The McMillan CS5 (Concealable Subsonic/Supersonic Suppressed Sniper System) is a bolt action Sniper Rifle. Manufactured by McMillan Firearms. It is designed as a compact and concealable precision tactical rifle in urban and tactical settings. It is chambered for the 7.62x51mm NATO cartridge. it has Detachable bipod and Anschütte® Trigger.