The caliber specific, tube fed RCBS Pistol Bullet Feeder .40S&W/0MM 82357 has been created to be used in conjunction with any 7/8"-4 threaded progressive press. Each of these Bullet Feeder Tubes from RCBS holds 20-25 bullets depending on weight and profile. The RCBS Tube PBF Bullet Reloader 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. The RCBS .40S&W/0MM PBF Bullet Reloader Tube allows you to increase load output up to 50%. Includes: Feed die, bullet finger, bullet guide, two feed tubes and four tube caps. Extra bullet tube sold separately. RCBS Limited Lifetime Warranty.