Stock has (4) #8-32 x ⅝ socket head machine screws at the rear. They can be lossend using a 9/64” to allow for adjustment of the butt plate angle, length of pull and tilt to fit the pocket of the shooter. When tightening the screws down be careful to not overtorque. Just tighten until the stock stays in position on the carbon fiber tube. Overtightening could cause the crushing of the tube or damage to the tube adapter.
The carbon fiber tube can be trimmed for a shorter length for shooters that require even a shorter length of pull. Wrap the tube in masking tape and place it in a miter box to cut it square with a wood