Forster #458 Standard Neck Reamer

The neck reamer is compatible with original, classic and power case trimmers. Constructed from high-grade, wear-resistant tool steel, the Forster neck reamer features standard dimensions that are ground to be 0.0025 to 0.003 larger than the maximum bullet diameter. Its staggered tooth design ensures smooth cutting of brass without chattering. Excessively thick case necks can lead to elevated chamber pressures and erratic bullet trajectories. The Forster neck reamer is installed in the cutter of