Made in America, Talley Manufacturing's Micro Dot Picatinny Rails are machined entirely from high grade 7000 series alloy and protected with a hard-coat anodizing to 65 Rockwell ensuring the craftsmanship of these Picatinny Rails last the lifetime of your firearm. The Winchester Super X Series Shotgun Micro Dot Picatinny Rails are all designed and manufactured with precision to fit your shotgun with the industry's tightest manufacturing tolerances. These Micro Dot Pic Rails provide a mounting platform for all Micro Red Dot optics mounts that have been designed in accordance with the MIL-STD-1913 Pic Rail specifications. FeaturesMOunting Hardware Included