Here is one in 300 Win Mag that as shown in the picture weighs 11.9 lbs.
The bolt and receiver bodies were first cryoed, then blue printed, and the bolt is sleeved and the firing pin hole bushed. An oversized aftermarket lug, and custom firing pin assembly were also used as was a Jewell trigger. A Farrell aluminum Picatinny rail and V-Tac aluminum rings hold the NightForce 12-42x56 scope.
The barrel is a Broughton 5C ® rifled 1/11" twist with a carbon fiber composite wrapping from Advanced Barrel Systems, and a Badger Ordnance FTE muzzle brake.
The stock is an AICS.