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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  • On Sale
    New - HKP HK MR556/416 DMR KeyMod 9" Handguard - Black - HKP-17982
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    HK416, MR556 Handguard - KeyMod 9"

    HKP HK Parts

    Now: $99.95
    Was: $269.95
    HK MR556 & HK416 Standard Length 9" - KeyMod Handguard
    HKP-17982
    Now: $99.95
    Was: $269.95
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    Now: $99.95
    Was: $269.95
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  • On Sale
    New - Beta C-Mag 100 Round HK MR556/416 5.56/.223 Drum System - HKP-02418
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    HK416, MR556 Drum System - Beta C-Mag - 100 Round

    Beta C-Mag

    Now: $499.95
    Was: $564.95
    100 Round Beta C-Mag For The HK416 & MR556 Firearms These drums are designed with clear back covers to enable you to see your round count. This works in any weapon system that takes the standard AR-15 magazines. This part is...
    HKP-02418
    Now: $499.95
    Was: $564.95
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    Now: $499.95
    Was: $564.95
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  • Out Of Stock
    New - HK Ambidextrous Sling - Green - HKP-00183

    HK Ambidextrous Sling - Green

    H&K Heckler & Koch

    $149.95
    HK Ambidextrous Sling - Green  This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on nearly...
    HKP-00183
    $149.95
    Out Of Stock
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    $149.95
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  • On Sale
    New - Ergo Harris Bipod Mount - KeyMod Handguard - HKP-17874
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    Harris Bipod Mount - KeyMod Handguard

    Ergo

    Now: $9.95
    Was: $38.95
    Ergo Harris Bipod Mount - KeyMod Handguard   Features: KeyMod Bipod Mount Black anodized 6061-T6 Alum. Compatible With: Harris-style bipods
    HKP-17874
    Now: $9.95
    Was: $38.95
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    Now: $9.95
    Was: $38.95
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  • HK MR556 A4 Hammer - Incomplete - Semi-Auto HK MR556 A4 Hammer - Incomplete - Semi-Auto
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    HK MR556 A4 Hammer - Incomplete - Semi-Auto

    H&K Heckler & Koch

    $43.95
    Heckler and Koch Hammer for HK MR556 Semi-Auto rifles Factory-original German steel hammer for MR556 A4 rifles. Designed as a direct replacement for worn or damaged hammers in MR556 A1 and A4 trigger assemblies. Compatible With: MR556A1 MR556...
    HKP-22384
    $43.95
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    $43.95
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  • HK MR556, MR762 Adapter - Buttstock - Ambi Slimline - Snap Hook
HK MR556, MR762 Adapter - Buttstock - Ambi Slimline - Snap Hook
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    HK MR556, MR762 Adapter - Buttstock - Ambi Slimline - Snap Hook

    H&K Heckler & Koch

    $177.95
    H&K MR556/MR762 Ambi Slimline Buttstock Snap Hook Adapter Genuine H&K snap hook adapter designed to provide ambidextrous sling attachment points for MR556 and MR762 slimline buttstocks. Compatible With: HK MR556 slimline buttstocks HK MR762...
    HKP-22100
    $177.95
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    $177.95
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  • On Sale
    New - B&T APR308 Deployment Bag - HKP-21880 B&T APR308 Deployment Bag
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    B&T APR308 Deployment Bag

    B&T Brugger & Thomet

    Now: $189.95
    Was: $339.95
    B&T APR308 Deployment Bag  Hidden for years in an unmarked crate, these genuine B&T contracted deployment cases are perfect for keeping your valuable B&T APR rifle, or any other rifle, safe and secure. The cases were crafted in Poland by...
    HKP-21880
    Now: $189.95
    Was: $339.95
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    Was: $339.95
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  • Out Of Stock
    New - Nefarious Arms HK MR556/416 10.4" A5 Barrel - HKP-21873 HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A5

    HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A5

    Nefarious Arms

    $594.95
    Nefarious Arms HK MR556416 10.4" A5 Barrel An expertly crafted 10.4" barrel designed for the HK MR556 and 416 platforms. Featuring the A5 profile, this barrel balances durability and weight, making it an excellent choice for both tactical and...
    HKP-21873
    $594.95
    Out Of Stock
    Qty in Cart: 0
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    $594.95
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  • New - B&T 52mm QD Skeleton Mount for Aimpoint ACRO - HKP-21860 Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO
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    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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  • Out Of Stock
    New - B&T Bipod (Polymer) - Picatinny Mount - Rubber Feet - HKP-21773 Picatinny Bipod Mount - Polymer - Rubber Feet

    Picatinny Bipod Mount - Polymer - Rubber Feet

    B&T Brugger & Thomet

    $145.00
    B&T Bipod (Polymer) - Picatinny Mount - Rubber Feet Genuine B&T bipod with NAR adapter (Picatinny mount) for use on any firearm featuring a Picatinny bottom rail. 
    HKP-21773
    $145.00
    Out Of Stock
    Qty in Cart: 0
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    $145.00
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  • Out Of Stock
    New - B&T 5.56 Rotex-SF Titanium HUB Adapter - HKP-21713 B&T 5.56 Rotex-SF Titanium HUB Adapter

    B&T 5.56 Rotex-SF Titanium HUB Adapter

    B&T Brugger & Thomet

    $275.00
    B&T 5.56 Rotex-SF Titanium HUB Adapter The B&T Rotex-SF HUB is a durable mounting system compatible with all 1.375x24TPI "HUB" suppressors. The HUB easily threads into compatible suppressors and can be secured with a spanner wrench or...
    HKP-21713
    $275.00
    Out Of Stock
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    $275.00
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  • New - KDG HK MR556 10" M-LOK Rail System - FDFE - HKP-19240 KDG HK MR556 10" M-LOK Rail System - FDFE
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    KDG HK MR556 10" M-LOK Rail System - FDFE

    KDG Kinetic Development Group

    $374.95
    Rail System - 10" - Brown - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like the...
    HKP-19240
    $374.95
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    $374.95
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