[sourpatch45]

it may not be the est solution but im 99% sure that you could use the barrel from a 5" in your 4" slide. it would look funny and you woulnd have the long sight radius but you would have the 5" barrel.

but selling the 4" and buying the 5" would not be a bad idea since the slides can be swapsed between the two frames. so you could have 4 different setups with only having two guns