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 - 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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  • 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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  • 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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  • Flat Bending Jig Set For All HK Style Flats - RENTAL HKP HK Parts HKP-19595-RENTAL HK Receiver Flat Bending Set Jig - RENTAL
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    HK Receiver Flat Bending Set Jig - RENTAL

    HKP HK Parts

    $99.95
    Flat Bending Jig Set For All HK Style Receiver Flats - RENTAL Receiver flat bending jig RENTAL for all HK receiver flats.  Our rental jigs are crafted in the US from billeted steel and include the latest revisions with proper dowel spacing for the...
    HKP-19595-RENTAL
    $99.95
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    $99.95
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  • HKP HK UMP/USC M-LOK Attachment Piece HKP HK Parts HKP-22249 HK UMP, USC M-LOK Attachment Piece
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    HK UMP, USC M-LOK Attachment Piece

    HKP HK Parts

    $29.95
    HKP HK UMP/USC M-LOK Attachment Piece Upgrade your UMP and USC with the HK Parts M-Lok attachment piece, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails. This exceptional set significantly expands the range of...
    HKP-22249
    $29.95
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    $29.95
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  • New - Magpul AR/M4 TMAG 20 Round GEN M3 Magazine - Translucent OD Green - HKP-22035 AR, M4 Magazine - TMAG Gen 3 - 20 Round - Translucent OD Green
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    AR, M4 Magazine - TMAG Gen 3 - 20 Round - Translucent OD Green

    Magpul

    $24.95
    Magpul AR/M4 TMAG® 20 Round GEN M3™ Magazine - Translucent OD Green US-made translucent 20 round magazine optimized for AR/M4 platforms, but modified to permit operation with other 5.56 and .223 STANAG-compatible rifles. Specifications: Made...
    HKP-22035
    $24.95
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    $24.95
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  • Used - H&K HK91/G3 PTR Parkerized Backplate & Recoil Rod Assembly - Threaded - HKP-21647 HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted
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    HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted

    H&K Heckler & Koch

    $54.95
    H&K HK91/G3 PTR & Recoil Rod Assembly-Backplate-Painted Our German HK backplate has been expertly refinished and Painted for exceptional durability. This backplate features an innovative guide screw that allows you to effortlessly replace worn...
    HKP-21647
    $54.95
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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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  • 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
"
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    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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    Was: $89.99
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  • New - AR, M4 Brace/Stock Adapter - HK SP5 - HKP-20748 HK SP5, AR, M4 Adapter - Stock or Brace
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    HK SP5, AR, M4 Adapter - Stock or Brace

    HKP HK Parts

    $99.95
    AR, M4 Brace/Stock Adapter - HK SP5 This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way to add a stock or pistol brace to any HK SP5.  Easy...
    HKP-20748
    $99.95
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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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