I have built a couple Walmart 93's and put the rifle basix in all of them. You will probably like it and avoid the switch. I would have to go through the parts list but I believe the ejector is different. A long while ago I used a MKII receiver and re-barreled to 22 Mag. I had to grind back the ejector a ways to be able to eject loaded rounds. Not sure if the blade is anchored the same between the two, or if you would need to purchase the correct one. A quick look at your owners manual should show the two breakdowns and if there is a difference in the parts.
Good Luck
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