The aluminum ones do scar easier but they still last a long time. Some gun parts wear out and have to be replaced over time. Which is really every part on the gun. I’ve yet to wear out a magwell at all so I say go for it
We just had a class with Tim Herron last month. One day he touched us up on some movement stuff that Kita helped him with. I would take the class just to be opened up to a new thought process
Nope but any small rifle primer would work. I just use the 450s to help lower the SD. That load in my ballistic advantage barrel will shoot a little bug hole all day
Or you could change up the classic scenario of two targets stacked with a no shoot sandwiched in the middle of them and hard cover ever thing but the head on the shoot targets