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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  • 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
    H&K Heckler and Koch +2 Roller for HK MP5 40,10  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...
    HKP-00334
    $19.99
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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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  • HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls
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    HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls

    AS Designs / Geissele

    $689.95
    AS Design HK416 and MR556 V2 ARC-Fire Trigger with Geissele*** Trigger, 416 Selectors, and 0-90-180, 0-45-90, and 0-45-180 Position Options AS Designs’ ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset trigger technology...
    HKP-22803-M
    $689.95
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    $689.95
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  • HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style
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    HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style

    MFI

    $167.95
    HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style MFI replicated the classic MP5SD suppressor appearance. Designed to fit any factory spec 3-lug barrel and a perfect match with the HKP MP5 SD-style handguard conversion. This combination delivers the...
    HKP-22440
    $167.95
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  • New - Magpul UCS - Universal Carbine Stock - HKP-22171-M UCS Universal Carbine Stock - M1913 rail
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    UCS Universal Carbine Stock - M1913 rail

    Magpul

    $209.95
    Magpul UCS Universal Carbine Stock The Magpul UCS (Universal Carbine Stock) is designed to be the ideal lightweight supplement to the vast array of firearms utilizing a vertical M1913 rail on the rear of the receiver for stock fitment. To accommodate the...
    HKP-22171-M
    $209.95
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  • New - B&T HK MP5K Adapter for Folding Stock - HKP-22081 HK MP5K Adapter - Folding Stock
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    HK MP5K Adapter - Folding Stock

    B&T Brugger & Thomet

    $160.00
    B&T HK MP5K Adapter for Folding Stock Upgrade your MP5K platform with precision Swiss engineering. The B&T (Brügger & Thomet) HK MP5K Adapter for Folding Stock is designed to provide a secure and reliable mounting interface for...
    HKP-22081
    $160.00
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    $160.00
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  • New - HKP HK MP5/K Billeted Scope Tab - Weldment - HKP-22063
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    HK MP5, MP5K Scope Tab - Billeted - Weldment

    HKP HK Parts

    $9.95
    HKP HK MP5/K Billeted Scope Tab - Weldment Billeted scope tab weldment for HK MP5, MP5K, and compatible clones. Provides a correct mounting point for optics. Compatible With: HK MP5/94 HK MP5K/SP89 HK MP5 40/10 Clones or custom builds
    HKP-22063
    $9.95
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  • Out Of Stock
    New - H&K G36K Handguard with Heat Shield - HKP-22010 HK G36K Handguard with Heat Shield

    HK G36K Handguard with Heat Shield

    H&K Heckler & Koch

    $68.95
    H&K G36K Handguard with Heat Shield Lightweight and durable design for improved heat management and reliable performance.   Compatible With: G36K  
    HKP-22010
    $68.95
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  • New - Holosun HK VP9/MP5 Reflex Sight HE-507K - Green - HKP-21677 HK MP5, VP9 Reflex Sight HE-507K - Green
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    HK MP5, VP9 Reflex Sight HE-507K - Green

    Holosun

    $354.95
    Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include...
    HKP-21677
    $354.95
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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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  • Out Of Stock
    New - HKP HK UMP Stock Block - B Push Pin - HKP-21249 HK UMP Stock Block B Push Pin

    HK UMP Stock Block B Push Pin

    HKP HK Parts

    $34.95
    Stock Block B Sling Pin With Loop washer & Quick Pull Pin for UMP/USC (.40 S&W/ .45 ACP/9mm)   
    HKP-21249
    $34.95
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  • On Sale
    New - TPM 6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 - HKP-20768 Full Port Muzzle Brake - 6.5mm - Threaded 5/8x24" - Titanium
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    Full Port Muzzle Brake - 6.5mm - Threaded 5/8x24" - Titanium

    Tactical Precision MFG

    Now: $42.95
    Was: $84.99
    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-20768
    Now: $42.95
    Was: $84.99
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    Now: $42.95
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