Sinclair International .264 Win Mag/.225 Winchester 25 deg Shoulder Bump Gauge Insert

Sinclair bump gauge inserts are expertly crafted tools designed to measure the shoulder bump when setting up full length sizing dies. These inserts are compatible with our comparator bodies, ensuring a seamless fit and precise measurement. Each gauge is meticulously machined to match the specific shoulder angles of various cartridges, providing a tailored solution for your reloading needs.