What is the main purpose of the recoil spring in a semi-automatic handgun?

The main purpose of the recoil spring in a semi-automatic handgun is to assist in loading a new round into the chamber. When a semi-automatic handgun is fired, the recoil moves the slide backward. The recoil spring's role is to then push the slide forward again after it has cycled, allowing the next round to be fed from the magazine into the chamber. This process is integral to the semi-automatic action, ensuring that the firearm can continuously cycle through multiple rounds with each pull of the trigger without manual intervention.

The recoil spring provides the necessary tension to return the slide to its original position after firing, facilitating smooth operation and reliability in cycling ammunition. This function is essential for the proper functioning of the firearm and contributes to its overall effectiveness in various shooting scenarios.