Originally Posted by 1minute
10/22 or 77/22 Mags. Either work fine in my 77. Does anyone here have a 77 that is threaded to the receiver as opposed to the wedged in block for barrel seating? Heard they were going that way a couple years back but not seen one.


I have a 77/22 with the barrel threaded into the receiver........

My 10/22 or 77/22 mags work good in either rifle......

The bottom contour seems to be the difference....