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 90 Series Hammer For Trigger Pack - HKP-00377 HKP 90 Series Hammer For Trigger Pack
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    HKP 90 Series Hammer For Trigger Pack

    HKP HK Parts

    $96.95
    HKP 90 Series Hammer For Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm, 40/10, ...
    HKP-00377
    $96.95
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  • Out Of Stock
    New - RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-01136 HK91, G3 Barrel - 7.62 / .308 - 17.7" - Threaded 15x1 RH

    HK91, G3 Barrel - 7.62 / .308 - 17.7" - Threaded 15x1 RH

    RCM

    $264.95
    RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH Made by RCM to the highest tolerances and finest material available. Perfect for that HK build or to replace that shot-out barrel. Each barrel counts as 1 US-compliant part as a bonus. These are...
    HKP-01136
    $264.95
    Out Of Stock
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    $264.95
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  • New - H&K HK MR762/417 Bench Mat - HKP-17170 HK417, MR762 Bench Mat
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    HK417, MR762 Bench Mat

    HKP HK Parts

    $24.95
    HK MR762, HK 417 Bench Mat Our HK MR762, HK417 bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch MR762 & HK417 models. Have fun and learn while you work on your favorite H&K firearm. The soft top...
    HKP-17170
    $24.95
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    $24.95
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  • New - H&K HK MR556 Front Lower Receiver Locking Pin - HKP-02663 HK416, MR556 Takedown Pin - Front - A1 Style
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    HK416, MR556 Takedown Pin - Front - A1 Style

    H&K Heckler & Koch

    $64.95
    H&K HK MR556 Front Lower Receiver Locking Pin With Spring Loaded Detent This part is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and...
    HKP-02663
    $64.95
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    $64.95
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  • New - HKP MP5 .22LR Picatinny Rail Brace/Stock Adapter - HKP-21526 HK MP5 Stock or Brace Adapter - .22LR - Picatinny Rail
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    HK MP5 Stock or Brace Adapter - .22LR - Picatinny Rail

    HKP HK Parts

    $134.95
    HKP MP5 .22LR Picatinny Rail Brace/Stock Adapter Our rail stock adapter enables seamless attachment of any 1913 Style Stock or brace to your MP5.22. The 1913 style stocks & braces firmly lock in place, offering superior cheek weld height compared to...
    HKP-21526
    $134.95
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    $134.95
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  • New - H&K Bungee Single Point Sling - 1250mm Long - HKP-17604 HK Bungee Single Point Sling - 1250mm Long
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    HK Bungee Single Point Sling - 1250mm Long

    H&K Heckler & Koch

    $109.95
    H&K Bungee Single Point Sling - 1250mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...
    HKP-17604
    $109.95
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    $109.95
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  • Used - Friction Sear-USED For SEF, Navy Trigger Packs - HKP-16197 HK MP5, HK33, HK53, HK93, HK91, G3 Catch with Roller for SEF, Navy Trigger Packs - USED
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    HK MP5, HK33, HK53, HK93, HK91, G3 Catch with Roller for SEF, Navy Trigger Packs - USED

    H&K Heckler & Koch

    $4.49
    Friction Sear-USED For SEF, Navy Trigger Packs hk335393, 91, G3,  Used in excellent condition, HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.
    HKP-16197
    $4.49
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  • On Sale
    New - MKE AP5-M Sling Complete - HKP-21186 Century Arms AP5-M, AP5-P Sling - Complete
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    Century Arms AP5-M, AP5-P Sling - Complete

    MKE

    Now: $24.95
    Was: $34.99
    MKE AP5-P Sling Complete Factory-original sling designed for Century Arms AP5-M and AP5-P pistols. Will work with HK SP5 or SP5k and any other in-spec pistol with sling hook attachment points. Features: Factory MP5K style Sling Fits AP5-M and AP5-P...
    HKP-21186
    Now: $24.95
    Was: $34.99
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  • Out Of Stock
    New - HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug - HKP-18678

    HK UMP Barrel - .45 ACP - 8" - Threaded 16x1 LH with 3 Lug

    HDPS

    $399.95
     HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug New USA made .45 ACP 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16x1 LH and 3-lug tipped. The finest barrel for the UMP .45 ACP on the market. Specifications: Threaded 16x1...
    HKP-18678
    $399.95
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    $399.95
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  • On Sale
    New - HKP HK 91/G3/MP5 Ambidextrous Selector Lever - Right Side - Low Profile - HKP-17898 HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile
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    HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile

    HKP HK Parts

    Now: $22.95
    Was: $39.95
    Low Profile, No Contact - Ambidextrous Selector Lever - Right Side This is the right side selector of the ambidextrous trigger packs that is low profile and does not interfere with the hand when the selector lever is in the fire, burst and F/A...
    HKP-17898
    Now: $22.95
    Was: $39.95
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    Now: $22.95
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  • New - H&K 93/53/33 & G3/91 5.56/.223 & 7.62x51/.308 Muzzle Protector Cap - HKP-13959 HK91, G3, HK33, HK53, HK93 Muzzle Protector Cap
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    HK91, G3, HK33, HK53, HK93 Muzzle Protector Cap

    H&K Heckler & Koch

    $5.95
    H&K 93/53/33 & G3/91 5.56/.223 & 7.62x51/.308 Muzzle Protector Cap This cap covers the barrel end or flash hider to prevent debris, water, etc., from entering the barrel. The cap can be removed by hand or when the first round is fired with...
    HKP-13959
    $5.95
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    $5.95
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  • New - LSC/PTR Receiver Flat- MP5 9mm - HKP-01431 HK MP5 Receiver Flat- 9mm
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    HK MP5 Receiver Flat- 9mm

    LSC

    $239.95
    MP5 Receiver Flat - PTR/LSC New PTR 9mm Receiver Flat made on the original LSC tooling. This flat is considered by many to be the most sought-after HK flat available on the market and perfect for that HK custom build. This item is not considered an FFL...
    HKP-01431
    $239.95
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    $239.95
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