Atlas Gunworks 15% Overpowered Magazine Spring Fits 1911

After extensive efforts to identify a dependable lock back solution for the double-stack platform, we have successfully achieved our goal. The Atlas Gunworks overpowered spring, when used in combination with the Atlas Lockbak follower and a lock back slide stop, provides an optimal solution. These springs are specifically engineered to fit 120mm and 126mm configurations and are exclusively compatible with Lock back followers. Magazines designed for 120mm and 126mm dimensions