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 HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug - HKP-18639 HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug - US
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    HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug - US

    HKP HK Parts

    $299.95
    HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug HKP UMP 3-lug 1/2x28 threaded barrel. This is the perfect replacement for a worn out barrel or as a spare. With the 3-lug attachment point you can attach any suppressor or flash hider that is in-spec or you...
    HKP-18639
    $299.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Firing Pin Retainer Pin - HKP-01894
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    HK UMP Firing Pin Retainer Pin

    H&K Heckler & Koch

    $7.95
    HK UMP Firing Pin - Retainter Pin   This is the pin that trips the trip lever on the UMP lower.   Compatible With: HK UMP  
    HKP-01894
    $7.95
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  • New - EBO HK 91/G3 (7.62x51/.308) Tungsten Full Auto Carrier - Made by EBO Under HK Contract - HKP-16572 HK91, G3 Bolt Carrier - Full Auto - Tungsten - Made by EBO Under HK Contract
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    HK91, G3 Bolt Carrier - Full Auto - Tungsten - Made by EBO Under HK Contract

    EBO

    $199.95
    Used HK Contract Greek (EBO) F/A Date Coded Tungsten Filled Bolt Carrier. HK German G3 F/A date coded bolt carrier with the tungsten inserts. The tungsten inserts and upgrade is ideal for those that are having bolt bounce issues or want the smoothest...
    HKP-16572
    $199.95
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  • New - HKP 9mm US Made Trigger Pack with Flat Trigger - 4 U.S. 922 Parts - HKP-18513 HK MP5, HK94, SP5 Trigger Pack - Flat Trigger -  9mm - 4 US Made 922r Parts
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    HK MP5, HK94, SP5 Trigger Pack - Flat Trigger - 9mm - 4 US Made 922r Parts

    HKP HK Parts

    $299.95
    HKP Zenith 9mm US Made Trigger Pack With Flat Trigger  Semi auto trigger pack complete with flat trigger installed. Completely assembled & ready to drop in. The remaining parts are all German HK Or US made parts to make up the rest of the...
    HKP-18513
    $299.95
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  • New - H&K MP5 & HK94 SEF Navy Style Trigger Group Semi-Auto Clipped & Pinned - HKP-01179 HK MP5, HK94 Trigger Group - SEF Navy Semi Auto - Clipped and Pinned
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    HK MP5, HK94 Trigger Group - SEF Navy Semi Auto - Clipped and Pinned

    H&K Heckler & Koch

    $599.95
    HK Heckler and Koch German SEF Navy Style Semi-Auto Clipped and Pinned Trigger Group Complete for HK MP5 and HK94 Ready to drop on your semi-auto HK 9mm HK Or Clone firearm or upper receiver. Perfect for barreled upper offerings such as the Omega line...
    HKP-01179
    $599.95
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  • New - HK94, SP89 Original Plastic Grip For Metal Housing - HKP-01423 HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic
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    HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic

    H&K Heckler & Koch

    $49.99
    H&K 94 & SP89 Original Plastic Grip For Metal Housing This original plastic grip is designed for use with metal housing setups. Specifications: Original Plastic Grip Compatible With: HK SP89 HK 94 HK 93
    HKP-01423
    $49.99
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  • HK MP5 3 Position 0,1,F Navy Housing HK MP5 3 Position 0,1,F Navy Housing
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    HK MP5 3 Position 0,1,F Navy Housing

    HKP HK Parts

    $169.95
    3 Position 0,1, F Navy Ambidextrous Grip Housing - US MADE US-made Navy ambidextrous grip housing, ideal for any factory German ambidextrous trigger pack or US-made trigger pack. This offering counts as one US-made compliant part. Not compatible with SEF...
    HKP-18196-M
    $169.95
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  • HK MP5, AP5 Firing Pin Spring HK MP5, AP5 Firing Pin Spring
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    HK MP5, AP5 Firing Pin Spring

    MKE

    $4.88
    HK MP5, AP5 Firing Pin Spring The MKE firing pin spring is compatible with all MP5, AP5, AP5-P, MP5K, and .40/10 variants, as well as most in-spec clones. The firing pin is one of the most frequently replaced repair items, making this spring an essential...
    HKP-22485
    $4.88
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  • HK416, MR556, HK417, MR762 Selector Lever - Ambi - Right
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    HK416, MR556, HK417, MR762 Selector Lever - Ambi - Right

    H&K Heckler & Koch

    $11.95
    Heckler & Koch HK416 Ambi Safety Selector Lever Factory HK polymer right side selector lever. Compatible With: HK416 A1/A3 HK MR556 A1 HK417 HK MR762 A1
    HKP-22309
    $11.95
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  • On Sale
    New - MKE HK MP5 Rear Sights Locking Washer - HKP-22240
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    HK MP5 Rear Sights Locking Washer

    MKE

    Now: $1.95
    Was: $2.45
    MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms
    HKP-22240
    Now: $1.95
    Was: $2.45
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  • On Sale
    New - MKE HK MP5 Elbow Spring for Trigger - HKP-22225 MKE HK MP5 Elbow Spring for Trigger MKE HKP-22225
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    HK MP5, HK90 Series Trigger Spring - SEF, Navy

    MKE

    Now: $2.45
    Was: $8.95
    MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...
    HKP-22225
    Now: $2.45
    Was: $8.95
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  • New - Streamlight HK MR556/HK416 Protac 2.0 Rail Mount - HKP-21939 HK416, MR556 Optic Mount - Protac 2.0 - Picatinny, MLOK
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    HK416, MR556 Optic Mount - Protac 2.0 - Picatinny, MLOK

    Streamlight

    $169.99
    Streamlight Protac 2.0 Rail Mount for HK MR556 and HK416 The Streamlight ProTac 2.0 Rail Mount HP is a high-performance rail-mounted tactical light designed for long-gun applications. Producing 2,000 lumens and 100,000 candela, it delivers intense,...
    HKP-21939
    $169.99
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    $169.99
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