Mossberg Magazines/Clips

I am looking to trade my mag (1220) on the right for your mag on the left that fits my 142-A , Mossberg mag number R-632. The one on the right Is a Mossberg number 1220 that should fit the Mossberg 300 series 22 rifles.It slides into my 142-A but won’t latch. Also need one for a 42B. EMT waiting or I might have something you need