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 - H&K MP5SD 9mm Barrel Port Brush - HKP-00137 HK MP5SD Barrel Port Cleaning Brush - 9mm
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    HK MP5SD Barrel Port Cleaning Brush - 9mm

    H&K Heckler & Koch

    $164.95
    HK Factory MP5SD Barrel Port Brush A much-needed barrel brush to keep the barrel clean on all factory HK MP5SD'S. Fits HK factory SD barrels or in-spec clone barrels such as RCM US-made barrels. Compatible With: MP5SD models Grab a...
    HKP-00137
    $164.95
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  • New - H&K -6 Roller For Bolt Head 7.94mm - Under-sized - HKP-00342 HK -6 Roller For Bolt Head 7.94mm - Under-sized
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    HK -6 Roller For Bolt Head 7.94mm - Under-sized

    H&K Heckler & Koch

    $27.95
    H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...
    HKP-00342
    $27.95
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  • New - HKP HK MP5/MP5K Extractor - Enhanced Coated Polish - HKP-22181-M HK MP5, MP5K Extractor - Coated and Polished
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    HK MP5, MP5K Extractor - Coated and Polished

    HKP HK Parts

    $44.95
    HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished  Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...
    HKP-22181-M
    $44.95
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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 MR556/416 Firing Pin - HKP-00045
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    HK416, MR556 Firing Pin

    H&K Heckler & Koch

    $54.95
    H&K HK MR556/416 Firing Pin   New HK German manufactured. This is a great item to have on hand as the firing pin is one of the most abused components in the HK MR556 and HK 416 weapon systems.   Compatible With: HK MR556 HK 416 HK CR556 HK...
    HKP-00045
    $54.95
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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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  • 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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  • New - B&T Ambidextrous Sling Pin - Small - HKP-16886 B&T Ambidextrous Sling Pin - Small
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    B&T Ambidextrous Sling Pin - Small

    B&T Brugger & Thomet

    $58.95
    B&T Ambidextrous Sling Pin - Small Replaces the small push pin to allow a sling attachment point on either the left or right side of the firearm. Each measures: 6x29mm with rubber o-ring and net screw.
    HKP-16886
    $58.95
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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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  • New - MP5 Brush Combo - All Calibers - HKP-16680 HK MP5 Cleaning Brush Combo
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    HK MP5 Cleaning Brush Combo

    HKP HK Parts / Heckler & Koch

    $44.95
    HK German/USA Brush Set Combo All the HK custom brushes you will need to clean your barrel, chamber, chamber face, receiver, magwell, and magazines. These are the brushes you will need to properly clean and maintain your MP5. This will work with all MP5...
    HKP-16680
    $44.95
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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
    Used - H&K German Bayonet Adapter With Hardware - USED - BLEMISHED - HKP-00021-B HK91, G3, HK33, HK53, HK93 Bayonet Adapter - Hardware Included - USED
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    HK91, G3, HK33, HK53, HK93 Bayonet Adapter - Hardware Included - USED

    H&K Heckler & Koch

    Now: $119.95
    Was: $149.95
    Heckler and Koch German Bayonet Adapter with Screw and Hardware - USED   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. DOES NOT COME WITH HARDWARE HK German Bayonet Adapter with...
    HKP-00021-USED
    Now: $119.95
    Was: $149.95
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    Now: $119.95
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