Universal cartridge holder for lever action and bolt action firearms Used as a quiver, match saver, shell holder Compatible with shells from 5.7mm up to 45-70 M-LOK Compatible Indexing points for a secured fit horizontally or vertically in M-LOK slot. Memory resistant polymer for a lightweight and secure fit.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }