Smith & Wesson Model 39-2 Back Insert (Part #3923) - Genuine OEM .38 M&P Fitting may be required by

Fitting may be required by a qualified gunsmith

Standard Weight Design: 11lb spring weight optimized for factory ammunition and reliable function

Smith & Wesson J Frame – Model 32 (Terrier)

Fits ribbed shotguns with removable front beads

Smith & Wesson Model 39-2 Back Insert (Part #3923) - Genuine OEM .38 M&P Fitting may be required bySmith & Wesson Model 39 2 Back Insert Genuine Factory OEM Part Part Number: 3923 Condition: Quality Inspected Used Finish: Black Why Choose This Genuine S&W Back Insert? Factory OEM Quality: Authentic Smith & Wesson part, not an aftermarket substitute Precision Fit Guaranteed: Exact factory specifications for Model 39 2 pistols Quality Inspected: Each used part thoroughly examined for function and integrity Critical Component: Essential for proper