I have a BSA on a Ruger Mk3. It works well. It was a clearance special I picked up for $45. I figured if it was a total POS, I wasn't out much. I have been pleasantly surprised with it.
Still, on guns with actual recoil, I have a C-more & a Burris.
MSgt, USAF, Retired
NRA Life Member
The hardest thing to explain is the glaringly evident which everybody had decided not to see. - Ayn Rand