Labor Day Sale

Labor Day Sale

The HK Parts Labor Day Sale is live. Save up to 20% on select HK firearm parts, magazines, accessories, upgrades, and products from top brands. Get free shipping on qualifying orders of $250 or more. Limited quantities are available.

Free shipping applies to qualifying orders with a subtotal of $250 or more. All orders receiving free shipping will be shipped via USPS Standard. Exclusions may apply.

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  • On Sale
    New - H&K HK MR556/416 9" Modular Rail System - Black - HKP-17341 HK416, MR556 Handguard - 9" - HKey
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    HK416, MR556 Handguard - 9" - HKey

    H&K Heckler & Koch

    Now: $217.46
    Was: $399.95
    H&K HK MR556/416 9" Modular Rail System - Black HK German MR556 & CR556 handguard that accepts the HKey style modular rail sections. This handguard is compatible with the OSS suppressor system. HK...
    HKP-17341
    Now: $217.46
    Was: $399.95
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    Now: $217.46
    Was: $399.95
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  • On Sale
    New - HKP HK 21 (7.62x51/.308) Tripod Adapter - HKP-00232
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    HK21, HK23, HK11 Tripod Adapter Weldment

    HKP HK Parts

    Now: $16.54
    Was: $25.95
    HK21, HK23, HK11 Tripod Adapter Weldment Raw steel tripod adapter, ready to weld to the bottom of an HK21 shroud.  This factory spec adapter is compatible with factory HK tripods.   Compatible With:
    HKP-00232
    Now: $16.54
    Was: $25.95
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    Now: $16.54
    Was: $25.95
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  • On Sale
    New - RCM HK33/93 .300 BLK 16.1 Inch Barrel - Threaded 5/8x24 - HKP-17392 HK33, HK93 Barrel - 300 BLK - 16.1" - Threaded 5/8x24
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    HK33, HK93 Barrel - 300 BLK - 16.1" - Threaded 5/8x24

    RCM

    Now: $149.78
    Was: $234.95
    NCM HK33/93 .300 BLK 16.125 Inch Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8x24 thread pitch. Although,...
    HKP-17392
    Now: $149.78
    Was: $234.95
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    Now: $149.78
    Was: $234.95
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  • On Sale
    New - RCM MP5 40/10 Full Auto Bolt Carrier - HKP-01192 HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm, .357 SIG
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    HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm, .357 SIG

    RCM

    Now: $142.16
    Was: $157.95
    MP5 40, 10mm - Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and are Tungsten filled and heat treated providing the finest American...
    HKP-01192
    Now: $142.16
    Was: $157.95
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    Now: $142.16
    Was: $157.95
    Subtotal:
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  • On Sale
    HK P2000SK Magazine - 10 Round - 9mm - Black - USED HK P2000SK Magazine - 10 Round - 9mm - Black - USED
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    HK P2000SK Magazine - 10 Round - 9mm - Black - USED

    H&K Heckler & Koch

    Now: $36.71
    Was: $58.95
    HK P2000SK Magazine - 10 Round - 9mm - Black - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. .HK German manufacture and factory-fresh production...
    HKP-00308-BL-USED
    Now: $36.71
    Was: $58.95
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    Now: $36.71
    Was: $58.95
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  • On Sale
    PTR91 Extractor - BLEMISHED PTR91 Extractor - BLEMISHED
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    PTR91 Extractor - BLEMISHED

    PTR

    Now: $7.46
    Was: $12.95
    PTR Extractor for PTR91 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. PTR extractor for PTR91...
    HKP-99457
    Now: $7.46
    Was: $12.95
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    Qty in Cart: 0
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    Now: $7.46
    Was: $12.95
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  • Out Of Stock
    On Sale
    HK MP5, 90 Series Hammer - Full Auto - BLEMISHED
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    HK MP5, 90 Series Hammer - Full Auto - BLEMISHED

    H&K Heckler & Koch

    Now: $17.21
    Was: $29.95
    Hammer, Full Auto HK 90 Series Trigger Packs - German HK - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...
    HKP-21442-B
    Now: $17.21
    Was: $29.95
    Out Of Stock Quick view
    Qty in Cart: 0
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    Now: $17.21
    Was: $29.95
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    Out Of Stock
  • On Sale
    HK VP9 Sight and Optic Mount Bundle - XS Suppressor Height Sights and RMR Optic Plate HK VP9 Sight and Optic Mount Bundle - XS Suppressor Height Sights and RMR Optic Plate
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    HK VP9 Sight and Optic Mount Bundle - XS Suppressor Height Sights and RMR Optic Plate

    XS Sights

    Now: $140.36
    Was: $155.95
    XS Sights Heckler and Koch VP9 Minimalist Optic Mount Bundle - RMR Footprint RMR footprint optic mounting plate and suppressor height sights bundle for VP9 pistols. Compatible With: VP9, VP9 SK VP9...
    HKP-22683
    Now: $140.36
    Was: $155.95
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    Qty in Cart: 0
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    Now: $140.36
    Was: $155.95
    Subtotal:
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  • On Sale
    HK P30, P30L, P30SK Curved Trigger - Adjustable HK P30, P30L, P30SK Curved Trigger - Adjustable
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    HK P30, P30L, P30SK Curved Trigger - Adjustable

    Grayguns

    Now: $89.06
    Was: $98.95
    Description Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK P30 Adjustable Curved Trigger is a first-of-its-kind trigger upgrade for the P30 platform. It fits all P30 variants. The...
    HKP-22628
    Now: $89.06
    Was: $98.95
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    Qty in Cart: 0
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    Now: $89.06
    Was: $98.95
    Subtotal:
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  • On Sale
    HK MP5K, SP5K Trigger Group - Single Stage - SSTG HK MP5K, SP5K Trigger Group - Single Stage - SSTG
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    HK MP5K, SP5K Trigger Group - Single Stage - SSTG

    Magpul

    Now: $602.96
    Was: $669.95
    SSTG Magpul trigger group The Single Stage Trigger Group is a blend between the past and future. The trigger pack begins life as a factory German trigger pack before being professionally converted...
    HKP-22522-M
    Now: $602.96
    Was: $669.95
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    Qty in Cart: 0
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    Now: $602.96
    Was: $669.95
    Subtotal:
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  • On Sale
    HK SL8, G36, Sight Rail - Incomplete - BLEMISHED HK SL8, G36, Sight Rail - Incomplete - BLEMISHED
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    HK SL8, G36, Sight Rail - Incomplete - BLEMISHED

    H&K Heckler & Koch

    Now: $292.46
    Was: $598.95
    Heckler and Koch HK SL8, G36, Sight Rail - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALY DOES NOT INCLUDE FRONT AND REAR SIGHTS
    HKP-17718-IN-B
    Now: $292.46
    Was: $598.95
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    Qty in Cart: 0
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    Now: $292.46
    Was: $598.95
    Subtotal:
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  • On Sale
    HK SL8 Buttstock Cheek Riser Piece - BLEMISHED HK SL8 Buttstock Cheek Riser Piece - BLEMISHED
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    HK SL8 Buttstock Cheek Riser Piece - BLEMISHED

    H&K Heckler & Koch

    Now: $13.46
    Was: $34.95
    HK SL8 Stock Cheek Riser Piece - BLEMISHED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY  
    HKP-01701-B
    Now: $13.46
    Was: $34.95
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    Qty in Cart: 0
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    Now: $13.46
    Was: $34.95
    Subtotal:
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