JB301E Smith & Wesson J Frame Pre Model 30 Thumbpiece & Screw Used .38 Special Airweight Model # SW999

Model #  SW999

and proper ignition

Pinned red ramp front sight for reliable sight retention

Ammo Silencers: Cardboard inserts keep rounds quiet and secure during transport

This essential component secures the extractor rod assembly to the barrel underlug

JB301E Smith & Wesson J Frame Pre Model 30 Thumbpiece & Screw Used .38 Special Airweight Model # SW999JB301E Smith & Wesson J Frame Pre Model 30 Trigger Used . 38 Special 5 Screw 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 with the serial # . If