Quote Originally Posted by dukeflr
Would the 243 SH follower be better than the 223? If I purchased the 223 follower and placed it in the 243 mag box, wouldn't the follower have a large gap at the rear?

Thanks
Yes, jpdown is right, you would need a 243 sized S.H. follower to use in your mag box you have now. The 223 version would leave a gap. If the Fred Sled is that easy to fit then it looks like you could go either route and be fine.