Are the better than Butler Creek, well yes. Hinges are way better which is where he others always seem To break, plastic is of better quality, better engineered. Are the worth more than 3 times as much? After losing an objective just like I have lost the BCs models NO.
In general, I like the plastic models better as the yield a little protection over say the metal/aluminum ones but again not for the price.
and yes I have a pair (or one now anyway)