Forster - Custom Neck Reamer ground to specifc size Size:0.242 are a reliable solution to

are a reliable solution to shield your lenses

Another way is to measure your wall thickness and multiply by 2 and add bullet diameter

as when an adapter is used

They help your handloads realign with the chamber

5-21×44 FFP - DPRC-1 Rifle Scope

Forster - Custom Neck Reamer ground to specifc size Size:0.242 are a reliable solution toThick case necks can cause high chamber pressures and flyers. The Forster Neck Reamer mounts in the cutter of a Forster Case Trimmer in place of the pilot and removes the excess brass from the neck walls with tool steel blades. The Neck Reamer is manufactured from high grade, wear resistant tool steel and ground . 0025 to . 003 over the maximum bullet diameter. The staggered tooth design cuts the brass smoothly without chattering. Also keep in mind