Smith & Wesson J Frame Model 640 Thumb Piece & Nut Stainless Steel .38 Special Old Style Used 640181 AR-15 As an original new part 1572 Color:LIGHT WOOD This is a complete .500 inch trigger

As an original new part

This genuine S&W replacement cylinder (part #412100000) is manufactured to original factory specifications

high-intensity LitePipes are included with all M-Series sights allowing the shooter to adjust to existing light conditions

This listing is for one (1) used Smith & Wesson OEM cylinder and yoke assembly

Factory replacement parts are manufactured to the same specifications and tolerances as the original parts

Smith & Wesson J Frame Model 640 Thumb Piece & Nut Stainless Steel .38 Special Old Style Used 640181 AR 15 As an original new part 1572 Color:LIGHT WOOD This is a complete .500 inch trigger As an original new part This genuine S&W replacement cylinder (part #412100000) is manufactured to original factory specifications