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SuicideHz
12-29-07, 21:05
What will the UBR do to my 9mm shooting now?

I had a carbine receiver extension and it wasn't running quite right.

Now I've got the UBR on my SBR'd lower that hosts the RO635.

The entry tube is shorter than the carbine tube, isn't it?

Just curious, haven't attempted to fire it yet. Maybe it will cure it. That would be funny!