Sinclair stainless steel 30- degree Bump Gage for .17 Fireball, .22/6mm PPC & BR, .204 Ruger.
Used to measure the amount of shoulder bump when setting up sizing die. Bump gage is the most accurate when used on the
granite surface plate of our Ultimate Cartridge Check System. Recommended bump of .001 to .002 shoulder setback for bolt actin guns and .005 for Semi-Auto and other repeating actions. SATISFACTION GUARANTEE~ The products we offer are guaranteed to perform exactly as advertised. Purchase any of our products, examine for up to 14 days. If you are not satisfied for any reason return items prepaid, free of damage, for a full refund. less return shipping. Sinclair No. 749-011-484