4140 ordnance grade steel, heat treated, and finished in the Melonite finish to add the best corrosion and abrasion resistance...
    HKP-02323
    $79.95
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    $79.95
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  • New - HKP .45 ACP 4 Prong Flash Hider - Threaded 16x1 LH - HKP-01017 HK45, UMP Flash Hider - 4 Prong - Threaded 16x1 - Left Hand
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    HK45, UMP Flash Hider - 4 Prong - Threaded 16x1 - Left Hand

    HKP HK Parts

    $74.95
    HK Parts 4 Prong Flash Hider .45 ACP Threaded 16x1 LH Designed for all HK German .45 ACP threaded barrels, including full size and compact models. Made from heat treated ordnance grade steel with a melonite finish, it offers superior corrosion and...
    HKP-01017
    $74.95
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    $74.95
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  • New - HK G36 (5.56/.223) Cocking Handle Bushing - HKP-18368 HK G36 Cocking Handle Bushing - USA
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    HK G36 Cocking Handle Bushing - USA

    $5.95
    G36 Cocking Handle Bushing - US Made
    HKP-18368
    $5.95
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    $5.95
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  • Used - H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - Used - HKP-17917
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    HK UMP Magazine - 25 Round - LEO Marked - Used

    H&K Heckler & Koch

    $149.95
    German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings.  Condition of used parts will vary.  All used parts are sold AS-IS. Compatible With: HK UMP .45 ACP
    HKP-17917
    $149.95
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    $149.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Fire - HKP-19070 HK UMP, USC, G36, SL8 Notched Disk - S,F
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    HK UMP, USC, G36, SL8 Notched Disk - S,F

    $8.95
    HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: HK UMP HK USC HK G36 HK SL8 (0,1 or S,F only)
    HKP-19070
    $8.95
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    $8.95
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  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Feed Mechanism Pawl - HKP-02071

    HK21 Feed Mechanism Pawl

    H&K Heckler & Koch

    $69.95
    HK 21E & M13 Feed Mechanism Pawl
    HKP-02071
    $69.95
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    $69.95
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  • New - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Axle Pin - HKP-17624
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin

    H&K Heckler & Koch

    $9.95
    HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR HK 93, 33, 53 HK21, 23, 11, 13 PSG1, MSG90
    HKP-17624
    $9.95
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    $9.95
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  • New - H&K MP5 40/10 High Impulse Locking Piece #25 - HKP-00437
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    HK MP5 Locking Piece #25 - 60 Degree - High Impulse - .40 S&W, 10mm

    H&K Heckler & Koch

    $229.95
    New HK German MP5 40 or MP5 10mm High Impulse Locking Piece Marked #25 This is the 60-degree locking piece that is used for high-impulse ammo, commonly found in +P or +P+ ammo. This locking piece is needed to cycle these hot loads without excessive...
    HKP-00437
    $229.95
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    $229.95
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  • New - H&K MP5 & SP5 A1 End Cap With Sling Swivel - HKP-00114 HK MP5, SP5 A1 Sling Swivel End Cap
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    HK MP5, SP5 A1 Sling Swivel End Cap

    H&K Heckler & Koch

    $139.99
    HK German MP5 & SP5 A1 End Cap With Sling Swivel The MP5 end cap allows the user to add a single-point sling. Perfect for a pistol build or a lower profile setup. Made by HK Germany.  Compatible With: HK MP5 HK SP5 HK94 MP5 clones and other...
    HKP-00114
    $139.99
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    $139.99
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  • Used - H&K MP5 & HK94 Complete Bolt Head - Used - HKP-01881-M HK MP5, HK94 Complete Bolt Head - Used
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    HK MP5, HK94 Complete Bolt Head - Used

    H&K Heckler & Koch

    $349.95 - $369.95
    H&K MP5 & HK94 Complete Bolt Head - Used Last call! These original HK German MP5 & HK94 bolt heads are now classified as restricted import items by HK making stock extremely limited. Date Code: IA - 1980 IB - 1981 IC - 1982 ID - 1983 IE -...
    HKP-01881-M
    $349.95 - $369.95
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