204 Ruger Bo Case Length-headspace Gauge Other Dishes - Primary Edge: 2 1/4"

- Primary Edge: 2 1/4"

All Smith & Wesson and M&P gun cases and bags are designed with quality and durability in mind

- Overall Length (Lens-Tip): 160mm

Smith & Wesson M&P

204 Ruger Bo Case Length-headspace Gauge Other Dishes - Primary Edge: 2 1/4"Rifle Case Length Headspace Gauges To achieve the highest degree of safety and accuracy, Lyman recommends that all bottleneck rifle cases be inspected after resizing to ensure that the proper headspace dimension is maintained. The best way to check this critical dimension is with a Lyman case length headspace gauge. The reloader simply inserts the case into the gauge to insure that it does not exceed the maximum or fall below the minimum allowable