Introducing the Brownells 224/308 Case Mouth Gauge, a precision tool designed for measuring neck diameter with ease and accuracy. Engineered to handle 224 and 308/310 diameter brass, this gauge ensures optimal neck tension, preventing issues during projectile insertion. Ideal for reloading enthusiasts, this tool is perfect for use with cartridges like .223 Remington, 5.56mm NATO, and .308 Win. Brownells is renowned for its innovative and quality firearm accessories.

Key Features:
- Manufacturer: Brownells
- Model: 224/308 Case Mouth Gauge
- Product Type: Case Mouth Gauge
- Weight: 0.06 Pounds
- Unique Features: Measures neck diameter for 224 and 308/310 brass
- What's In The Box: Case Mouth Gauge