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 - Magpul HK MP5K AR 9mm Navy Style Match Trigger Group - HKP-21378 HK MP5K Trigger Group - 9mm - Navy Style with AR Grip and Match Trigger
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    HK MP5K Trigger Group - 9mm - Navy Style with AR Grip and Match Trigger

    Magpul

    Now: $519.95
    Was: $649.95
    Magpul HK MP5K AR 9mm Navy Style Match Trigger Group Our improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5K-AR style match trigger group. This trigger group is a...
    HKP-21378-M
    Now: $519.95
    Was: $649.95
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    Now: $519.95
    Was: $649.95
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  • On Sale
    New - Omega HK UMP .45 Semi Auto Bolt Carrier - Complete - HKP-21316 HK UMP Bolt Carrier - Semi-Auto - Complete - .45 S&W
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    HK UMP Bolt Carrier - Semi-Auto - Complete - .45 S&W

    OMEGA

    Now: $224.95
    Was: $359.95
    Omega HK UMP .45 Bolt Carrier Complete - Semi Auto Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Compatible With: HK UMP .45 Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin The...
    HKP-21316
    Now: $224.95
    Was: $359.95
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    Now: $224.95
    Was: $359.95
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  • New - Strike Universal Picatinny - Dual Folding Adapter - Stock - HKP-21306 HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny
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    HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny

    Strike Industries

    $199.95
    Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...
    HKP-21306
    $199.95
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    $199.95
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  • New - HKP V51 Fixed Stock - USA - HKP-21269 Vector Arms V51 Fixed Stock - USA
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    Vector Arms V51 Fixed Stock - USA

    HKP HK Parts

    $289.95
    HKP Vector Arms V51 Fixed Stock - USA Fixed A2-style stock assembly configured for the Vector V51 platform. Built using a PTR A2 stock section paired with an HKP V51-specific backplate, converted with the correct rear-collapsible rod and fitted with a...
    HKP-21269
    $289.95
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    $289.95
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  • On Sale
    HKP HK Parts HK SP5 Quick Detach End Cap New - HKP QD End Cap with Buffer - SP5 - HKP-20757
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    HK SP5 End Cap with Buffer - QD

    HKP HK Parts

    Now: $59.95
    Was: $99.95
    HKP HK Parts Quick Detach End Cap for HK SP5 With this SP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft grade aluminum and...
    HKP-20757
    Now: $59.95
    Was: $99.95
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    Now: $59.95
    Was: $99.95
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  • New - HKP Single Point Leather Sling - Brown - HKP-20161 HK Single Point Leather Sling - Brown
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    HK Single Point Leather Sling - Brown

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20161
    $49.95
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    $49.95
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  • Used - H&K HK SL8-1 Incomplete Locking Lever - HKP-16367 HK SL8-1 Locking Lever Housing - Incomplete
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    HK SL8-1 Locking Lever Housing - Incomplete

    H&K Heckler & Koch

    $9.95
    H&K HK SL8-1 Incomplete Locking Lever
    HKP-16367
    $9.95
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    $9.95
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  • Out Of Stock
    New - H&K HK G36, HK UMP, HK USC, HK SL8 Lower Compression Spring - HKP-01865

    HK G36, UMP, USC, SL8 Lower Compression Spring

    H&K Heckler & Koch

    $7.95
    HK G36, SL8, USC, & UMP Compression Spring For Index Plate - Lower  
    HKP-01865
    $7.95
    Out Of Stock
    Qty in Cart: 0
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    $7.95
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  • On Sale
    New - Magpul HK MP5 & HK94 MOE SL-S Stock - Black - HKP-20488 HK MP5, HK94, HK33, HK53, HK93 MOE SL-S Stock
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    HK MP5, HK94, HK33, HK53, HK93 MOE SL-S Stock

    Magpul

    Now: $134.95
    Was: $234.95
    Magpul MOE SL-S- HK MP5, HK94, HK33, HK53, HK93 Magpul MOE SL-S MP5, HK 94 complete stock ready to drop in. Great option for those looking for different length options.  The sleek profile, dual-side release latches, and waterproof battery tubes make...
    HKP-20488
    Now: $134.95
    Was: $234.95
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    Now: $134.95
    Was: $234.95
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  • Out Of Stock
    Used - H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned - HKP-19712 HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position Navy Style - Clipped and Pinned

    HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position Navy Style - Clipped and Pinned

    H&K Heckler & Koch

    $449.95
    H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned Introducing the new 3 Position trigger housing, designed for versatility and performance across multiple applications...
    HKP-19712
    $449.95
    Out Of Stock
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    $449.95
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  • Used - SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 - HKP-19666 HK416, MR556 Muzzle Break - Procomp - 1/2x28
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    HK416, MR556 Muzzle Break - Procomp - 1/2x28

    Surefire

    $109.95
    SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both recoil impulse and muzzle rise, allowing the weapon to...
    HKP-19666
    $109.95
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    $109.95
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  • New - H&K HK MR762 Drop Safety Catch Pin - HKP-16617
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    HK MR762 Drop Safety Catch Pin

    H&K Heckler & Koch

    $4.95
    H&K HK MR762 Drop Safety Catch Pin   Compatible With: HK MR762
    HKP-16617
    $4.95
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    $4.95
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