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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  • On Sale
    New - H&K 93/53/33 (5.56/.223) 4 Position Trigger Goup Complete (0,1,3,F) - HKP-00018 HK33, HK53, HK93 Trigger Group - 4 Position 0,1,3,F - Complete
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    HK33, HK53, HK93 Trigger Group - 4 Position 0,1,3,F - Complete

    H&K Heckler & Koch

    Now: $2,989.95
    Was: $3,399.95
    Heckler and Koch HK33, HK53, HK93 4 Position Burst Trigger Group Complete (0,1,3,F) Factory German HK 4-position burst trigger group configured for push-pin style receivers. This complete assembly is designed for HK93, HK33, and HK53 platforms and...
    HKP-00018
    Now: $2,989.95
    Was: $3,399.95
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    Now: $2,989.95
    Was: $3,399.95
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  • New - HKP 53 (5.56/.223) Cocking Tube - Lefties - HKP-19028 HK53 Cocking Tube - Left Hand
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    HK53 Cocking Tube - Left Hand

    HKP HK Parts

    $99.95
    HK53 Length Cocking Tube - For Left Handed Shooters New HK53, HK51 cocking tube made in the US. Made to the exact HK specifications as the factory HK53 German cocking tube. This is the only factory correct HK53 cocking tube available as HK Germany does...
    HKP-19028
    $99.95
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    $99.95
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  • New - H&K MP5 40/10 SEF Navy Style Trigger Housing - Clipped & Pinned - HKP-00445 HK MP5 Trigger Housing - SEF Navy Style - .40 S&W, 10mm
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    HK MP5 Trigger Housing - SEF Navy Style - .40 S&W, 10mm

    H&K Heckler & Koch

    $99.95 - $179.95
    H&K MP5 40/10 SEF Navy Style Trigger Housing  A perfect upgrade for your HK MP5 40/10 build. This is the only SEF-style housing available for the MP5 40/10 family of firearms. Each housing is professionally clipped and pinned and set up for the...
    HKP-00445
    $99.95 - $179.95
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    $99.95 - $179.95
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  • New - HKP MP5 40/10 Full Auto Bolt Carrier - HKP-18363 HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm - USA
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    HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm - USA

    HKP HK Parts

    $149.95
    HKP MP5.40 S&W, 10mm Full Auto Bolt Carrier Machined completely from billet ordnance steel and black oxide finished. This carrier is made to the latest specs, tungsten filled, and heat treated.  Made in the USA and available exclusively at HK...
    HKP-18363
    $149.95
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    $149.95
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  • Out Of Stock
    New - HKP MP5K/SP89 9mm Trigger Group 2 Position Housing 0,1- Safe, Semi Only - HKP-17241 HK MP5K, SP89 Trigger Group - 9mm - 2 Position - Housing 0,1

    HK MP5K, SP89 Trigger Group - 9mm - 2 Position - Housing 0,1

    HKP HK Parts

    $0.00
    HKP/H&K MP5K/SP89 9mm Safe & Semi Only Trigger Group - Clipped & Pinned Introducing a cost-effective alternative to the rare and expensive all-German HK FBI or 0,1 ambidextrous trigger group, now available in a 2-position Navy factory German...
    HKP-17241
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • New - H&K MP5K 9mm Complete Full Auto Bolt Group - HKP-00384 HK MP5K Bolt Group - Complete - Full Auto - 9mm
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    HK MP5K Bolt Group - Complete - Full Auto - 9mm

    H&K Heckler & Koch

    $2,974.95
    MP5K Full Auto Bolt Group "F" Style Complete - German Each factory HK MP5K bolt group includes the following: MP5K F/A - F style bolt carrier F style bolt head 100 degree locking piece firing pin firing pin spring recoil rod assembly Extremely rare...
    HKP-00384
    $2,974.95
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    $2,974.95
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  • Out Of Stock
    New - HK Ambidextrous Sling - Green - HKP-00183

    HK Ambidextrous Sling - Green

    H&K Heckler & Koch

    $149.95
    HK Ambidextrous Sling - Green  This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on nearly...
    HKP-00183
    $149.95
    Out Of Stock
    Qty in Cart: 0
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    $149.95
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  • HK MP5 Optic Rail - M-LOK - Midwest G2 HK MP5 Optic Rail - M-LOK - Midwest G2
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    HK MP5 Optic Rail - M-LOK - Midwest G2

    MI Midwest Industries

    $136.95
    Midwest Industries HK MP5 Optic Rail M-LOK Mil-Spec optic rail designed for the HK MP5 platform featuring M-LOK attachment points. Provides a stable mounting surface for optics and accessories on MP5 series submachine guns. This model is sought after for...
    HKP-22536
    $136.95
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    $136.95
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  • HK UMP, USC Front Sight - Omega HK UMP, USC Front Sight - Omega
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    HK UMP, USC Front Sight - Omega

    OMEGA

    $9.95
    Omega UMP And USC Front Sight Front sight for HK UMP and HK USC Compatible With: UMP USC
    HKP-22513
    $9.95
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    $9.95
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  • Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH
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    Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH

    HKP HK Parts

    $29.95
    HKP muzzle brake threaded 5/8x24 RH for 5.56/.223 and 7.62x51/.308 firearms This HKP muzzle brake is manufactured in the USA to HK specifications and is designed for use on 5.56 and .308 rifles. It features a partially milled birdcage-style design...
    HKP-22508
    $29.95
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    $29.95
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  • On Sale
    HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL
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    HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL

    Other

    Now: $69.95
    Was: $149.95
    Turkish Contract HK MP5, MKE AP5 Stripped Bolt Head - GUNSMITH SPECIAL VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. The Condition will...
    HKP-99372
    Now: $69.95
    Was: $149.95
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    Now: $69.95
    Was: $149.95
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  • HK MP5, MP5K Flash Hider for Tri-Lug Barrels - 1/2x28 - Taper Mount HK MP5, MP5K Flash Hider for Tri-Lug Barrels - 1/2x28 - Taper Mount
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    HK MP5, MP5K Flash Hider for Tri-Lug Barrels - 1/2x28 - Taper Mount

    JMAC Customs

    $116.95
    1/2x28 - Plan B Taper Mount Flash Hider for MP5 & MP5K This flash hider is specifically designed for use on MP5, MP5K, and clone firearms featuring the MP5-spec. tri-lug.  The internal profile clears the front of the tri-lugs when installed...
    HKP-22407
    $116.95
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    $116.95
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