HK416 / MR556 Series

HK416 / MR556 Series

Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.

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  • New - SchleTek Carbon Cleaner 150 ml Pump - HKP-21729
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    Carbon-Cleaner - 150 ml Pump

    SchleTek

    $16.95
    SchleTek Carbon Cleaner 150 ml Pump SchleTek Carbon Cleaner is a powerful, fast-acting solution designed to remove stubborn carbon buildup from firearms, suppressors, bolts, gas systems, and other precision components. Its advanced formula penetrates and...
    HKP-21729
    $16.95
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  • Out Of Stock
    New - B&T HK 417/G36K Flash Hider - HKP-21520 HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    B&T Brugger & Thomet

    $144.99
    B&T Flash Hider with Interface for Rotex III/V/VA Swiss-made flash hider compatible with NATO A2 suppressor mounting HUB's. Specifications: Made in Switzerland Threaded M15x1 RH NATO spec Does not include face shims Compatible With: HK416,...
    HKP-21520
    $144.99
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    $144.99
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  • New - Aimpoint Absolute Co-Witness T1 Mount - HKP-19334 Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
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    Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness

    Aimpoint

    $14.95
    Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting.  Features:  6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics Micro T-1 MIL-STD...
    HKP-19334
    $14.95
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  • HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
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    HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH

    GSG9

    $86.95
    GSG9 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for 922R compliance...
    HKP-00631
    $86.95
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  • On Sale
    New - B&T HK416, HK MR223 M-LOK Handguard (11") with Overgrip - Black - HKP-20403 HK416, MR556 M-LOK Handguard with Overgrip - 11"
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    HK416, MR556 M-LOK Handguard with Overgrip - 11"

    B&T Brugger & Thomet

    Now: $249.95
    Was: $365.00
    B&T M-LOK Handguard OG for HK416/MR556 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR556 is an amazing improvement for the combat value of these rifles...
    HKP-20403
    Now: $249.95
    Was: $365.00
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    Now: $249.95
    Was: $365.00
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  • New - HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment - HKP-17845 HK MR556, MR762 H-Key 11 Rail Segment
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    HK MR556, MR762 H-Key 11 Rail Segment

    HKP HK Parts

    $34.95
    HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment 11 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...
    HKP-17845
    $34.95
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  • HK MR556 Bolt Head, Complete HK MR556 Bolt Head, Complete
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    HK MR556 Bolt Head, Complete

    H&K Heckler & Koch

    $384.95
    H&K HK MR556 A1 Complete Bolt Head Brand new factory German bolt head with all the components to make the bolt head complete. Compatible With: HK MR556 A1/A4
    HKP-02712
    $384.95
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  • Out Of Stock
    New - HKP HK MR556/416 M-LOK 9" Handguard - Black - HKP-17981 HK416, MR556 M-LOK 9" Handguard

    HK416, MR556 M-LOK 9" Handguard

    HKP HK Parts

    $199.95
    HK MR556 & HK416 9" M-LOK Forearm Specifications: Weight: 10.2 oz MADE IN THE USA BILLET MACHINED MUCH LIGHTER THAN THE HK FACTORY FOREARM OFFERINGS
    HKP-17981
    $199.95
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  • New - HKP HK MR556/416 Titanium Firing Pin Catch - HKP-17767
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    HK416, MR556 Firing Pin Catch - Titanium

    HKP HK Parts

    $49.95
    HKP HK Parts HK416 and HK MR556 Firing Pin - Titanium Made in the US from grade 6 Titanium. Get the lightest, strongest firing pin available for your HK firearm. Compatible With: HK416, MR556 HK M27
    HKP-17767
    $49.95
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  • New - H&K MR556 A4/416 A5 Gas Block Spring - HKP-22060 HK416 A5, MR556 A4 Gas Block Spring
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    HK416 A5, MR556 A4 Gas Block Spring

    H&K Heckler & Koch

    $19.95
    HK Heckler and Koch HK416 A5, MR556 A4 Gas Block Spring German-made gas block spring for the HK MR556 A4 and HK416 A5. Compatible With: MR556 A4 HK416 A5
    HKP-22060
    $19.95
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  • Out Of Stock
    New - B&T 52mm QD Skeleton Mount for Aimpoint ACRO - HKP-21860 Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO

    Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO

    B&T Brugger & Thomet

    $148.95
    B&T 52mm QD Skeleton Mount for Aimpoint ACRO The B&T QD Skeleton Mount for the Aimpoint ACRO offers a 52mm elevated profile for improved sight alignment. It is ideal for night vision setups that require clearance over forward-mounted IR devices...
    HKP-21860
    $148.95
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    $148.95
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  • New - Nefarious Arms HK MR556/416 11" A5 Barrel - HKP-21839 HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5
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    HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5

    Nefarious Arms

    $594.95
    Nefarious Arms HK MR556/HK416 11" A5 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER.  THE MARKING IS NOT VISIBLE ONCE INSTALLED.  THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS...
    HKP-21839
    $594.95
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