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 HK MR556/MR762/416/417 Complete Piston Rod Assembly - HKP-00042
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    HK416, MR556 Piston Rod - Complete Assembly

    H&K Heckler & Koch

    Now: $98.95
    Was: $109.95
    Heckler and Koch Complete Piston Rod Assembly for your HK416, HK MR556, HK417, HK MR762 A great replacement or spare to keep on hand. Compatible With: HK 416, HK MR556 HK 417, HK MR762 Please Note: Does not fit barrels less than 10 inches.
    Now: $98.95
    Was: $109.95
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    New - AntiVenom-XPLC Lubricant and Cleaner - HKP-18410 AntiVenom-XPLC Lubricant and Cleaner Strike Industries HKP-18410
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    AntiVenom-XPLC Lubricant and Cleaner

    Strike Industries

    Now: $13.46
    Was: $14.95
    AntiVenom-XPLC Lubricant and Cleaner Strike Industries introduces the industry's most extreme general purpose weapons lubrication, cleaning, and protection solution. Strike Industries AntiVenom-XPLC is the culmination of years of research and...
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    Was: $14.95
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    New - H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover - Black - HKP-01743 HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad
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    HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible With: HK...
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    New - HK Piston 3-Ring Replacement Set - HKP-00048
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    HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    HKP Gas Piston Ring Replacement Combo Set- 3 Rings The gas rings are prone to periodic breakage and wear and tear and require them to be replaced periodically. These are some of the most common breakage parts we see that need to be replaced on these...
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    Was: $19.95
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    New - H&K HK MR556/MR762/416/417/G28 A5 Grip V2 - RAL 8000 - HKP-18467 HK416, HK417, MR556, MR762, G28 A5 Grip V2 - RAL8000
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    HK416, HK417, MR556, MR762, G28 A5 Grip V2 - RAL8000

    H&K Heckler & Koch

    Now: $40.46
    Was: $44.95
    H&K HK MR556/MR762/416/417/G28 A5 Grip V2 - RAL 8000 Compatible With: HK MR556 HK 416/416-A5 HK MR762 HK 417/417-A2 HK M27 HK G28 AR-15, M4, & M16 Platforms Please Note: Color representation is based on Heckler & Koch's information...
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    Was: $44.95
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    New - Safariland Silicone Gun & Reel Cloth - HKP-17630 Safariland Silicone Gun & Reel Cloth Safariland HKP-17630
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    Safariland Silicone Gun & Reel Cloth

    Safariland

    Now: $3.56
    Was: $3.95
    Safariland Silicone Gun & Reel Cloth Silicone gun cloth for all HK firearms to preserve and protect your firearms finish. Will also work for any firearm, magazine or part. A great way to protect your collectibles.
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    New - HKP HK Piston Ring Replacement Set - 3 Ring Combo - HKP-17933
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    HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3 - USA

    HKP HK Parts

    Now: $7.16
    Was: $8.95
    HK MR556, HK416 & G36, SL8 Gas Piston Ring Replacement Combo Set - 3 Rings This is a high wear common repair & replacement item. The gas rings are prone to periodic breakage & wear, tear and require them to be replaced periodically...
    Now: $7.16
    Was: $8.95
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    New - Magpul M-LOK 5 Slot Rail Section - HKP-19568 M-LOK Rail Section - 5 Slot
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    M-LOK Rail Section - 5 Slot

    Magpul

    Now: $17.05
    Was: $18.95
    Magpul M-LOK 5 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...
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    New - H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston - HKP-00047
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    HK416, MR556, G36 Gas Piston - Complete

    H&K Heckler & Koch

    Now: $45.86
    Was: $50.95
    H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...
    Now: $45.86
    Was: $50.95
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    New - AIM Sports Low Profile Red/Green Dot Micro Sight - HKP-16209 AIM Sports Low Profile Red/Green Dot Micro Sight
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    AIM Sports Low Profile Red/Green Dot Micro Sight

    AIM

    Now: $53.96
    Was: $59.95
    Micro Red Dot Low Profile Sight With Green & Red Dot Option For those that require a good, reliable, well made optic without the name brand or heavy price tag, this is an outstanding choice. This micro optic is rated for anything from .22 all they...
    Now: $53.96
    Was: $59.95
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    New - H&K HK MR556/MR762/416/417 14.5"/16.5" Rear Diopter Sight - HKP-00027 HK416, HK417, MR556, MR762 Rear Diopter Sight
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    HK416, HK417, MR556, MR762 Rear Diopter Sight

    H&K Heckler & Koch

    Now: $204.25
    Was: $226.95
    H&K HK MR556/MR762/416/417 Rear Diopter Sight Factory correct rear diopter sight for 416/417 and MR platforms. This sight can be paired with a fixed front sight or folding front sight. Compatible With: HK MR556 HK416 HK MR762 HK417
    Now: $204.25
    Was: $226.95
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    Was: $226.95
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    New - HKP 2 Point Leather & Cotton Sling - HKP-21320-M HK 2 Point Leather & Cotton Sling
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    HK 2 Point Leather & Cotton Sling

    HKP HK Parts

    Now: $47.96
    Was: $59.95
    2 Point Leather & Cotton Sling  Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German artisan using quality US leather and hardware.  Each sling is approximately 48" long...
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