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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  • Used - HK G3 - FMP Early Type Demilled Front End - HKP-20845 HK G3 - FMP Early Type Demilled Front End
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    HK G3 - FMP Early Type Demilled Front End

    FMP HK CONTRACT

    $99.95
    HK G3 - FMP Early Type Demilled Front End Early style G3 front end with no hanger. These are the perfect option for those doing custom builds. Good condition over all. Includes: Cocking tube Complete cocking handle assembly Trunnion Barrel pin
    HKP-20845
    $99.95
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    $99.95
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  • On Sale
    New - TPM - Fluted Bolt Knob - Titanium - HKP-20769 Bolt Knob - Fluted - Titanium
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    Bolt Knob - Fluted - Titanium

    Tactical Precision MFG

    Now: $24.95
    Was: $48.99
    TPM - Fluted Bolt Knob - Titanium These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle.  Features: Dimensions: 1.5" x 7/8" x 7/8" Weight: 2 oz. Material: titanium Threads: 5/16x24  
    HKP-20769
    Now: $24.95
    Was: $48.99
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    Now: $24.95
    Was: $48.99
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  • New - HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw - HKP-20688 HK USC, UMP Stock Block C Eyelet with Thumb Screw
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    HK USC, UMP Stock Block C Eyelet with Thumb Screw

    HDPS

    $169.95
    HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw Great option since factory HK UMP stocks are hard to find and expensive. The HDPS HK USC/UMP stock block "C." Each unit comes with eyelet / thumb screw design. This is the type for use with the ACE...
    HKP-20688
    $169.95
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    $169.95
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  • Used - H&K HK SL8-1 Complete Locking Lever - HKP-16375 HK SL8-1 Locking Lever - Complete
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    HK SL8-1 Locking Lever - Complete

    H&K Heckler & Koch

    $39.95
    H&K HK SL8-1 Complete Locking Lever Heckler & Koch USC & SL8-1 Complete Locking Lever is a top-tier, factory original component crafted from robust black polymer. This German-made part is specifically engineered for the HK SL8, USC, and UMP...
    HKP-16375
    $39.95
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    $39.95
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  • Used - Refinished HK MP5K Slimline Forearm - OD Green - HKP-20498 HK MP5K, SP5K Slimline Handguard - OD Green - Refinished
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    HK MP5K, SP5K Slimline Handguard - OD Green - Refinished

    H&K Heckler & Koch

    $39.95
    Refinished HK MP5K Slimline Forearm - OD Green Refinished German military OD green slimline forearm with heat shield, modified to fit the MP5K. Available exclusively at HK Parts. Compatible With: MP5K, SP5K
    HKP-20498
    $39.95
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    $39.95
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  • Out Of Stock
    New - F5 MFG HK MP5 .22LR Modular Brace System Havoc - Black - HKP-20195 HK MP5 Brace System - Modular - .22LR - Havoc

    HK MP5 Brace System - Modular - .22LR - Havoc

    F5 MFG

    $349.95
    F5 MFG HK MP5 .22LR Modular Brace System Havoc  MBS (Modular Brace System) for the MP5 .22LR. To convert your brace into a stock, simply swap out the brace attachment interface with F5's MSS stock interface in a matter of seconds (NFA rules apply)...
    HKP-20195
    $349.95
    Out Of Stock
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    $349.95
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  • New - Choate HK 93, 94, MP5 M4 Telescoping Stock - Black - HKP-19895 HK MP5, HK93, HK94 M4 Telescopic Stock
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    HK MP5, HK93, HK94 M4 Telescopic Stock

    Choate

    $246.99
    Choate M4 Telescopic Stock for MP5, HK93, and HK94  The M4 telescopic stock for the Heckler and Koch HK93, HK94 and MP5 replaces the existing stock and gives the shooter the ability to change the length of pull. The housing is all aluminum and...
    HKP-19895
    $246.99
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    $246.99
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  • Used - Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group - HKP-19663 HK MP5 Binary Trigger Group - SEF Navy - BFSIII - 10mm and .40 S&W
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    HK MP5 Binary Trigger Group - SEF Navy - BFSIII - 10mm and .40 S&W

    FA Franklin Armory

    $879.95
    Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK binary trigger group for the MP5 .40 and 10mm firearms.  The BFSIII is ideal for tactical and competition use. The BFSIII provides greatly reduced...
    HKP-19663
    $879.95
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    $879.95
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  • Out Of Stock
    New - H&K SP5/MP5 9mm SEF Universal Contoured Trigger Housing - Clipped & Pinned - HKP-19271 HK SP5, MP5 Trigger Housing - SEF Universal Contoured - Clipped and Pinned - 9mm

    HK SP5, MP5 Trigger Housing - SEF Universal Contoured - Clipped and Pinned - 9mm

    H&K Heckler & Koch

    $349.95
    H&K Heckler and Koch 9mm Clipped and Pinned SEF Universal Contoured Trigger Housing for HK SP5 and HK MP5 This SEF contoured trigger housing is designed for universal compatibility with both HK SP5 and MP5 semi-auto shelf styles. Featuring contoured...
    HKP-19271
    $349.95
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    $349.95
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  • New - H&K HK MR762/417 14.7" Modular Rail System - Black - HKP-17343 HK417, MR762 14.7" Modular Rail System
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    HK417, MR762 14.7" Modular Rail System

    H&K Heckler & Koch

    $479.95
    HK MR762, CR762 & HK 417 14.7" Extended Modular Rail System (MRS) - Rare New HK German modular rail system for the HK MR762. Each unit comes with 2 X 5 slot rails attached on the HKey attachment system as well as all hardware for attachment. This is...
    HKP-17343
    $479.95
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    $479.95
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  • New - H&K HK MR762/417 Charging Handle Latch Spring - HKP-16600
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    HK417, MR762 Charging Handle Latch Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417 Charging Handle Latch Spring This is the charging handle release latch spring. Compatible With: HK MR762 HK 417
    HKP-16600
    $9.95
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    $9.95
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  • Out Of Stock
    New - HKP HK MR556/416 Rear Sight Drum 10" Barrel Length - HKP-17774 HK416, MR556 Rear Sight Drum for 10" Barrels

    HK416, MR556 Rear Sight Drum for 10" Barrels

    HKP HK Parts

    $29.95
    HKP HK MR556/416 Rear Sight Drum 10" Barrel Length Made in the USA.
    HKP-17774
    $29.95
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    $29.95
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