I have winchester like yours in 243 I nocked the magazine block out filed the bolt stop back the same length as the block and put a muaser follower in it got a new barrel in 284 over all maggazine length is 3.2 inches work out great 6.5 284 you bet
A friend of mine picked up a colt sauer in 300 wm on a trade the stock was to short so we took it to MPI stocks in portland and he got the cevlar stock it looks great and shoots five shoots at under 3/4 inch nice job MPI