Selectinq the Correct Invector Plus Tube

The Invector-Plus choke system is fully compatible with factory lead or steel shot loads. The conversion chart includes both lead and steel shot information. Lead and steel shot perform differently in tubes with the same choke constriction. For this reason, both lead and steel designations have proven necessary. In fact, even larger steel shot diameters result in different patterns than smaller steel shot sizes. Each designation is inscribed on each choke tube. To help you choose the correct...