New Sako S20 Hybrid Rifle with Interchangeable Stocks

Sako has a new S20 line of “hybrid” rifles. These feature an internal aluminum chassis, adjustable trigger, and integral Picatinny rail on top. Users can change fore-ends and rear sections to suit different disciplines. Use the rifle for a PRS match one weekend and hunt with it the next. Sako states: “The user will be able to switch between the stocks and fore-ends quickly and easily and can change the rifle from a tactical to a hunting rifle or vice versa in a matter of minutes with no need to re-zero optics after assembly. The stocks can be taken down easily by loosening up two screws between the rear stock and fore-end.” Both 20″ and 24″ barrel versions will be offered, with a wide variety of chamberings: .243 Win, 6.5 Creedmoor, 6.5 PRC, .270 Win, 7mm Rem Mag, .308 Win, .30-06 Sprg, .300 Win Mag.

Unboxing Video of New S20 with Thumbhole Hunter Stock
This S20 “first look” video was created by the UK Fieldsports channel. The reviewer was impressed with the S20’s interchangeable stock system: “The modularity allows the rifle to be configured to the shooter’s preferences with different rear stocks and fore-ends. At launch, Sako introduced both the tactical precision stock and the ergonomic hunting stock, the latter being an improved version of a traditional thumbhole stock more like a pistol grip. Switching between rear stocks is fast and easy, virtually changing the rifle from a target rifle to a hunting rifle, or vice versa, with the correct grip, in a matter of minutes.”

The S20’s aluminum chassis is covered by a strong but comfortable outer shell material that Sako calls H.I.R. – High Impact Resistant. The same H.I.R. material is used on car dashboards. The outer shell is currently offered in two styles — a thumbhole hunter (photo below) and a more tactical style with straight toe and conventional grip.

The Picatinny rail is machined directly on the receiver. The S20 action features a 3-lug bolt with 60° bolt throw. Sako says the “high locking-lug surface area increases both safety and performance.” The full length of the action mates with a matching V-bed in the aluminum chassis.

Full Adjustability — Even Trigger Position
Adjustable ergonomics are a big part of the S20 design. The multi-adjustable trigger (available in both single-stage and two-stage variants) can be moved backwards or forwards to better fit different hand sizes. An adjustable cheek piece and LOP spacers help provide a proper fit.

M-Lok System Allows Easy Mounting of Accessories
The new Sako S20 can accept a wide range of accessories, attached via aluminum M-LOK placements. Sako-made accessories include Rear Mono-Pod, Barricade Stop, and Thumbrest. And yes Sako threads the muzzles 5/8×24 for use with brakes and suppressors. This video shows how accessories mount:

The Sako S20 features a full aluminum chassis under a comfortable composite exterior. Watch this video to see how the S20’s barreled action fits in the chassis.

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Tags: Hybrid Sako Rifle, M-LOK, PRS Sako, S20 Aluminum Chassis, S20 Rifle, Sako S20