Smith & Wesson J Frame Model 30 Stirrup Spring Swivel Old Style - Used J331U The lever housing block assembly

The lever housing block assembly houses critical fire control components and provides structural support for the trigger mechanism

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469-2 Smith & Wesson Pistol Model 469 Used Hammer & Stirrup 9mm

This spring kit fits the following Smith & Wesson revolver frames:

Smith & Wesson J Frame Model 30 Stirrup Spring Swivel Old Style - Used J331U The lever housing block assemblyThis listing is for a used Smith & Wesson J Frame Model 30 stirrup spring swivel Old Style. Factory OEM part sold as is. The stirrup spring swivel is a critical component of the J Frame cylinder latch assembly, working with the stirrup and thumbpiece to allow the cylinder to swing out for loading and unloading. This is the Old Style version (part JB3006A) distinct from the New Style (JB3006) and is correct for earlier production Model 30 revolvers. An