Smith & Wesson Recoil Spring Assembly
For M&P Shield 9mm & 40 S&W Only
Factory Original Replacement Part From Smith & Wesson
**Please note not all parts are "drop in". As with all gun parts some installations may require disassembly and reassembly. Some parts may require fitting and some may require installation by a qualified gunsmith. We recommend that any installation, repair or fitting be done by a qualified gunsmith.