There are fewer reloading topics more disputed than the proper use of Tempilaq during the annealing process. A simple Google or YouTube search returns multiple processes, many from very reputable sources, on annealing with Tempilaq. All seem to claim their process works perfect for them though...
Looks great, but…
Looks like your front is backwards and will cause stress on your tube based on the 25MOA cant being reversed. Or maybe they started canting the front opposite of all mine? If so disregard…
You’ll be fine with the V4 in low Hybrids on your SA. With the SA you’ll have some latitude, much less with a LA based on the V4’s short mounting length.