r/canadaguns • u/TL2ix • Apr 11 '26

Gun and gear reviews Adler Arms 597 Adapter vs SBI Adapter

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Alder Arms adapter works well with 22 rnd mag but it does not fit the 30 rnd rotary mag.

SBI adapter works well with both. No Jams, FTE or FTF with CCI mini mags. 200 rnds no issue.

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u/zgeiaGfmD3r1mQ Apr 11 '26

Ripping off the SBI adapter was a pretty shitty thing for north sylva to do. It's also clearly a knockoff.

I have a RF224 and the knock off adapter is shit. The SBI one works way better. I use the 22 round mags and OG 30 round Remington ones.

Also, mini-mags are the only thing that seems to run in the RF224.

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u/Hot_Cheesecake_905 Apr 11 '26

I think it depends on the specific RF224 - in mine, the mags are a few mm larger than genuine Ruger magazines, so the SBI adapter is loose, and genuine mags don’t feed well. So I use the knockoff one in my RF224.

I noticed on OP’s photo that his adapter has a rounded cut at the top. Is that new? Mine does not, and as a result mine has some strike marks on it.