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 - PTR HK MP5/94 US Made Trigger Group - Black - HKP-14096 HK MP5, HK94 Trigger Group - Semi Auto - US Made
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    HK MP5, HK94 Trigger Group - Semi Auto - US Made

    PTR

    $459.95
    HK MP5/94 9mm Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed, as well as a factory-correct 9mm hammer spring and U.S. ejector lever. The remaining...
    HKP-14096
    $459.95
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    $459.95
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  • Used - H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - Used - HKP-17917
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    HK UMP Magazine - 25 Round - LEO Marked - Used

    H&K Heckler & Koch

    $149.95
    German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings.  Condition of used parts will vary.  All used parts are sold AS-IS. Compatible With: HK UMP .45 ACP
    HKP-17917
    $149.95
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    $149.95
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  • New - HKP 93/53/33 (5.56/.223) Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only - HKP-17246 HK33, HK53, HK93 Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only
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    HK33, HK53, HK93 Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only

    HKP HK Parts

    $549.95
    HKP 93, 33, 53 Trigger Group 2 Position Housing 0,1 - Safe, Semi Only Our trigger group offering is the most desirable HK 93,33,53 trigger group available. Now you can upgrade your HK firearm to have the look & feel of the 4 position burst lower with...
    HKP-17246
    $549.95
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    $549.95
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  • Out Of Stock
    New - H&K MP5 40/10 +2 Roller - HKP-00334 HK MP5 Locking Roller +2 - .40 S&W / 10mm

    HK MP5 Locking Roller +2 - .40 S&W / 10mm

    H&K Heckler & Koch

    $19.99
    MP5 40,10 +2 Roller New HK German MP5 40/10 +2 roller. Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair)...
    HKP-00334
    $19.99
    Out Of Stock
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    $19.99
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  • New - H&K MP5K/SP89 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - HKP-00407 HK MP5K, SP89 Trigger Housing - SEF Navy - Clipped and Pinned
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    HK MP5K, SP89 Trigger Housing - SEF Navy - Clipped and Pinned

    H&K Heckler & Koch

    $199.95
    H&K MP5K/SP89 9mm SEF Navy Style Trigger Housing - Clipped & Pinned Each housing is clipped & pinned for the semi-auto shelf of the HK MP5K builds or SP89 firearms. Specifications: Made In Germany Clipped & Pinned SEF Pictogram...
    HKP-00407
    $199.95
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    $199.95
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  • New - Choate Adjustable Folding Stock 1/2 inch Spacer - HKP-19032 Adjustable Folding Stock 1/2 inch Spacer
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    Adjustable Folding Stock 1/2 inch Spacer

    Choate

    $7.95
    Choate Adjustable Folding Stock 1/2 inch Spacer This spacer adds 1/2 inch to our HK Choate folding stocks that uses the adjustable length of pull spacer system. You can add up to 5 of these spacers to your stock.  
    HKP-19032
    $7.95
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    $7.95
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  • New - HKP MP5F & MP5 40,10 Cocking Tube, Handle, Support Combo - HKP-18152 HK MP5F, MP5 Cocking Tube and Handle - Support Combo - .40 S&W / 10mm
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    HK MP5F, MP5 Cocking Tube and Handle - Support Combo - .40 S&W / 10mm

    HKP HK Parts

    $249.95
    HKP MP5F & MP5 40,10 Cocking Tube, Handle, Support Combo HK MP5 40/10 or MP5 F factory correct USA made cocking tube and cocking tube support assembly complete. This is a factory correct MP5F/MP5 40/10 Cocking tube assembly complete. This assembly...
    HKP-18152
    $249.95
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    $249.95
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  • On Sale
    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED
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    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED

    MKE

    Now: $34.95
    Was: $49.95
    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - 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 contoured trigger housing is manufactured...
    HKP-99395
    Now: $34.95
    Was: $49.95
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    Now: $34.95
    Was: $49.95
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  • HK MP5, AP5 Cocking Handle HK MP5, AP5 Cocking Handle
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    HK MP5, AP5 Cocking Handle

    MKE

    $17.95
    HK MP5 and AP5 Cocking Handle Factory OEM Replacement Factory OEM replacement AP5 cocking handle as found on MKE/Century AP5 models.Compatible With: HK MP5, MP5K, SP89, MP5SD HK SP5, SP5K, SP5-PDW, SP5L Century AP5, AP5-P, AP5-M In-spec clones...
    HKP-22475
    $17.95
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    $17.95
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  • On Sale
    New - MKE HK MP5 Elbow Spring for Trigger - HKP-22225 MKE HK MP5 Elbow Spring for Trigger MKE HKP-22225
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    HK MP5, HK90 Series Trigger Spring - SEF, Navy

    MKE

    Now: $2.45
    Was: $8.95
    MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...
    HKP-22225
    Now: $2.45
    Was: $8.95
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    Now: $2.45
    Was: $8.95
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  • New - HKP HK MP5K to G3 Brace/Stock Adapter - HKP-21853 HK MP5K to G3 Stock or Brace Adapter
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    HK MP5K to G3 Stock or Brace Adapter

    HKP HK Parts

    $113.95
    HKP HK MP5K to G3 Brace/Stock Adapter The MP5K/G3 adapter enables seamless compatibility between MP5K firearms and G3-style stocks. Designed  for a  secure and sturdy connection, it's an excellent upgrade for those looking to customize or swap...
    HKP-21853
    $113.95
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    $113.95
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  • New - PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile - HKP-21806 HK91, G3 Tactical Handguard - Low Profile
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    HK91, G3 Tactical Handguard - Low Profile

    PTR

    $109.95
    PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides, with the...
    HKP-21806-M
    $109.95
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    $109.95
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