Ben,
You're welocme into the thread, don't worry about "hijacking." This is all informational and every positive bit helps in my opinon.
CDR,
You're right, Benelli barrels run tighter than most other makers barrels do. It would be nice to have a 28" barrel and cut it off in two inch increments, testing the same criteria along the way, chokes, loads, and along with velocity data. At around $400 per barrel for the Benelli's, unless someone donates it, I don't see it happening by me. Plus, to be consistent in the testing you'd have to thread the barrel for the chokes each time it was cut off. That'd require a skilled machinest/gunsmith. A lot of trouble, but how cool would that be?!!! Turkey Hunter Magazine did this very thing awhile back and it was interesting information. I found it interesting the tighter the choke, the higher the velocity. IIRC a cylinder bore lost nearly 100 fps velocity from a turkey tight choke, which clocked much higher than the no choke cylinder barrel. Constriction allows pressure to build, thus higher velocity. Also, all other things equal, shorter barrels were slower than longer barrels up to about 28" or so. Factory velocities are supposedly quoted from 30" barrels.
Dogboy,
I would like to test a choke around .670" to compare to the .660" and .680" that I tested already. Rhino makes a .673" for the Benelli that looks really interesting. Except for the price, at $100 per Rhino choke! I don't really know the constriction of the Carlson's for the Benelli. Wonder if anyone has that data?
Squeeze,
Actually, I mistakenly ordered a looser constriction when I ordered the .680" and did shoot a few patterns with that choke before I sent it back. It did not shoot as well as the tighter chokes. You mentioned this:
Quote:
I found a sweet spot with an older Tru-Glo
Turkey choke, versus a more restrictive Patternmaster.
Patternmaster chokes are only a Modified to Improved Modified constriction, no tighter than that. If that Tru-Glo is a turkey choke it should be considerably tighter than the Patternmaster.
I agree 100% about shooting as many combinations as possible to determine the very best rig you can assemble. I mentioned above that when I was done with the predator loads I shot the Tactical Model with 00 Buck. I had four types of 00 buckshot and shot that through five choke tubes. Improved Modified gave the absolute best patterns for me, and two types of that buckshot were much better than the other two. One of those, the Federal Premium with FliteControl wad was head and shoulders better than the closest competitor, the Hornady TAP. The Fed Premium with IM choke patterns nine 00 pellets within 8"-10" inches at 25 yards. Just about perfect for my uses on the job...