Selected by the U.S. Armed Forces after passing the rigors of Mil-Spec qualification, the 590A1 is the duty weapon of choice for military and law enforcement agencies worldwide. The 590A1 Magpul Security comes with a Magpul forend and highly adjustable MOE stock. The stock has 4 length of pull spacers that can adjust the stock from 12.25"-14.25" LOP and an included .25" cheek riser. The Ghost ring sights are easy to see and the cylinder bore is perfect for short distance self protection.Features20" Heavy Wall BarrelParkarized FinishHighly adjustable, MOE stock