If birdshot is for birds, what is buckshot for? Deer?
As to my phonebook test with #6, I shot at it from about 5 feet away. My shotgun puts a "rathole" in pretty much anything up to 10', and then the shot spreads out at distances beyond that. I was just surprised that even the rathole didn't penetrate much into the phonebook. I figured a rathole indicated that alll the shot was still in the shot cup and would act as one projectile and be able to penetrate deeply.
Actually, in the old days that's what it was used for--thing is, those states that allow shotguns or they're mandatory for big game hunting (Animals with an actual season) mostly don't allow buckshot to be used for the taking of game animals, just slugs.
Wild Boar/feral pigs are not game animals in the vast majority of states that have them--they're considered vermin, pests, feral and you can kill them to your hearts content.
Your phone book test, while a good indicator of penetration of bullets is a poor gauge for pellets due to the density of the paper that's compressed...Try finding some ballistic gel--which emulates human tissue--and shoot into that or just get the reports online because the stuff is damn expensive.
When you look at the spread from the front, you'll notice that the pellets are still angling outwards even after hitting the medium which is why shotshells are so devastating as long as they can get the penetration...You have to sever veins and rupture arteries, destroy organs, cause a massive shock to the central nervous system, hopefully disrupting the cardio/pulmonary system with massive blood loss shuting down the extremities and fogging up the brain as well and for that you require energy and mass to get the penetration.
Have you ever seen what Angel Dust does to a person?
Yes but a super magnum goose load of 1¾ oz of #2 over 4½ Drams of powder at around 1750 fps at 5 to 7 yds will blow the malcontent to Hell--That's 820 gr at 1,750 fps...Even if you just had a 2¾" shell with 1½ oz over 3¾ drams at 1,275 fps that's still a 765 gr.
I'm assuming you meant to put "or" instead of "of."
Don't count on that, as #6 patterns out of my 590 at that distance are about the size of a soccer ball...
Federal LE132 00 and commercial H132 00 pattern much better, at 25 yards.
Corrected typo, thank you for pointing it out.
We never talked about #6 but at 5 yds whether you shoot #12, #6, #BB or #00 buck your spread will about 6" to 7"--just a little bigger then a softball, even with spreader shotshells and spreader choke...The pellets will have just started leaving the shot cup at about 3'/1 yd and the spread out of a cylinder bore would be at 10 yds is about 20"..Those pellets have to fit a circumference of 62.83" with an area of 314.16 inch² so the mass and energy is dissipated from all those pellets over a broad area which means penetration is hindered unless you begin with a greater mass per pellet.
The problem with with increased mass is that it decreases the number of pellets in the husk which means that less pellets are available to hit the target within such a large area...To compensate for this my Rossi Coach Gun with 24" barrel are choked Mod (L) and Imp Mod (R).
I've been experimenting with what Elmer Keith called duplex loads for about fifty years now--two different sized shot in the same husk...The ones that I've found that work good are #4 buck/#2 bird, #2/#BB, #2/#T--my P/HD load, #F/#2--excellent coyote/feral dog chicken raider load, #000/#T, #000/#B and a favourite for goose hunting (pass shooting) out of a 3½" 10 bore Ithaca Mag 10 is #BBB/#2.
I am in no way advocating the use of smaller birdshot for P/HD just don't lump #BBs and #2s in with them as they will kill, I've seen it first hand within range so if that's all you've got then it's the greatest thing since sliced bread...If you have the fortune to be able to acquire larger pellets then please do so.
#00 (.330/9 to oz) is not the best of the crop nor is it the biggest--#000 (.360/6 to oz) and #0000 (.380/3.5), just the one that offered the military the best overall performance within 25 yds, cost and effect wise...The FBI advocate the use of #2 (.270/13) buck but I prefer #4 (240/20) and even better still--but you have to handload it--is #F (.220/28) or #TT (.210/30)...The extra pellets aid in hitting the target yet still offer mass and velocity.