M1 Garand Gas Piston Gauge, No-GO

The M1 Garand Op Rod Go/No-Go Drop Gauge is an essential tool for quickly and accurately testing the fit of your Op Rod piston. Designed for simplicity and efficiency, this gauge helps identify pistons that are out of spec with a diameter less than .525. Crafted from durable CNC-machined steel, the M1 Garand Op Rod Drop Gauge is built to last and provides precise measurements, ensuring optimal firearm performance. Made in the USA, it’s a must-have for gun enthusiasts, collectors, and military rifle owners who demand the highest quality.