I have little knowledge on these but a few years ago a dealer showed me some odd looking magazines he had - I had not idea what they were for, he explained they were the earliest version for the 1922 Springfield's and were really rare, I tried to remember what they looked like just in case I ran into some cheap, but couldn't identify one for sure now (I think his were priced well over $500 - I might see him this weekend and will try to get more information... if you want a couple extra magazines let me know, I'll ask if he still has them .... and the price!....). I could not find a picture of just the magazine, here is a link to someone looking for a magazine who says a M1 magazine will fit but the original should stick out the bottom, he also has a picture of his rifle minus a magazine -
rimfirecentral 995105
