You can shoot a crossbow without a retention spring. Many people prefer to do so because it makes the crossbow lighter and easier to handle. Additionally, it eliminates the need for regular maintenance of the retention spring. If you shoot a crossbow without a retention spring, use a safety strap or other device to keep the string from snapping back and hitting you. Additionally, always use a crossbow case or quiver when carrying your crossbow to protect yourself and others from it. Pros of shooting a crossbow without a retention spring: Lighter crossbow Easier to handle No need for regular maintenance Cons of shooting a crossbow without a retention spring: Must use a safety strap or other device Always use a crossbow case or quiver for safety If you are unsure whether to shoot a crossbow without a retention spring, always avoid caution and consult with an expert. If you are new to crossbows, using it without a retention spring might not be the best idea. It is because if the string snapped back, it could injure you.