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 - JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 - HKP-21256 JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28
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    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28

    JMAC Customs

    Now: $77.95
    Was: $99.95
    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 The360HDis the latest evolution in JMac's Custom's™Recoil Reduction Device™ (RRD)family of muzzle brakes, designed to meet the needs of serious shooters and...
    HKP-21256
    Now: $77.95
    Was: $99.95
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  • New - H&K 3 Round Count Burst Wheel for 4 Position Trigger Packs - HKP-01639
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    HK 3 Round Count Burst Wheel for 4 Position Trigger Packs

    H&K Heckler & Koch

    $127.95
    H&K 3 Round Count Burst Wheel For 4 Position Trigger Packs  
    HKP-01639
    $127.95
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  • New - H&K HK G36/SL8/MP7 Gas Block Pin - HKP-16727
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    HK MP7, G36, SL8 Gas Block Pin

    H&K Heckler & Koch

    $8.95
    H&K HK G36/SL8/MP7 Gas Block Pin The G36/SL8/MP7 gas block pin is the largest out of HK's line up (UMP/USC, 415/MR556, 417/MR762).
    HKP-16727
    $8.95
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    $8.95
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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
    Was: $39.95
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  • New - H&K 93/53/33 (5.56/.223) Trigger Group - SEF Navy Style - Full Auto - Push Pin - HKP-18189 HK33, HK53, HK93 Trigger Group - SEF Navy Style - Full Auto - Push Pin
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    HK33, HK53, HK93 Trigger Group - SEF Navy Style - Full Auto - Push Pin

    H&K Heckler & Koch

    $549.95
    HK German HK93, 33, 33K, 53 SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all...
    HKP-18189
    $549.95
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    $549.95
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  • New - SB Tactical HK MP5 .22LR Folding Brace - Skeletonized - HKP-21053 HK MP5 Folding Brace - .22LR - Skeletonized
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    HK MP5 Folding Brace - .22LR - Skeletonized

    HKP HK Parts / SB Tactical

    $249.95
    Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is the finest option for your MP5 .22 pistol. Available...
    HKP-21053
    $249.95
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    $249.95
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  • New - HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut - HKP-20315 HK MP5, HK90 Series Pinned Hammer Strut
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    HK MP5, HK90 Series Pinned Hammer Strut

    HKP HK Parts

    $13.95
    HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut New USA hammer strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: HK trigger...
    HKP-20315
    $13.95
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    $13.95
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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
    Out Of Stock
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    $399.95
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  • New - B&T MP5SD 9mm Tri- Rail Mount For Suppressor - HKP-16880 HK MP5SD Tri- Rail Mount for Suppressor - 9mm
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    HK MP5SD Tri- Rail Mount for Suppressor - 9mm

    B&T Brugger & Thomet

    $158.95
    B&T MP5SD 9mm Tri- Rail Mount for Suppressor Can accommodate suppressors up to 1.60 inches in overall diameter. Specifications: Color: Black Diameter max: 57.5 mm Length max: 44.5 mm Length of right rail: 30 mm Length of left rail: 30 mm Length of...
    HKP-16880
    $158.95
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    $158.95
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  • Used - H&K MP5K/SP5K SEF Universal Housings - Clipped & Pinned - USED - HKP-21352 HK MP5K/SP5K SEF Universal Housings - Clipped & Pinned - USED
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    HK MP5K/SP5K SEF Universal Housings - Clipped & Pinned - USED

    H&K Heckler & Koch

    $99.95
    H&K MP5K/SP5K SEF Universal Housings - Clipped & Pinned - USED Finally a solution everyone was looking for. A one size fits all approach for the MP5K and SP5K style semi-auto shelf. You can easily swap the lower trigger group assembly and install...
    HKP-21352
    $99.95
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    $99.95
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  • New - MKE HK33/53/93 A3 Retractable Buttstock - OD Green - HKP-21181 HK33, HK53, HK93 Retractable Stock - A3 - OD Green
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    HK33, HK53, HK93 Retractable Stock - A3 - OD Green

    MKE

    $259.95
    MKE HK33/53/93 Retractable Stock - OD GREEN  The MKE retractable HK33 buttstock is an easy-to-install retractable stock system designed to deliver superior comfort and reliable weapon control. The simple lock/release system is easy to operate,...
    HKP-21181
    $259.95
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    $259.95
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  • New - GSG9 HK SL8, HK G36 Magazine Release Axle Pin - HKP-18255 HK SL8, G36 Magazine Release Axle Pin
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    HK SL8, G36 Magazine Release Axle Pin

    GSG9

    $10.95
    HK G36 & SL8 Magazine Release Axle - USA Mag release axle for all G36 & SL8 models. A must-have spare part. Made in the USA. Compatible With: G36 G36K G36K SL8 Other custom G36 type builds
    HKP-18255
    $10.95
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    $10.95
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