Thread: Scope Mounting 101

I have usually always used 2 part epoxy under bases but my last rail on a Barnard I tried Loctite 660 Quick Metal. I have just had reason to replace that rail with another and when I removed it the fill looked vg. Have found JB Weld vg also. The Yanks love that stuff.

I usually put the bog on and then just nip the base screws down, just. Once bog/filler has cured I remove the screws one at a time, small dab of Loctite 243, and then torque to desired torque.

I torque the cross bolts but not the ring caps. I only use bushed rings if possible (Sako or Burris) and do them up by "feel". Never had any issues.
All non bushed rings I lap. Have found somereal horror stories with some rings even the so called better quality ones. Ring alignment before lapping sometimes improved by swapping front to back or even rotating 180 degrees.

I use an adjustable wrench and a Warne breakaway t bar.

Many years ago I was in a party up the Rangatata and a guy in the team had one of his bases come loose with total loss of zero and some disappointing misses. Disaster in that situation and also criminal that he let it happen.