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 - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Axle Pin - HKP-17624
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin

    H&K Heckler & Koch

    $9.95
    HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR HK 93, 33, 53 HK21, 23, 11, 13 PSG1, MSG90
    HKP-17624
    $9.95
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    $9.95
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  • Out Of Stock
    New - H&K Central Buttstock Section - HK Green - HKP-16987 HK Central Buttstock Section - HK Green

    HK Central Buttstock Section - HK Green

    H&K Heckler & Koch

    $34.95
    H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the G3 and HK91 are out of production.  PLEASE NOTE: These units have handling marks and the price has been set accordingly.
    HKP-16987
    $34.95
    Out Of Stock
    Qty in Cart: 0
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    $34.95
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  • New - RCM HK 33/93 (5.56/.223) Barrel - Threaded 15x1 - HKP-01052
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    HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1

    RCM

    $234.95
    RCM HK 33/93 (5.56/.223) Barrel - Threaded 15x1 New Cold Hammer Forged Steel HK33/93 16.1" barrel, nitrided and US-manufactured. These barrels are among the finest available and come highly recommended by HKParts. Specifications: Made In The...
    HKP-01052
    $234.95
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    $234.95
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  • Used - XS Front & Rear Night Sight System - HK - HKP-00883 HK90 Series Night Sight System - Front and Rear
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    HK90 Series Night Sight System - Front and Rear

    XS Sights

    $153.99
    XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 series or Clones HK 91, G3, PTR HK 93, 33, 53 HK MP5 40/10 HK21 HK 416 Other HK 90 series custom builds that use the diopter-style sights.
    HKP-00883
    $153.99
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    $153.99
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  • On Sale
    Used - H&K HK G3, 91, PTR Bolt Head Complete - Used - HKP-21902 HK91, G3, PTR Bolt Head Complete - Used
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    HK91, G3, PTR Bolt Head Complete - Used

    H&K Heckler & Koch

    Now: $78.95
    Was: $99.95
    German HK G3 & HK 91 & PTR Bolt Head Complete - Used German Date Coded Made in Germany. Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3 rifles. Each bolt head is in good shape...
    HKP-21902
    Now: $78.95
    Was: $99.95
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    Qty in Cart: 0
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    Now: $78.95
    Was: $99.95
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  • On Sale
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
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    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED

    H&K Heckler & Koch

    Now: $2.96
    Was: $5.95
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN.  Features: Precision-machined elbow spring...
    HKP-03330-USED
    Now: $2.96
    Was: $5.95
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    Now: $2.96
    Was: $5.95
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  • On Sale
    New - TPM - .22 Full Port Muzzle Brake - Titanium - HKP-20771 Muzzle Brake - .22 Full Port - Titanium
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    Muzzle Brake - .22 Full Port - Titanium

    Tactical Precision MFG

    Now: $42.95
    Was: $84.99
    Full Port Muzzle Brake - .22 Cal - 1/2x28 This titanium muzzle brake is designed by a master gunsmith and is one of the best and lightest on the market. The spiral port outlets along with the parabolic internal taper significantly reduces recoil while...
    HKP-20771
    Now: $42.95
    Was: $84.99
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    Now: $42.95
    Was: $84.99
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  • On Sale
    New - TPM 6.5mm Titanium Full Port Muzzle Brake - 5/8x24 - Black - HKP-20767 6.5mm Titanium Full Port Muzzle Brake - 5/8x24
"
    Add to Cart

    6.5mm Titanium Full Port Muzzle Brake - 5/8x24 "

    Tactical Precision MFG

    Now: $46.95
    Was: $89.99
    TPM 6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 This lightweight titanium muzzle brake is designed by a master gunsmith and is one of the best on the market. The spiral port outlets along with the parabolic internal taper significantly...
    HKP-20767
    Now: $46.95
    Was: $89.99
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    Now: $46.95
    Was: $89.99
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  • New - MI Side Folder with Lightweight Stock - HKP-20065 MI Side Folder with Lightweight Stock
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    MI Side Folder with Lightweight Stock

    MI Midwest Industries

    $180.95
    MI Side Folder with Light Weight Stock Features: Made in the USA Heavy-duty side-folding mechanism constructed from 4140 steel Full-length locking lug for maximum strength Solid positive lock up in both positions Steel clamp with large surface...
    HKP-20065
    $180.95
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    $180.95
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  • New - HKP HK G36, G36K Folding Stock - FDE - HKP-19298 HKP HK G36, G36K Folding Stock - FDE
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    HKP HK G36, G36K Folding Stock - FDE

    HKP HK Parts

    $109.95
    Folding Stock - HK G36, G36K - Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock to choose the G36C length stock. Each...
    HKP-19298
    $109.95
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    $109.95
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  • New - HKP HK UMP, HK USC, HK G36 Hand Stop Complete - Black - HKP-19236 HK UMP, USC, G36 Handstop - Complete
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    HK UMP, USC, G36 Handstop - Complete

    HKP HK Parts

    $49.95
    Hand Stop Complete - USA - UMP, USC & G36 Compatible With: USC UMP G36K G36C
    HKP-19236
    $49.95
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    $49.95
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  • Out Of Stock
    New - HK G36, SL8 Forearm With Heat Shield - Black - HKP-00271 HK G36, SL8 Handguard With Heat Shield

    HK G36, SL8 Handguard With Heat Shield

    H&K Heckler & Koch

    $115.99
    HK G36 & SL8 Forearm With Heat Shield New HK German G36 & HK SL8 handguard with heat shield & bipod attachment & sling loop point. A drop in part for your HK G36 or SL8 rifle.
    HKP-00271
    $115.99
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