Check the listing for details. Stainless Steel Guide Rod For Smith Wesson M&P FULL SIZE Coated Rod Button Tip. Condition: New. Listed at 18.95 USD. DESCRIPTION FITS FULL SIZE MODELS- 1.0 9mm / 40S&W / 357sig / 9L / 9Pro / 40L / 40Pro & 2.0 9mm / 40S&W ONLY DOES NOT FIT THE SHIELD OR COMPACT OR SD40VE/SD9VE CHOOSE COLOR AND SPRING SIZE FROM THE DROP DOWN MENU. COLORS- BLACK- CerakoteSTAINLESS STEELTiN/GOLD- Titanium Nitride Coated BUTTON SCREW TIPThe GoTo GEAR Stainless Steel Guide Rod Assembly is a complete drop in unit. Special features include a solid one piece stainless steel guide rod precision CNC machined to accept a removable 3/32 Allen button head tip. The ISMI recoil spring is manufactured of certified materials, heat treated for longer life, shot peened for stress relief and finally calibrated to S&W factory specifications. The Spring includes a full 1 year replacement warranty that extends beyond just materials and workmanship. We even cover failure due to wear. These combined features make the GTG Guide Rod Assembly the most durable, longest lasting system available today. Experienced shooters realize plastic guide rods can chip, crack or break resulting in feeding or ejection failures and guide rod flex can contribute to accuracy problems. The GTG Guide Rod Assembly addresses all of these issues and will provide you a life time of reliable service. 100 % MADE IN USA RECOIL SPRING WEIGHT USAGE 12-15 LB SPRINGS ARE MOSTLY USED FOR COMPETITION SHOOTING, OR IF USING A RECOIL COMPENSATOR ON YOUR BARREL. LIGHTER WEIGHT RECOIL SPRINGS HAVE A FASTER RECOIL TIME AND ALLOWS THE SHOOTER TO STAY ON TARGET AND RE-ADJUST TO THE TARGET FASTER AND EASIER 12 - 15 LB RECOIL SPRINGS ARE REDUCED POWER AMMUNITION LOADS 16 LB RECOIL SPRING IS THE FACTORY WEIGHT RECOIL SPRING 17,19, 20, 22, 24 LB RECOIL SPRINGS ARE FOR HEAVY POWER AMMUNITION LOADS THE CORRECT LOADS ARE NECESSARY TO MAKE SURE YOU DO NOT HAVE CYCLING ISSUES. Disclaimer- "Smith and Wesson" is a federally registered trademark ofSMITH & WESSON INC. CORPORATION DELAWAREThe use of Smith & Wesson on this page is merely to advertise the sale of components for Smith & Wesson