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.Features:- 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 holdSpecifications:- Dimensions: 3 L x 4.125 W x 1 D- Weight: 3.3 oz- Stock: Standard Fixed- Color: Black