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 - H&K MR556 A4 16.5″ 5.56 M-LOK Upper Receiver Kit - HKP-21909 HK MR556 A4 Upper Receiver Kit - 16.5″ - 5.56 - M-LOK

    HK MR556 A4 Upper Receiver Kit - 16.5″ - 5.56 - M-LOK

    H&K Heckler & Koch

    $1,939.00
    H&K MR556 A4 16.5″ 5.56 M-LOK Upper Receiver Kit This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod...
    HKP-21909
    $1,939.00
    Qty in Cart: 0
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    $1,939.00
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  • Out Of Stock
    New - Gear Head Works Tailhook Mod 1 - FDE - HKP-19541 Gear Head Works Tailhook Mod 1 - FDE

    Gear Head Works Tailhook Mod 1 - FDE

    Gear Head Works

    $159.95
    Gear Head Works Tailhook Mod 1 - FDE We start with a solid piece of billet aluminum and meticulously machine every aspect for a part that is as nice to look at as it is to use. This version clamps to...
    HKP-19541
    $159.95
    Qty in Cart: 0
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    $159.95
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  • New - HKP HK MR556/CR556/MR762 H-Key 8 Rail Segment - HKP-17844 HK MR556, MR762, CR556 H-Key 8 Rail Segment

    HK MR556, MR762, CR556 H-Key 8 Rail Segment

    HKP HK Parts

    $29.95
    HK MR556, CR556 & MR762 HKey Rail Segment - 8 Slot 8 slot picatinny rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style...
    HKP-17844
    $29.95
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    $29.95
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  • New - H&K MR556 A4/416 Rear Takedown Pin - HKP-22029 HK416, MR556, HK417, MR762 Takedown Pin - Rear - A4 Style

    HK416, MR556, HK417, MR762 Takedown Pin - Rear - A4 Style

    H&K Heckler & Koch

    $47.95
    H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin.  Will work for A1 and A4 applications.  
    HKP-22029
    $47.95
    Qty in Cart: 0
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    $47.95
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  • New - H&K German Universal Multi Tool - HKP-00374 HK German Universal Multi Tool

    HK German Universal Multi Tool

    H&K Heckler & Koch

    $79.95
    H&K German Universal Multi Tool This is ideal for the USC or SL8 style of weapon systems. Great multi-tool for sights, handguards, or work on any other accessories.
    HKP-00374
    $79.95
    Qty in Cart: 0
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    $79.95
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  • Out Of Stock
    New - Ergo Picatinny Rail Hand Stop - HKP-14527 Picatinny Handstop

    Picatinny Handstop

    Ergo

    $11.95
    Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.
    HKP-14527
    $11.95
    Qty in Cart: 0
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    $11.95
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  • New - H&K HK MR556/416 Ejector Retaining Pin - HKP-00053

    HK416, MR556 Ejector Retaining Pin

    H&K Heckler & Koch

    $5.95
    H&K Heckler and Koch's Ejector Retaining Pin for your HK416 and HK MR556 This factory HK German part is the pin that holds the ejector in place on the bolt head. Great to have as a spare part...
    HKP-00053
    $5.95
    Qty in Cart: 0
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  • New - H&K 30 Round HK MR556/416 Magazine - RAL 8K - HKP-18780 HK416, MR556 Magazine - 30 Round - RAL8000

    HK416, MR556 Magazine - 30 Round - RAL8000

    H&K Heckler & Koch

    $199.95
    Heckler and Koch 30 Round Magazine - RAL 8000 for HK416 and HK MR556 Heckler & Koch reliability and durability in a 30 round 5.56 mm Polymer Magazine.
    HKP-18780
    $199.95
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    $199.95
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  • New - HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black - HKP-14540 HK416, MR556, G36, SL8 Gas Piston

    HK416, MR556, G36, SL8 Gas Piston

    USA

    $79.95
    HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the...
    HKP-14540
    $79.95
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  • New - Ergo Sling Loop Rail Mount- Ambidextrous - HKP-14526 Ergo Sling Loop Rail Mount- Ambidextrous

    Ergo Sling Loop Rail Mount- Ambidextrous

    Ergo

    $29.95
    Ergo Sling Loop Rail Mount- Ambidextrous The ergonomic HK slide mount sling hook base provides an economical means for attaching an HK-style sling hook to all 1913 Picatinny rails. Perfect for...
    HKP-14526
    $29.95
    Qty in Cart: 0
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    $29.95
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  • New - H&K Bungee Single Point Sling - 1325mm Long - HKP-18728 HK Bungee Single Point Sling - 1325mm Long

    HK Bungee Single Point Sling - 1325mm Long

    H&K Heckler & Koch

    $114.95
    H&K Bungee Single Point Sling - 1325mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the...
    HKP-18728
    $114.95
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    $114.95
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  • New - Magpul M-Lok Tape Switch - Surefire ST - HKP-21480 Surefire ST Mounting Plate - Tape Switch - M-LOK

    Surefire ST Mounting Plate - Tape Switch - M-LOK

    Magpul

    $14.95
    Magpul M-Lok Tape Switch - Surefire ST The M-LOK tape switch mounting plate is designed to attach surefire ST pressure pads on M-LOK compatible systems. It is molded of the same high quality polymer...
    HKP-21480
    $14.95
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    $14.95
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