Lyman pro headspace gauges offer unmatched accuracy and durability, setting the standard for precision in the reloading industry. Constructed from corrosion-resistant stainless steel, these gauges are built for a lifetime of rust-free use. Featuring flat sides to eliminate rolling and O-rings for a secure, non-slip grip, they provide superior functionality. Designed to measure both maximum and minimum cartridge headspace, along with maximum case length, Lyman pro headspace gauges are essential for any reloader working with bottle neck cartridges. Whether you're adjusting sizing dies or ensuring optimal performance, these gauges offer the precision you need for every reload.

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