r/canadaguns • u/Sad_Buy_9866 • Apr 14 '26

Gun and gear reviews Getting the band back together..

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Looks like there’s a path for the 110rd GSG16 Drums collecting dust, to work with the 10/22..

Picked up this printed 597 neck adapter on GP. Making these drums effectively 110rd 597 magazines.

Angle of the neck seems correct with the bolt, and the 3d print quality seems decent.

Would love to see an aluminum neck option.

Hopefully these run better than the promag drums.

Range test soon

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u/Sad_Buy_9866 Apr 19 '26

Didn’t test it out. But, noticed an issue cycling dummy rounds. There’s ~2mils of play on the neck’s latching section to the SBI adapter. This causes the feedlips to sit just below the bolt, so rounds are not pushed into the chamber.

What this means is standing and shooting is unlikely to work unless you’re bracing the drum. Benchrest shouldnt be an issue.

Gonna have to jb weld/mcgyver this gap shut to get the mag’s neck to fit tight

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u/NeruLight Apr 24 '26

I took mine to the range with 85 loaded in it and I popped off 50 before I had a double feed. I filled and emptied it multiple times. Practically drew crowds lol .. loading it is much more annoying than promags, but this setup absolutely works. The Shelpen adapter is also my new favourite lol

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u/imnotm3h Apr 24 '26

Shelpen adapter?

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u/NeruLight Apr 24 '26

Yeah he sells a 597 to 10/22 adapter! He can make it with the mag release on either side, too. I got one with the release on the right-hand-side, which is like way more convenient for the way I operate my 10/22. I used the drum with the SBI adapter too and it works fine but with the shelpen adapter I can use my right hand (I break grip) and it feels more natural to me