Smith & Wesson Model 4006 4046 .40 S&W Recoil Spring Guide Rod Model 1911 the 15 LB spring is

the 15 LB spring is an excellent choice for carry use

The cylinder stop must engage at exactly the right moment during trigger pull and hammer fall to ensure the chamber is perfectly aligned with the barrel and firing pin

fully functional

Part: Trigger

this genuine factory hammer assembly ensures proper function and reliability

Smith & Wesson Model 4006 4046 .40 S&W Recoil Spring Guide Rod Model 1911 the 15 LB spring isSmith & Wesson Model 4006 4046 Recoil Spring Guide Rod Part# 903370000 Compatible Models: 4006, 4046 (. 40 S&W) This listing is for the recoil spring guide rod only. Compatibility Smith & Wesson Model 4006 (. 40 S&W) Smith & Wesson Model 4046 (. 40 S&W, DAO) Condition Factory New. Genuine OEM Smith & Wesson part manufactured to exact factory specifications. Installation Note Professional gunsmith installation is recommended for proper fit and function.