Sinclair Electronic Indicator (.001") Cartridge_7.7 X 58 Japanese 300 AAC Blackout cartridge designed

300 AAC Blackout cartridge designed for the AR platform

Warm 48% new Merino wool and insulating Thermolite

This ammunition is new production

All dies have a large entry taper/radius for easy case entry and high production

Suitable for: 350 Remington Magnum

Sinclair Electronic Indicator (.001") Cartridge_7.7 X 58 Japanese 300 AAC Blackout cartridge designedThis Electronic digital indicator features absolute and incremental reading, one touch zero and more. This unit will work with any of our tools that utilise a dial indicator, including the Sinclair Concentricity Gauge, Case Neck Thickness Sorting Tools and any other tool requiring the use of a similar indicator. Additional options included: Lug back