Originally Posted by fredj338

You did the right thing. 44mag throats that small are just NOT going to do well with cast bullets, unless the groove dia is that small, & that is often NOT the case. The few guns that I have w/ tight throats got opened up & accuracy was improved as well as reducing early leading. Since none of my revolvers see jacketed bullets, proper bullet fit is very important.
BTW, you do NOT need a "professional" to measure anything. Get some pin gages or ID micro. Slug the bbl &/or the throats if you do not want to invest in measuring equip other than calipers.