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 MP5 Sling Swivel Circlip HK MP5 Sling Swivel Circlip
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    HK MP5 Sling Swivel Circlip

    H&K Heckler & Koch

    Now: $4.95
    Was: $7.95
    Heckler and Koch Sling Swivel Circlip for HK MP5 Genuine Heckler and Koch sling swivel circlip designed for HK MP5 pattern firearms. This circlip secures the sling swivel assembly to the firearm and provides a correct factory-style attachment point for...
    HKP-99368
    Now: $4.95
    Was: $7.95
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    Now: $4.95
    Was: $7.95
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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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    Now: $79.95
    Was: $109.95
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  • Out Of Stock
    HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH

    HK21, HK23, 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
    Out Of Stock
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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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    $24.95
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  • HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm
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    HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm

    H&K Heckler & Koch

    $12.95
    HK91, G3 19x1.2mm Retaining Ring for A3 Retractable Buttstocks This 19x1.2 retaining ring (circlip-style) is used in the G3 and HK91 A3 retractable buttstock assembly to help retain the locking components in place for proper fit and function. Compatible...
    HKP-22482
    $12.95
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    $12.95
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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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  • 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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    $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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    $2,449.95
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  • HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount
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    HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount

    JMAC Customs

    $116.95
    5/8x24 - Plan B Taper Mount Flash Hider for HK G3, HK417, HK33, HK53, HK93  The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters...
    HKP-22412
    $116.95
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    $116.95
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  • On Sale
    HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED HKP HK Parts HKP-21869-B HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED HKP HK Parts HKP-21869-B
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    HK MP5K 40/10 Stock or Brace Adapter - BLEMISHED

    HKP HK Parts

    Now: $84.09
    Was: $113.95
    HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Easily attach your favorite A2 style stock to your MP5K 40/10 with...
    HKP-21869-B
    Now: $84.09
    Was: $113.95
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    Now: $84.09
    Was: $113.95
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  • HK MR556, MR223 Upper Receiver - BLEMISHED HK MR556, MR223 Upper Receiver - BLEMISHED
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    HK MR556, MR223 Upper Receiver - BLEMISHED

    H&K Heckler & Koch

    $695.95
    HK MR556, MR223 Upper Receiver - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MISSING FORWARD ASSIST AND GAS PISTON COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...
    HKP-16950-BL-B
    $695.95
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    $695.95
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  • HK417, MR762 Handguard - 15" - Tropentarn HK417, MR762 Handguard - 15" - Tropentarn
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    HK417, MR762 Handguard - 15" - Tropentarn

    H&K Heckler & Koch

    $488.95
    Heckler and Koch HK MR762 A4 Complete Handguard - Tropentarn - 15" Factory HK handguard with a 12 o’clock Picatinny rail and M-LOK slots at 3, 6, and 9 o’clock for mounting optics and accessories. Includes dual QD sling sockets for...
    HKP-99326
    $488.95
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    $488.95
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