I was getting around 260 with every choke I tried. Even borrowed a IC 555 and had similar results. Made one adjustment, bought an IC 555 (only because it had an overall better looking pattern in the 20”) and just last night ended up with 340 in the 10” circle. If you’re chasing numbers, there’s some things to do. If you’re looking for a hunting pattern, you’re fine where you are.
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