Empire BT Rip Clip Loader New shell design with smaller, shorter profile Tool-less maintenance and cleaning Larger catch cup and added Freeway anti-jam for consistent reliable feeding, Sound and Eye Sensors for accurate feed initiation and automatic jam clearing Side-mount attachment system allows down-the-barrel sighting, Loader drive based on Vlocity technology for extraordinary performance Fits all BT-4 models, plus includesadapters for TM-7 and TM-15 markers, Accommodates the Empire Quick Load lid for different re-load options