and filing on the sight ladder is not in keeping with the spirit of the Games....
First you don't file on the ladder, you file on the bottom of the sight.
Its no different then shortening the front sight or changing front sight post on the 1903's.
Or going to a wider sight on the 1903s (since the Marines modified the front sight to .07 which is about the same width as the Garand.
It was common for soldiers to shorten the sight on the Carbine, but its still the orginal sight.
You are adjusting the orginal sights, not repacing them such as putting a Lyman target sight on a Springfield.
The CMP monitors the rules keeping them with the spirit of the vintage rifles.