I would suggest trying an improved cylinder choke. I'm not familiar with Beretta's, but, if you were shooting a Remington I would suggest having someone lengthen the forcing cone.
At 15 yards the 1B should do better than that in my experience (which has been out of 870's)
The physical difference between the size and number of pellets in 1B and OOB means they arrange in the flight control wad differently, so I'd get an IC choke to try with the OOB.
Last edited by 26 Inf; 12-03-19 at 17:15.
Patriotism means to stand by the country. It does not mean to stand by the President... - Theodore Roosevelt, Lincoln and Free Speech, Metropolitan Magazine, Volume 47, Number 6, May 1918.
Every Communist must grasp the truth. Political power grows out of the barrel of a gun. Our principle is that the Party commands the gun, and the gun must never be allowed to command the Party Mao Zedong, 6 November, 1938 - speech to the Communist Patry of China's sixth Central Committee
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