for a black Friday $299 dollar device, I drop tested the SWFA 3 times onto the ground scope first in an 8 pound rifle held in an LT-104 and then shot it into the black at 100. The optics and eye box do indeed leave a lot to be desired on the swfa 1-4 but the mechanics are really very good. I chased glass for about 10 years but gave up on this. Wish a decent thermal was not $5,000.00, I am stuck at "wicked light" prices.
