It is quite feasable that the 9" barrel could run with the .460. I bought a 460Rowland conversion. Works great. I ran my .45 Super with a non comp 6" barrel and a 24# spring. reflex264
"A quiet hit in the right place is better than a loud miss in the wrong place followed by 10 more shots on the run"
I was a handgun hunter, when handgun wasn't cool.....
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