Manson Precision Rimless Cartridge Headspace Gauge - 221 Remfireball/300 Aac Blackout No Go Ga Headspace Ga Steel

MANSON PRECISION RIMLESS CARTRIDGE HEADSPACE GAUGES The Manson Precision Rimless Cartridge Headspace Gauges enable gunsmiths and firearm enthusiasts to verify the headspace of rimless cartridges, ensuring firearms are safe to fire. Proper headspace is critical for reliable chambering, ignition, and extraction of cartridges, preventing potential malfunctions or safety hazards. These gauges are essential for chambering new barrels, performing routine maintenance, or evaluating used firearms. Key Features: Precision Machining: Each gauge is crafted from high-quality steel and machined to exact SAAMI specifications, ensuring accurate and reliable measurements. Caliber Mfg: Manson Precision