This caliber-specific Pistol Bullet feeder is designed to be used with any .875 -14 threaded progressive press. Each clear tube holds 20-25 bullets depending on weight and profile. The Tube PBF places the bullet into the case mouth, for proper alignment, to be seated at the next station. Another added benefit is that it can be used with jacketed, plated, cast or swaged lead bullets. Two bullet tubes are included with each unit, extra bullet tubes sold separately.