The regiment trains Guard jaegers for fighting military operations in urban terrain (MOUT).

The primary function of wartime units formed from the reservists trained by the regiment would be the defence of the capital Helsinki.

In addition, the regiment is the ceremonial unit of the Finnish Defence Forces, responsible for the Guard of Honour of the President of Finland.

In addition, the regiment is one of the most usual placements for the expatriate Finns and recently naturalized immigrants.

Suomalainen tarkk’ampujapataljoona, Swedish: Livgardets 3:e Finska Skarpskyttebataljon), which had from the year 1829 Young Guard and from the year 1878 onwards Old Guard status in the Imperial Russian Army, the Jaegers of the Finnish Civil War and the 2nd Jaeger Battalion from the Second World War.