Quick Answer
The Marlin 336 has a known issue with the bolt stop pin that can cause the rifle to fire when dropped. This occurs when the bolt stop pin is not properly seated, allowing the bolt to move forward and discharge the rifle. Users have reported successful repairs by replacing the bolt stop pin.
Known Safety Issue Description
The bolt stop pin issue on the Marlin 336 was identified through various reports from users and experts. This problem primarily affects the Marlin 336 models produced between 1959 and 1999. The affected models include the 336, 336C, and 336SS. The issue occurs when the bolt stop pin is not properly secured, allowing the bolt to move forward and potentially cause an accidental discharge.
Causes of the Safety Issue
The safety issue is generally attributed to a faulty bolt stop pin or improper installation. Users have reported that the bolt stop pin can be easily removed or damaged, causing the bolt to move freely and increasing the risk of an accidental discharge. To repair the issue, users should replace the bolt stop pin with a new one, ensuring it is properly secured in place.
Prevention and Repair Techniques
To prevent the safety issue, users should ensure the bolt stop pin is properly installed and seated before using the rifle. Additionally, users should regularly inspect the bolt stop pin for signs of wear or damage. If the bolt stop pin is damaged or missing, users should replace it immediately. When replacing the bolt stop pin, users should use a new pin and secure it in place using a punch or a hammer to prevent it from becoming loose over time.
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