Update.
Solved the problem.
It took a brass shim under the strain screw and an extended firing pin.
Gun is running well now. About 300 rds fired all D/A.
Sighted it in today.
Still it is unacceptable for a brand new gun to give this much trouble.
Solved the problem.
It took a brass shim under the strain screw and an extended firing pin.
Gun is running well now. About 300 rds fired all D/A.
Sighted it in today.
Still it is unacceptable for a brand new gun to give this much trouble.