Hi paal
The rifle was built by Dave Tooley
http://www.tooleyrifles.com/
it was built on a Bat action the action is 2 in in diameter and 10 in long.
The barrel is a Lilja 1.450 to 1.20 and 34 in long and a
muzzle brake that ads 2 in to the barrel
The scope base is maid by Dave with 4 adjustments 20 MOA on the lowest setting and adjusts 15 MOA increments with a total or 80 MOA plus the scopes adjustment
The scope is a 8x32x56 Nightforce in Kelbley rings
The stock is a McMillan 50 cal stock Big Max that has been modified
The rifle weight is around 40 lbs
I shoot it off a portable bench with a front rest and rear bag