Winchester Model 100

The Winchester Model 100 was a semi-automatic rifle manufactured by Winchester Repeating Arms Company. It was first introduced in 1961, and was manufactured until 1973. A total of approximately 262,838 were manufactured. Variants of the weapon are capable of firing a .308, .243, or .284 Winchester cartridge. The barrel is 22 in long. The rifle weighs 7.5 lbs.

Recall
In 1990, Winchester issued a recall for this rifle due to a tendency for the firing pin to fail, causing the gun to fire with the action not fully locked, leading to possible catastrophic failure and risk of severe injury or death to the shooter. Winchester offered to do repairs on the gun free of charge.