The Sako ARG () is a Finnish family of assault and battle rifles designed and manufactured by Sako.
Previously known as the K22 (), the ARG was designed along with the Finnish Defence Forces and the Swedish Armed Forces.
The ARG is based on the AR-10 and AR-15 design by Eugene Stoner but features a proprietary short-stroke gas piston system, similar to Heckler & Koch HK416 and other piston versions of AR-15-type assault rifles.
Assault rifle variant featuring short-stroke gas piston.
Variant featuring direct impingent operation.
Designated marksman rifle variant.
Finnish Defence Forces precision rifle variants.
Swedish Armed Forces variants.