The CheyTac Intervention is an American bolt-action sniper rifle manufactured by CheyTac LLC, which can also be classified as an anti-materiel rifle. It is fed by a 7-round detachable single-stack magazine (an optional 5-round magazine is also available). It is specifically chambered in either .408 Chey Tac or .375 Chey Tac ammunition.
CheyTac LLC states that the system is capable of delivering sub-MOA accuracy at ranges of up to 2,500 yd (2,286 m), one of the longest ranges of all modern-day sniper rifles. It is based on the EDM Arms Windrunner.
Records
The Intervention holds the world record for best group at a distance, landing 3 bullets within 16.625 in (42.23 cm) at 2,321 yd (2,122 m) near Arco in Idaho.
On the Discovery Channel TV show Future Weapons April 9, 2007, episode "Massive Attack" the host Richard Machowicz, a former United States Navy SEAL, made 3 out of 6 shots, hitting a human-sized sheet of metal at a distance of 2,530 yd (2,313 m) at Arco Pass in Idaho.
In 2017 British news agencies reported a Special Air Service sniper hitting an ISIL sniper from 1.5 mi (2,414 m) using a CheyTac Intervention rifle.
Accuracy
CheyTac states that "the CheyTac LRRS is a solid anti-personnel system to 2,000 yd (1,829 m)." The primary intent of the .408 is as an extreme range anti-personnel system. Groups of 7 to 9 in (18 to 23 cm) at 1,000 yd (914 m), 10 in (25 cm) at 1,500 yd (1,372 m) and 15 in (38 cm) at 2,000 yd (1,829 m) have been consistently obtained.
Groups of 19 in (48 cm) at 2,100 yd (1,920 m) and 29 in (74 cm) at 2,400 yd (2,200 m) have also been obtained. All groups that are up to 3,000 yd (2,743 m) are less than 1 minute of angle for vertical dispersion.
Users
Czech Republic: Used by 601st Special Forces Group
Poland: Used by GROM operatives.
Turkey: Used by Maroon Berets operatives.
Italy: Used by the Italian army.
United Kingdom: Used by the SAS.
United States: Used by the United States Marines.