by Hoot » Wed Oct 31, 2018 1:49 pm
Skiparock wrote:I have a Rock River .458 SOCOM complete upper on a R-Guns standard lower that I built a few years back. I would like to know if I can I use the bolt from the .458 in a new .450 Bushmaster upper build?
Welcome Aboard!
If I'm not mistaken, all you need to do is swap the barrel and possibly the gas block & tube on that 458S rig. The latter would depend upon whether the 450b barrel you're buying has the same length gas system and block ID, as your 458S.
Hoot
In Theory, there is no difference between theory and practice. In Practice, there is.