Smith & Wesson J Frame Model 37 Airweight Cylinder .38 Special 2" Old Style Blued Used 8 round Smith & Wesson M&P Shield

Smith & Wesson M&P Shield Lever Housing Block Assembly

357 Magnum stainless revolver)

A lighter mainspring reduces trigger pull weight but may cause light primer strikes with hard primers

Installation: Gunsmith recommended

22 Long Rifle pistols

Smith & Wesson J Frame Model 37 Airweight Cylinder .38 Special 2" Old Style Blued Used 8 round Smith & Wesson M&P ShieldSmith & Wesson J Frame Model 37 Airweight Cylinder . 38 Special 2" Old Style Blued Used (Part# J372) This listing is for one used Smith & Wesson J Frame Model 37 Airweight cylinder in the old style configuration. This is an OEM factory part in used condition, removed from a functioning firearm. This cylinder is blued steel and fits Model 37 revolvers with 2" or shorter barrels. The cylinder houses the cartridge chambers and rotates to align each round