Lyman Case Head Space Gauge - .308 Winchester

The Lyman Case Head Space Gauge for .308 Winchester is a precision reloading tool designed for shooters and reloaders who demand consistency in ammunition preparation. Whether you're a tactical professional, competitive marksman, or serious handloader, headspace control is non-negotiable—undersized or oversized cases lead to unreliable feeding, dangerous pressure spikes, or premature firing pin wear. This gauge delivers the accuracy needed to reject cases that fall outside specifications before they reach the loading bench.

Operation is straightforward: simply insert each case into the gauge to verify it stays within maximum and minimum allowable headspace tolerances. The gauge physically identifies cases that exceed specifications or fall short, eliminating guesswork and protecting both your firearm and your safety. Built by Lyman—a name synonymous with reloading reliability for decades—this tool features precision machining to hold tight dimensional tolerances. At 0.3 lbs and compact 2.75 x 1.3 x 5.65-inch dimensions, it integrates seamlessly into any reloading station without consuming workspace.

Law enforcement armorers, military-trained reloaders, and precision rifle competitors rely on headspace gauges to maintain ammunition quality across high-volume or critical applications. This Lyman gauge is specifically calibrated for .308 Winchester (7.62 NATO), making it essential for anyone reloading this versatile intermediate cartridge. Proper headspace control ensures that once-fired brass can be safely reused, extending the life of your ammunition investment while maintaining the reliability your duty or competition demands.