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Sako S20 Precision 300 Win Mag| Buy .300 Win Mag Precision Rifle South Africa | 24″ Fluted Barrel | 5/8×24 | Modular Chassis

The Sako S20 Precision in .300 Winchester Magnum is Finland’s answer to the modern precision hunting and long-range rifle — a modular chassis platform with a cold hammer-forged, fluted, Cerakoted stainless 24″ barrel threaded 5/8×24, a machined Picatinny rail, fully adjustable trigger, adjustable length of pull and comb height, M-Lok fore-end, and the ability to convert between Precision and Hunter configurations using the same core action. For South African hunters and long-range shooters looking to buy a .300 Win Mag precision rifle, the Sako S20 Precision delivers Finnish engineering precision in a platform built for serious field and long-range use.

Note: Purchase of firearms in South Africa requires a valid firearms licence and compliance with the Firearms Control Act. This firearm is sold subject to applicable South African legal requirements.

Why South African Hunters and Long-Range Shooters Choose the Sako S20 Precision in .300 Win Mag

.300 Winchester Magnum | The Premier Long-Range Hunting Cartridge
The .300 Winchester Magnum is the cartridge of choice for South African hunters who need genuine long-range capability on plains game, mountain game, and large plains game at extended distances across the Karoo, Limpopo, and the Eastern Cape. Driving a 180-grain bullet at over 3,000 fps with 3,600 ft-lbs of muzzle energy, the .300 Win Mag extends the effective ethical hunting range beyond what standard calibres can achieve while retaining the flat trajectory and wind resistance of a large magnum cartridge. The Sako S20 Precision’s 24″ barrel maximises the .300 Win Mag’s velocity potential while keeping the rifle manageable in length.

Cold Hammer-Forged Fluted Stainless Barrel | 24″, 5/8×24 Threaded
The Sako S20 Precision barrel is cold hammer-forged stainless steel with a fluted profile and a knurled protective thread cap over the 5/8×24 TPI muzzle thread. Cold hammer forging produces a barrel with superior bore consistency, surface hardness, and longevity compared to button-rifled or cut-rifled alternatives. The fluted profile reduces barrel weight without sacrificing stiffness and improves barrel cool-down time between shots — critical for a magnum cartridge that generates significant bore heat during a hunting session. The 5/8×24 thread accepts suppressors, muzzle brakes, and muzzle devices including the Freyr and Devik front mount silencer range and the MDT Comp Brake.

Modular Chassis System | Precision and Hunter Configurations from One Action
The defining feature of the Sako S20 platform is its modular chassis — the first true hybrid rifle designed for passionate sport shooters who want to take and stay in control in every situation, with a modular structure that adapts to changing shooting configurations making the S20 a truly future-proof bolt action rifle. The Precision fore-end is wider and boxier for bag riding and bipod use, featuring three M-Lok slots along the bottom front, an additional slot closer to the magazine well, and two on each side for mounting accessories. The precision rear stock has an M-Lok slot on the bottom for a monopod, along with a recoil pad adjustable for both length of pull and height.

Fully Adjustable Trigger | Pull Weight and Position
The trigger of the S20 is adjustable for pull weight and for position within the trigger guard (plus or minus 7mm) to ensure an absolute perfect length of pull for the shooter. The Sako factory trigger on the S20 is widely reviewed as one of the best factory triggers in the precision rifle category — consistent, crisp, and adjustable to each shooter’s preference without aftermarket replacement.

Stainless Action with Picatinny Rail | Grey Cerakote Finish
The Sako S20’s stainless steel action features a 3-lug push feed bolt with plunger ejection for maximised reliability. The Cerakoted receiver features a machined Picatinny rail for easy scope mounting. The grey Cerakote finish covers both the stainless barrel and action, providing corrosion resistance and a consistent appearance across all metal components in South Africa’s variable field conditions.

3-Round Magnum Magazine | 7-Round Optional
The Sako S20 Precision .300 Win Mag ships with one 3-round magnum polymer magazine. A 7-round extended magazine is available separately for range use and training. The magazine features a 3.608″ length accommodation and uses the same long action across all S20 calibres, with spacers for shorter cartridges. Manufactured in Finland by Sako.

Sako S20 Precision .300 Win Mag Full Specifications

• Brand: Sako
• Model: S20 Precision
• SKU: S143 / JRS20P331
• Calibre: .300 Winchester Magnum
• Action: Bolt action, 3-lug push feed, 60 degree bolt lift
• Barrel Length: 24 inches (610mm)
• Barrel Profile: Fluted, cold hammer-forged stainless steel
• Barrel Finish: Grey Cerakote
• Muzzle Thread: 5/8×24 TPI (with protective cap)
• Overall Length: 45 to 45.5 inches (adjustable)
• Weight (with magazine): Approximately 8.38 to 8.6 lbs (3.8 to 3.9 kg)
• Length of Pull: 13.75 to 14.25 inches (adjustable)
• Action Finish: Grey Cerakote stainless
• Rail: Machined Picatinny (integral)
• Trigger: Adjustable pull weight and position (plus or minus 7mm)
• Stock: S20 Precision modular chassis, adjustable comb and LOP
• Fore-End: Wide precision profile, M-Lok slots
• Magazine: 3-round polymer (magnum), 7-round optional
• M-Lok Slots: Bottom front (3), magazine well (1), sides (2 per side), monopod slot (bottom rear)
• Origin: Finland
• Ideal For: Long-range hunting, plains game, mountain game, precision shooting, suppressed builds