Brownells #3 "Over Pin" Master Kit

The coil springs are of the highest quality, featuring controlled-tension winding to ensure smooth operation without binding during compression. The Over-Pin springs are specifically engineered to operate over gun pins and plungers. The Over-Pin master kit includes both kit #1 OD-12 and kit #2 OD-12, providing a total of 14 coil springs designed for over-pin applications. High-tensile spring wire