284 Winchester Finisher Reamer – .317" Neck | 0 Freebore

Precision-ground for gunsmiths and competitive shooters, this .284 Winchester Finisher Chamber Reamer is designed to produce a precise, match-grade chamber with a .317" neck diameter and 0" freebore configuration. The zero freebore design positions bullets closer to the rifling, making it ideal for shooters seeking maximum consistency and optimized performance with shorter-ogive bullet selections.

Manufactured from premium tool steel and precision-machined to exacting tolerances, this reamer is suitable for chambering new barrels or performing precision barrel work on existing rifles. The .317" neck provides adequate clearance for properly prepared brass while maintaining excellent concentricity and chamber alignment.