Mossberg 37209: These Mossberg Flat Top Tactical 22 provide the look, feel and excitement of the AR platform, built around their proven and dependable 22 long rifle autoloader. Featuring an 16.25\" blued barrel with a 1:16\" RH twist and removeable muzzle brake. The magazine is detachable and has a capacity of 10 or 25 rounds. The 25 round models comes with an accessory magazine loading cap. The stocks are available in fixed or adjustable. The adjustable model will adjust nearly 4\" to accommodate smaller frame shooters. All models feature a Picatinny quad rail forend for customizing your rifle with an endless array of available tactical accessories.