All the weight has been added along the center line of the pistol on the dust cover so the balance is excellent. The added weight is a great way to reduce muzzle flip and felt recoil without adding the extra length and expense of a compensator. Here's another Monolith model with still more weight added - a full 3.5 oz. over and above the weight of our popular Premier IIŠ. All the weight has been added along the center line of the pistol on the dust cover so the balance is excellent. The added weight is a great way to reduce muzzle flip and felt recoil without adding the extra length and expense of a compensator. Features are exactly the same as the Monolith with the addition of the heavier frame. We guarantee 3" groups at 50 yards. (2) 8-round premium magazines. Caliber: 45 ACP; Also available in supported chamber: 9mm or .38 Super. Ask about our special 11/2" guarantee.