Small Piece of rail section allows the mounting of red dots like Bushnell TRS25 - Made for mini red dots with out removable T1/T2 bases - Patent pending pivot design allows the gun to be folded as designed for compact storage - Constructed from 6061 aluminum hard coat anodized for a lifetime of service. - Includes all mounting hardware - Weight - 2.7 ounces - 100% made in the U.S.A. with MI Lifetime Warranty