Patterned my Mossbergs today. 18" Cyl bore and the other 20" Cyl bore with a King Armory's KA1212 brake. All 9 pellet 00 buck. Hands down the best was the Fed Low Recoil with Flight Control
#1 Fed Low Recoil with Flight Control (Gotta get some)
#2 Win Low Recoil Ranger ( get some)
#3 Rio Royal ( would buy again)
#4 Estate ( ok )
#5 Win Super X ( crap)
#6 Fiocchi (crap)
#1 Fed Low Recoil with Flight Control (Gotta get some)
#2 Win Low Recoil Ranger ( get some)
#3 Rio Royal ( would buy again)
#4 Estate ( ok )
#5 Win Super X ( crap)
#6 Fiocchi (crap)




I've yet to see a cyl barrel that patterns poorly with Federal / Hornady FC wads, I'd use them as the benchmark.
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