I have both and I thought the same thing that the 220 would be shorter but its not. I didn't put the calipers on them but the 220 is longer. The reasoning is I think the 220 has a more hybrid design that wont be as sensitive to seating depth and you can load them to mag length with good...
If im correct all the short mags are off the same case design so any shortmag brass will work. I don't get why people say that they are building a 7-300wsm its the same as a 7 wsm just neck sized the 300wsm mag brass to accept .284
I have a 700 factory 300 Win with the factory detachable box magazine. I am using the gun to build a 7-300win. I want a new stock for the build but want to keep the detachable box magazine. The barrel is going to be a shilen 5 contour select match 28". I am having troubles finding stocks with...