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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  • Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH
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    Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH

    HKP HK Parts

    $29.95
    HKP muzzle brake threaded 5/8x24 RH for 5.56/.223 and 7.62x51/.308 firearms This HKP muzzle brake is manufactured in the USA to HK specifications and is designed for use on 5.56 and .308 rifles. It features a partially milled birdcage-style design...
    HKP-22508
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • On Sale
    New - H&K HK MR556/HK 416 A4/A5 Barrel Nut - HKP-21938 HK416 A4, MR556 A5 Barrel Nut - BLEMISHED
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    HK416 A4, MR556 A5 Barrel Nut - BLEMISHED

    H&K Heckler & Koch

    Now: $42.95
    Was: $60.95
    HK416 A4, MR556 A5 Barrel Nut - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This precision-machined steel barrel nut is designed specifically for...
    HKP-21938-B
    Now: $42.95
    Was: $60.95
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    Qty in Cart: 0
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    Now: $42.95
    Was: $60.95
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  • On Sale
    HK G36, G36C, G36K Magwell - FDE - BLEMISHED HK G36, G36C, G36K Magwell - FDE - BLEMISHED
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    HK G36, G36C, G36K Magwell - FDE - BLEMISHED

    HKP HK Parts

    Now: $28.95
    Was: $39.95
    HK G36, G36C, G36K Magwell - FDE - BLEMISHED SHADE OF COLOR MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Allows use of all factory G36 and Magpul G36...
    HKP-19300-FDE-B
    Now: $28.95
    Was: $39.95
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    Qty in Cart: 0
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    Now: $28.95
    Was: $39.95
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  • On Sale
    HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED
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    HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED

    Special Weapons

    Now: $239.95
    Was: $319.95
    HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED VARYING CONDITION SHOWN - SOLD INVDIVIDUALLY DOES NOT INCLUDE STOCK OR AR-STYLE MAGAZINE ADAPTER COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN...
    HKP-99394
    Now: $239.95
    Was: $319.95
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    Qty in Cart: 0
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    Now: $239.95
    Was: $319.95
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  • On Sale
    HK MP5, HK33,  HK91 3 Position (0,1,3 Pictogram) Universal Housing - Push Pin - BLEMISHED HK MP5, HK33,  HK91 3 Position (0,1,3 Pictogram) Universal Housing - Push Pin - BLEMISHED
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    HK MP5, HK33, HK91 3 Position (0,1,3 Pictogram) Universal Housing - Push Pin - BLEMISHED

    H&K Heckler & Koch

    Now: $176.95
    Was: $249.95
    HK MP5, HK33, HK91 3-Position (0, 1, 3) Universal Trigger Housing - Push Pin - 9mm, .40/10, 5.56/.223, 7.62/.308 VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...
    HKP-99376
    Now: $176.95
    Was: $249.95
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    Qty in Cart: 0
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    Now: $176.95
    Was: $249.95
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  • Out Of Stock
    On Sale
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HKP HK Parts

    Now: $65.95
    Was: $149.95
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of both...
    HKP-19338-USED
    Now: $65.95
    Was: $149.95
    Out Of Stock
    Qty in Cart: 0
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    Now: $65.95
    Was: $149.95
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  • On Sale
    HK91, G3, PTR Stock - Wood - BLEMISHED HK91, G3, PTR Stock - Wood - BLEMISHED
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    HK91, G3, PTR Stock - Wood - BLEMISHED

    H&K Heckler & Koch

    Now: $142.95
    Was: $199.95
    HK91, G3, PTR Stock - Wood - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Complete rear stock for...
    HKP-19275-B
    Now: $142.95
    Was: $199.95
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    Qty in Cart: 0
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    Now: $142.95
    Was: $199.95
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  • On Sale
    HK MP5 Cocking Tube with Hanger Clip - 9mm - USED HK MP5 Cocking Tube with Hanger Clip - 9mm - USED
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    HK MP5 Cocking Tube with Hanger Clip - 9mm - USED

    H&K Heckler & Koch

    Now: $79.95
    Was: $109.95
    Heckler and Koch HK MP5 9mm Cocking Tube with Hanger Clip - USED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Rare factory German HK MP5 cocking tube with hanger clip. Compatible With: MP5, 94, SP5 MP5 clones or other custom builds THIS...
    HKP-99359
    Now: $79.95
    Was: $109.95
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    Qty in Cart: 0
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    Now: $79.95
    Was: $109.95
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  • HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH
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    HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH

    HKP HK Parts

    $27.95
    HKP HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH Steel flash hider designed for HK23, HK21, and HK11 pattern firearms and is threaded 15x1 right hand. Helps reduce visible muzzle flash while maintaining an original-style HK profile. Compatible...
    HKP-22484
    $27.95
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    Qty in Cart: 0
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    $27.95
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  • HK MP5, MP5K, MKE AP5, AP5-P Case Deflector - 9mm Receivers HK MP5, MP5K, MKE AP5, AP5-P Case Deflector - 9mm Receivers
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    HK MP5, MP5K, MKE AP5, AP5-P Case Deflector - 9mm Receivers

    MKE

    $24.95
    MKE AP5, AP5-P, HK MP5, MP5K Case Deflector for 9mm Receivers This steel case deflector is manufactured by MKE for AP5 firearms and fits MP5-pattern 9mm receivers. It installs on the ejection-port flat of the receiver and is riveted or welded in place to...
    HKP-99349
    $24.95
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    Qty in Cart: 0
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    $24.95
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  • HK MP5, AP5 Full Auto Sear Spring Spacer HK MP5, AP5 Full Auto Sear Spring Spacer
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    HK MP5, AP5 Full Auto Sear Spring Spacer

    MKE

    $1.95
    MKE Distance Sleeve for HK MP5 and AP5 Features: Precision-machined roller used in traditional roller-delayed trigger packs. Ensures perfect trigger geometry, smooth operation, and long-lasting reliability. Compatible With: HK MP5  Century...
    HKP-22477
    $1.95
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    Qty in Cart: 0
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    $1.95
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  • WOOX Angled Grip - M-LOK - AFG WOOX Angled Grip - M-LOK - AFG
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    WOOX Angled Grip - M-LOK - AFG

    WOOX

    $88.95
    WOOX M-LOK Angled Grip Compact angled foregrip for M-LOK handguards, built with a reversible dual-wall structure and checkered texture for a secure, consistent support-hand index. Features: Flat-bottom design for added stability and...
    HKP-22465
    $88.95
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    Qty in Cart: 0
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    $88.95
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