Maxim's cqb stock is built for comfort and durability.At its most collapsed position, this cqb stock only adds 5.35" to your ar15.At full extension, the maxim cqb stock is the length of an extended carbine stock.And with four total positions you can adjust for maximum comfort and multiple scenarios.Type: StockFirearm Type: AR PlatformFirearm Model: AR-15Material: AluminumFinish: Black Hardcoat Anodized