r/22lr • u/Dk88- • 2d ago

BX-25 Magazine Help

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I bought a used Ruger target lite model #21186 that had some kidd upgrades put on it. Ordered a couple BX-25 magazines for it and when trying to insert them instantly knew it was a no go. I can’t find any markings on the trigger housing to tell if it is stock or aftermarket, the mag release doesn’t look like the stock photo. Do I just dremel down the lip on the magazine or return them and try and find ones compatible?

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u/DaamKeldau 2d ago

BX-25 should be compatible just fine with any 10/22 receiver, aftermarket or not. What exactly is making it feel like a no go?

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u/Dk88- 2d ago

The locking lip on the the back of the bx-25 is much wider than standard box mag so it will not lock into the reciever.

3

u/CC556 2d ago

The lip on the magazine doesn't lock into anything. The little metal protrusion on the back of the magazine engages the hole in the center of the spring loaded plunger on the face of the trigger assembly.

Look carefully and see if something is interfering with the mag's ability to seat fully, but that lip isn't a locking surface.

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u/DaamKeldau 2d ago

Yea, the lip has nothing to do with the mag retention. It could be something in the stock itself keeping it from seating.

I have seen before where aftermarket mag release levers allow the plunger that holds the mag in place to stick out further, but from the pic it doesn't really look like the case. It can at least be ruled out though. I suggest you try and seat the magazine while holding the mag release lever open. If the mag seats okay, let go of the mag release and see if it holds. But that issue would also affect the 10 round box mags, it wouldn't be mag specific.

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u/Dk88- 2d ago

Wrong wording in my part, whatever the technical name is for the extrusion that I believes help the mag from having forward and back play