Smith & Wesson 6906, Fixed Rear Sight white dot, Used, Excellent $35.00 Excellent condition, used fixed rear sight, white dot, black, for a Smith and Wesson 6906. In stock Smith & Wesson 6906, Fixed Rear Sight white dot, Used, Excellent quantity Add to cart Category: Smith & Wesson Related products LPA Smith & Wesson M&P Fibre Optic Adjustable Sight Set. $195.00 Smith & Wesson K frame center pin spring $5.00