Turn any progressive press into an ?ammunition factory? with the easy to use Hornady Lock-N-Load Bullet Tubes. Coupled with a Hornady Bullet Feeder die (sold separately) Lock-N-Load Bullet Tubes provide hand loaders a fast flexible system that increases loading speed on any compatible progressive reloading press with 7/8-14 thread die-stations. With the Lock-N-Load Bullet Tubes the hand loader can simply pre-load the tubes with bullets and place the tube in the top of their bullet feeder die. Tubes can fit 40+ bullets depending on caliber and weight and feature a milled window for visual bullet level inspection. Lock-N-Load Bullet Tubes are sold in packs of 3 tubes per caliber. Available for 9mm 40cal/10mm & 45cal. Lock-N-Load Bullet Tube feed bullets into existing Hornady bullet feeder dies Tubes come in 3-packs and each can fit 40+ bullets depending on caliber and weight Eliminates the need for a bullet feeder hopper Milled window in tube shows when it is almost empty Suitable for any progressive press with 7/8-14 thread die-stations Available in 9mm 40cal/10mm & 45cal