RCBS .223 Remington/5.56x45mm Chamber/Case Length Gauge

Ensure the proper fit of your pistol ammunition with the RCBS Chamber/Cartridge Gauge. Featuring a 1-piece, non-adjustable design, this precision-made gauge checks all critical dimensions of your ammunition to ensure a perfect fit. Simply drop a loaded round into the gauge and if it fits, you can be confident it will chamber properly in your pistol. The gauge checks both chambering and cartridge length, providing you with peace of mind before you head to the range. Don't risk poorly fitting ammo