The Strike Industries Strike Industries SI-FSA-SP-STOCK FSA Polymer Stock with Picatinny Mount provides unmatched versatility for contemporary firearms. This cutting-edge folding stock is designed for efficiency and user-friendly functionality, making it a perfect accessory for any shooting setup. Adjustable Polymer Stock with Picatinny mount for versatility. Side button release allows swift single-sided folding. Rapid length-of-pull adjustments for customizable shooter fit. Durable fiber reinforced Polymer Extreme combines strength and light weight. Ergonomically designed rubber butt pad for increased comfort. Elevate your firearm's performance with the advanced design of the Strike Industries Polymer FSA Stock.