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 - H&K MP5 40/10 Standard 8mm Roller - BLEMISHED - HKP-00338-B HK MP5 40/10 Standard 8mm Roller - BLEMISHED
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    HK MP5 40/10 Standard 8mm Roller - BLEMISHED

    H&K Heckler & Koch

    Now: $12.95
    Was: $20.95
    H&K MP5 40/10 Standard 8mm Roller - BLEMISHED MEASURED 8.00mm ROLLER MARKED INCORRECTLY. PACKAGING MAY NOT REFLECT PRODUCT. CONDTION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...
    HKP-00338-B
    Now: $12.95
    Was: $20.95
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    Now: $12.95
    Was: $20.95
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  • New - H&K MG3 50 Round Assault Drum - HKP-22090 HK MG3 50 Round Assault Drum
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    HK MG3 50 Round Assault Drum

    H&K Heckler & Koch

    $27.95
    H&K MG3 50 Round Assault Drum H&K manufactured 50-round drum for the MG3. Unissued, but may have light marks or dust from long-term storage. Clips onto MG3 feed trays. With minor modifications, these can be run on HK21, HK21E, and HK51B setups...
    HKP-22090
    $27.95
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    $27.95
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  • New - H&K VTAC-MK2 Sling - Coyote Tan - HKP-22008 HK VTAC-MK2 Sling - Coyote Tan
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    HK VTAC-MK2 Sling - Coyote Tan

    H&K Heckler & Koch

    $62.95
    H&K VTAC-MK2 Sling - Coyote Tan - Two Point Sling The Viking Tactics Padded Sling features a closed cell foam shoulder strap and durable resin treated nylon. Its quick adjust design allows fast length changes from any position. The friction resistant...
    HKP-22008
    $62.95
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    $62.95
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  • New - H&K MR762 A4 Buffer Tube - HKP-21964 HK MR762 A4 Buffer Tube
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    HK MR762 A4 Buffer Tube

    H&K Heckler & Koch

    $95.95
    H&K MR762 A4 Buffer Tube Factory German-made buffer tube for the MR762 A4. Compatible With: HK MR762 A1/A4
    HKP-21964
    $95.95
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    $95.95
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  • On Sale
    New - HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special - HKP-99135 HK Incomplete Ambidextrous Selector Axle - Gunsmith Special
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    HK Incomplete Ambidextrous Selector Axle - Gunsmith Special

    HKP HK Parts

    Now: $6.95
    Was: $14.95
    HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special U.S.-made selector lever. Incomplete part for ambidextrous setups. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith...
    HKP-99135
    Now: $6.95
    Was: $14.95
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    Now: $6.95
    Was: $14.95
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  • New - H&K 417/MR762/G28 Complete Buffer Tube - HKP-21872 HK416, MR556 Buffer Tube
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    HK416, MR556 Buffer Tube

    H&K Heckler & Koch

    $176.95
    H&K HK416, MR556 Complete Receiver Extension/Buffer Tube Genuine German complete receiver extension for the HK416 5.56/.223 platforms. Compatible With: HK416 MR556 ***Packaging may say "G26".  This was a typo by HK.
    HKP-21872
    $176.95
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    $176.95
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  • On Sale
    New - HK MP5K Carrier Weldment Tube - HKP-99062 HK MP5K Carrier Weldment Tube
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    HK MP5K Carrier Weldment Tube

    USA

    Now: $19.95
    Was: $44.95
    HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm.  Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...
    HKP-99062
    Now: $19.95
    Was: $44.95
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    Now: $19.95
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  • On Sale
    New - Strike Industries HK MP5 9mm Dual Folding Stock w/ Adapter - HKP-21768-M HK MP5 9mm Dual Folding Stock w/ Adapter
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    HK MP5 9mm Dual Folding Stock w/ Adapter

    HKP HK Parts / Strike Industries

    Now: $274.95
    Was: $319.95
    Strike Industries HK MP5 9mm Dual Folding Stock w/Adapter  The Strike Industries Dual Folding Stock paired with the HKP MP5 picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock configuration...
    HKP-21768-M
    Now: $274.95
    Was: $319.95
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  • New - B&T Blast Deflector with Glass Breaker - Rotex IIA Interface - HKP-21776 B&T Blast Deflector - Rotex IIA Interface - Glass Breaker
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    B&T Blast Deflector - Rotex IIA Interface - Glass Breaker

    B&T Brugger & Thomet

    $280.00
    B&T Blast Deflector with Glass Breaker - Rotex IIA Interface B&T blast deflector with glass breaker features a Rotex IIA Interface, designed to work with non-Pro APC223 and APC308 muzzle devices.  Compatible With: B&T APC223...
    HKP-21776
    $280.00
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    $280.00
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  • New - B&T HK G3 Side Rail - Short - HKP-21775 HK91, G3, MP7, G36 Side Rail - Short
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    HK91, G3, MP7, G36 Side Rail - Short

    B&T Brugger & Thomet

    $42.00
    B&T HK G3/HK91, G36, MP7 Side Rail - Short Swiss made B&T short side rail for the B&T quad rail handguard. Compatible With B&T Handguards For: HK91/G3 G36 MP7
    HKP-21775
    $42.00
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    $42.00
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  • Out Of Stock
    New - B&T HK MP5/SP5/G36 Helmet Stock Cheek Support - HKP-21684 HK MP5/SP5/G36 Helmet Stock Cheek Support

    HK MP5/SP5/G36 Helmet Stock Cheek Support

    B&T Brugger & Thomet

    $168.00
    B&T HK MP5/SP5/G36 Helmet Stock Cheek Support B&T cheek support for B&T helmet stocks. Compatible With: HK MP5/MP5K HK SP5/SP5K HK G36  
    HKP-21684
    $168.00
    Out Of Stock
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    $168.00
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  • Out Of Stock
    New - HKP HK MP5K Receiver Flat - Smooth Top - HKP-21550 HK MP5K Receiver Flat - Smooth Top

    HK MP5K Receiver Flat - Smooth Top

    HKP HK Parts

    $129.95
    HKP HK MP5K Receiver Flat - Smooth Top The MP5K receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints and specifications. This receiver boasts a flat top,...
    HKP-21550
    $129.95
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