Brownells OD-12 Light-Duty "Over Pin" Kit

Premium-grade coil springs are precision-wound with controlled tension to ensure smooth operation without binding during compression. Over-Pin springs are specifically engineered to function seamlessly over gun pins and plungers. Over-Pin kits include 12 coil springs in 7 different sizes, designed and dimensioned to operate without binding over pins ranging from 3/32 inches (2.4mm) to 3/16 inches (4.7mm). Each spring measures 12 inches (30.5 cm) in length. Kit #1, OD-12, is intended for light-duty applications. High-tensile spring wire