Universal Case Feed magazine Features: 5 feed tubes Increases production rate and has been optimized for bottleneck cartridges. Built-in case gate prevents tipped cases. No adjustments, simply swap feed tube for different case length. Consider Lee's Universal Case Collator to rapidly refill your tubes. Automates the case feeding operation on the APP, Deluxe APP, Pro 1000, Pro 4000 Kit | Auto Breech Lock Pro, Load-Master, and Six Pack Pro presses. The Universal Case Feed is compatible with the Six Pack Pro, Pro4000, and Pro1000 with spring activated case slider. Older iterations of the Pro1000 and Loadmaster should use 90242. Mfg: Lee Precision