Fingers stay clear of scorching barrels during firefights because a circular shield covers the front on many Mossberg models like the 500, 590, and Maverick 88. Heat lingers near the muzzle, yet that ring keeps skin out of harm’s way. Protection improves sharply and burns drop off when hands avoid hot surfaces. Most shotguns with standard 12-gauge barrels accept them right away and no tweaks needed. Because installation just works, plenty of owners switch over.
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