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I like and use a TruLock 565...reason i like this choke it gives you a little wiggle room up close ...some will tell you you the 555 choke also...but that's a tighter choke...but now i'm shooting mine out of a youth 870 - 20 ga. with 21 inch barrel with the Federal HW 7 .. If like for 90 days if you don't like the Trulock choke they will replace it or make it right..great service....i also like a non-ported choke ...