The Sako S20 is a versatile rifle designed for hunting and precision shooting. Its modular design enables customization of the stock to suit individual preferences. The S20 Precision model comes with a Precision stock pre-installed, while a separate Hunting stock is also available.

Other features of the Sako S20 include a cold hammer forged barrel, a cartridge magazine, a full aluminum chassis, adjustable length of pull, a multi-adjustable trigger, and a comprehensive V-shaped aluminum bedding system.