Sinclair International ( Brownells) Hex Style Bullet Comparator #2

The Stainless Steel Sinclair Bullet Comparators are cut with throating reamers to accurately duplicate the actual throat of a rifle. The comparator is used in conjunction with calipers. This allows for precise measurements of ogive to cartridge case base readings. #2 covers: 17 Caliber (.172), 20 Caliber (.204), 22 Caliber (.223-.224), 270/6.8 mm (.277), 30 Caliber (.308), 338 Caliber (.338)