What are your wanting out of it? , its gonna be faster yess but it burning alot more powder.
if your just looking for a little more speed with the heavier bullets then sure go for it. hell have the barrel set back say a 1/4" then rechamberd with a min spec reamer and your accuracy should increase also,if its done properly. remember all those Rem Sendero's have 26" barrels and look at what kind of velocits they get