Just got my 8 twist shilen 22-250. I have been shooting 80gr a-max's and berger vld's with 36.8gr of h-4350, headspaced off dies and checked with a no go gage. I can full length then shoot, neck size is tight but it will chamber, shoot and neck size again and if I really wanted to I could chamber the round but it is very very difficult. It's not the neck being to big(tried the marker on the neck) and not the length (tried trimming) Anyone have any thoughts on this?