Fits firearms with 1913 rail Heavy-duty side-folding mechanism constructed from 4140 heat treated steel Full-length locking lug for maximum strength Solid positive lock up in both positions Steel clamp with large surface engagement Can be configured to right- or left-folding Steel parts are mag phosphate finished Length of pull - 13.75" Adds 0.75" to the length of the firearm in the folded position Complete assembly weight: 18.2oz. Hinges are supplied to Manticore Arms by Midwest Industries, made of steel, and weigh 6.9 ounces. The hinge can be set up to allow the stock to fold left or right. Hardware and allen wrenc Mfg: Midwest Industries