GG&G xds bipod, new condition with some very minor surface rust on a couple of the screws. ( not sure why some do and some dont) $150 shipped or may trade for different bipod
I just have sticky notes on the wall and literally put dots on them as small as I could with a marker. I have 3 size dots at three levels, one for prone, one for middle height positional, and one for standing. I start with the largest dot and as my dry fire session goes on my wobble zone seems...
I think it is different for everyone. Based on your skill level is how I would choose the size. If your shooting off barricades at a 10 inch plate at 500 and never hit it your just wasting ammo. Start big and work your way down as your skill set improves.