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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  • New - HKP ACE Adapter for HK MP5, 93, 33 - HKP-18504 HKP ACE Adapter for HK MP5, 93, 33
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    HKP ACE Adapter for HK MP5, 93, 33

    HKP HK Parts

    $99.95
    ACE Adapter for HK MP5 and HK 93 Each ACE adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct "H" buffers to protect your expensive firearm. This is the finest ACE adapter available period...
    HKP-18504
    $99.95
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    $99.95
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  • On Sale
    HK MP5K, AP5-P Vertical Foregrip - BLEMISHED HK MP5K, AP5-P Vertical Foregrip - BLEMISHED
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    HK MP5K, AP5-P Vertical Foregrip - BLEMISHED

    MKE

    Now: $28.95
    Was: $44.95
    HK MP5K, AP5-P Vertical Foregrip - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. MKE vertical grip for the...
    HKP-22471-B
    Now: $28.95
    Was: $44.95
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    Now: $28.95
    Was: $44.95
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  • On Sale
    HK MP5, HK MP5K Optic Mount - Aimpoint ACRO P-1 HK MP5, HK MP5K Optic Mount - Aimpoint ACRO P-1
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    HK MP5, HK MP5K Optic Mount - Aimpoint ACRO P-1

    HKP HK Parts

    Now: $72.95
    Was: $98.95
    HKP HK MP5, HK MP5K Aimpoint ACRO P1 Mount Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean overall look. Full co-witness, this mount is the best in the market with the best 3-piece...
    HKP-99354
    Now: $72.95
    Was: $98.95
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    Now: $72.95
    Was: $98.95
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  • HK91, G3 Magazine Release Set - USED HK91, G3 Magazine Release Set - USED
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    HK91, G3 Magazine Release Set - USED

    H&K Heckler & Koch

    $24.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 HK-manufactured, used magazine release set for HK .308 pattern rifles. Complete left-to-right mag catch assembly with both push-button and paddle controls. Expect finish wear and...
    HKP-22466
    $24.95
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    $24.95
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  • HK MP7 Back Plate - Complete HK MP7 Back Plate - Complete
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    HK MP7 Back Plate - Complete

    H&K Heckler & Koch

    $67.95
    HK MP7 Back Plate - Complete OEM complete back plate assembly for the HK MP7. Direct factory replacement back plate for maintaining or rebuilding your MP7 platform using original HK parts. Compatible With: MP7  
    HKP-22430
    $67.95
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    $67.95
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  • On Sale
    HK 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - USED H&K Heckler & Koch HKP-20517-USED HK 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - USED H&K Heckler & Koch HKP-20517-USED
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    HK MP5, MP5K Magazine - LEO Marked - 9mm - 30 Round - USED

    H&K Heckler & Koch

    Now: $134.95
    Was: $199.95
    HK 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is a used H&K German MP5 9mm 30-round magazine. All MP5 magazines...
    HKP-20517-USED
    Now: $134.95
    Was: $199.95
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    Now: $134.95
    Was: $199.95
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  • HK MP5 Case Deflector - 9mm, .40 S&W Receivers HK MP5 Case Deflector - 9mm, .40 S&W Receivers
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    HK MP5 Case Deflector - 9mm, .40 S&W Receivers

    HKP HK Parts

    $24.95
    HKP HK MP5 Case Deflector - 9mm, .40 Receivers US-made steel case deflector for HK MP5 and MP5K receivers in 9mm and .40 S&W. Installs on the ejection-port flat, rivet or weld, to redirect brass and support reliable extraction on MP5 and MP5K style...
    HKP-22383
    $24.95
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    $24.95
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  • On Sale
    HKP HK 416, Colt M4 .22 Match Trigger Upgrade Spring Kit - BLEMISHED HKP HK Parts HKP-17340-B
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    HK416, Colt M4 Spring Kit - .22LR Match Trigger Upgrade - BLEMISHED

    HKP HK Parts

    Now: $11.95
    Was: $17.49
    HKP HK 416, Colt M4 .22 Match Trigger Upgrade Spring Kit - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HKP match trigger spring kit delivers a...
    HKP-17340-B
    Now: $11.95
    Was: $17.49
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    Now: $11.95
    Was: $17.49
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  • PTR PDW MOE PR Stock Magpul HKP-22347 HK51, PTR PDW MOE PR Stock
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    HK51, PTR PDW MOE PR Stock

    Magpul

    $249.95
    Magpul HK51, PTR PDW MOE PR Stock - Black Designed for the PTR PDW platform, this adapter ensures a precise fit and secure lockup for stock installation. Features: Secure lockup for repeatable seating and zero retention High-strength aluminum...
    HKP-22347
    $249.95
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    $249.95
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  • HK G36 ACR Folding Stock - Picatinny Adapter HK G36 ACR Folding Stock - Picatinny Adapter
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    HK G36 ACR Folding Stock - Picatinny Adapter

    HKP HK Parts

    $359.95
    HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...
    HKP-22331
    $359.95
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    $359.95
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  • HK MP5, MP5K Barrel Flute Cleaning Brush - 10mm / .40 S&W HK MP5, MP5K Barrel Flute Cleaning Brush - 10mm / .40 S&W
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    HK MP5, MP5K Barrel Flute Cleaning Brush - 10mm / .40 S&W

    HKP HK Parts

    $24.95
    HKP HK Parts Cleaning Brush - Barrel Flute - 10mm / .40 S&W This is a must-have brush to keep the flute clean and the firearm running the way it should.  Compatible With: HK MP5 10mm and .40 S&W HK MP5K 10mm and .40 S&W
    HKP-22318
    $24.95
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  • HKP HK 91/G3 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22251 HKP HK 91/G3 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22251
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    HK91, G3 Sniper Trigger Group - AC Unity Grip - Match Trigger

    HKP HK Parts

    $644.85
    HK Parts Trigger Group with AC Unity Grip and Match Trigger for HK91 and HK G3 The HK G3 and HK91 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust...
    HKP-22251
    $644.85
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    $644.85
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