NB184 Smith & Wesson N Model 27 .265" Trigger .357 Magnum Used n26n 0595") High-Speed Steel (HSS) drill

0595") High-Speed Steel (HSS) drill bit

Essential for fire control system

your revolver may be a pre-model K-22

Smith & Wesson Model 647 -

Allen mainspring strain lock screw

NB184 Smith & Wesson N Model 27 .265" Trigger .357 Magnum Used n26n 0595") High-Speed Steel (HSS) drillPart# NB184 Smith & Wesson Revolver N Model 27 . 265" Trigger . 357 Magnum Case Hardened Used Part Please call or email with any questions! How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need