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
    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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    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
    Add to Cart
    Qty in Cart: 0
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    $1.95
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  • WOOX Woody Stock - Walnut - Picatinny Mount WOOX Woody Stock - Walnut - Picatinny Mount
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    WOOX Woody Stock - Walnut - Picatinny Mount

    WOOX

    $228.95 - $298.95
    WOOX Woody Stock - Walnut The WOOX Woody Stock is a premium upgrade for rifles and SMGs featuring a Picatinny stock interface. Crafted from solid American walnut, it delivers classic warmth with modern ergonomics; featuring an adjustable cheek riser, QD...
    HKP-22461-M
    $228.95 - $298.95
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    Qty in Cart: 0
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    $228.95 - $298.95
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  • HK MR762 A4 Barrel - 16.5" - Proofed HK MR762 A4 Barrel - 16.5" - Proofed
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    HK MR762 A4 Barrel - 16.5" - Proofed

    H&K Heckler & Koch

    $459.95
    HK MR762 A4 Barrel - 16.5" - Proofed Factory proofed HK MR762 A4 16.5" barrel with standard 5/8x24 RH thread pitch. Compatible With: HK MR762 A4
    HKP-22453
    $459.95
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    Qty in Cart: 0
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    $459.95
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  • HK MR762 A4 Upper Receiver Kit - 16" HK MR762 A4 Upper Receiver Kit - 16"
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    HK MR762 A4 Upper Receiver Kit - 16"

    H&K Heckler & Koch

    $2,449.95
    HK UPPER RECEIVER KIT MR762 A4 - 16" The MR762 A4 upper kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with direct-impingement gas systems, as hot carbon...
    HKP-22424
    $2,449.95
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    Qty in Cart: 0
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    $2,449.95
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  • On Sale
    HK G3 Standard Stock Buttpad - Green - Used - BLEMISHED H&K Heckler & Koch HKP-21865-ODG-B HK G3 Standard Stock Buttpad - Green - Used - BLEMISHED H&K Heckler & Koch HKP-21865-ODG-B
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    HK G3 Butt Plate with Catch Spring - Standard Stock - Green - Used - BLEMISHED

    H&K Heckler & Koch

    Now: $0.97
    Was: $2.95
    HK G3 Standard Stock Buttpad - Green - Used - BLEMISHED SOLD INDIVIDUALLY - CRACKED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This German-made buttpad is an excellent replacement for your...
    HKP-21865-ODG-B
    Now: $0.97
    Was: $2.95
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    Qty in Cart: 0
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    Now: $0.97
    Was: $2.95
    Subtotal:
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