This pouch is compatible with all standard fixed buttstocks, most rifle magazines and most collapsible stock designs. The adjustable lid accommodates 20-round or 30-round magazines. • Constructed of lightweight 500 denier Kodra® ripstop• Compatible with all standard fixed buttstocks, most rifle magazines and most collapsible stock designs• Adjustable lid accommodates 20-round or 30-round magazines• Elastic forward-slip protection strap on back• Adjustable straps for secure hold• Dimensions: 3”L x 4.125”W x 1”D• Weight: 3.3 oz.