SSS.6.77 - Research Supplement: The Rugged Razor556 vs. Razor762 with 7.62mm and 5.56mm Endcaps on the MK18 (Members Only)

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SSS.6.77 - Research Supplement: The Rugged Razor556 vs. Razor762 with 7.62mm and 5.56mm Endcaps on the MK18 (Members Only)

The Rugged Razor556 centerfire rifle silencer is compared to the Rugged Razor762 in this members-only Research Supplement. Parameters investigated are relative First Round Pop (FRP) and overall sound signature suppression performance characteristics on the MK18. Performance of the Razor762 with the standard 30 caliber endcap, as well as the standard Rugged 5.56mm endcap is highlighted, as was done in previous Member Research Supplement 6.59.

This research supplement is intended to provide more information to PEW Science members with regard to the specific sound signature characteristics of the Rugged Razor556 on the MK18 compared with those of the Razor762 with its standard 30 caliber endcap and 5.56mm endcap. This supplement is part of ongoing PEW Science small arm weapon system sound signature research.

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SSS.6.76 - Rugged Razor556 and the MK18 5.56x45mm Short Barrel Automatic AR15 Rifle

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SSS.6.76 - Rugged Razor556 and the MK18 5.56x45mm Short Barrel Automatic AR15 Rifle

The Rugged Razor556 is a “semi-compact” 223 caliber machine gun rated rifle silencer that possesses moderate sound signature suppression performance with relatively low back pressure. Relative to many dedicated 5.56mm bore silencers, it may be considered “full size.” The silencer is lighter than the Razor762 and quieter than the Razor762 on the MK18 5.56x45mm short-barrel rifle AR15 weapon system, on average. The Razor556 is advertised to have extreme durability and possesses a total system weight of 15.3 ounces, as tested.

In this review, the Razor556 performance metrics depend upon suppressing a supersonic centerfire rifle cartridge on a short barrel gas-operated rifle, which is an incredibly difficult task. How would the Razor556 perform on your AR15 short barrel rifle?

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