30-06 SPRINGFIELD GO GAUGE $36.73 G03006SPR - Shooting Surplus Manson Precision Rimless Cartridge Headspace Gauge - 30-06 Springfield Family Go Gauge Headspace Gauge Steel $60.00 G030-06SPR - Brownells 30-06 SPRINGFIELD FAMILY GO GAUGE $61.92 G03006SPR - Shooting Surplus