What choke is the rifle sight barrel?
Just today, I ordered an 18" Rifle sight, Improved cylinder choked factory police barrel, to replace the bead sight on it now. Mostly for the sights. But, upon inspection of my current barrel, it is choked Modified. Go figure, its not listed in the catalog, except as a special order.
This all started with a team mate asking about upgrading his long barreled express to an HD type gun. So of course I started digging thru boxes at home to find slings, sidesaddles, etc. And doing some research on the net.
I'm not a "gauge" guy, I have carried them on duty, and have some training with them, so I've been putting off getting ghost rings, and some other work done to my shotgun.
I came across a factory rifle sighted 18" barrel with tritium, modified choke, for a good price. Figured this was a good way into sights on the gun, and tighter patterns. After some research, it seems the general consensus is, slugs are OK in a modified choke(actually up to full) but generally get the best accuracy from cylinder and IC.
What Vang(and others) do, is back-bore a cylinder bore shotgun, creating a choke, if you already have some choke like IC, I suspect it will make it, in effect a tighter choke.
So, basically you need to see how your current barrel patterns with your chosen load of 00buck. Many think, Federal's Flight control, just about eliminates the need for the "Vang" treatment. Also, see how it shoots your chosen slug load.
Being shotguns, its hard to say what will shoot tightest and most accurate out of your individual barrel.
It sounds like this is a short course, 125 rounds. I would not go all out on any changes to your gun just yet.
Your current barrel will most likely be fine, and may not ever need to be upgraded. Since you already have sights, I'd be more worried about a sling and a light. But, if you do need a 18" barrel and other shotgun accessories, hit me up
Darwin,
I'm confused, are you saying it's not realistic to train to hit targets at 100mtrs with a shotgun loaded with slugs?
As stated, I'm not a gauge guy, but I have trained at times to shoot them at 100mtrs. In part, the adversary will determine the range at which you will need to engage him, not what you are armed with. If I can make my shotgun, shoot buck tighter at farther ranges, and slugs more accurately, and gain some range, I'm all for it. But, I also believed in qualifying at 50mtrs with a pistol.
So you see why a prefer an M4 type over a shotgun, to begin with.
Bob
" Some people say..any tactic that works is a good tactic,...I say, anything can work once" former ABQ swat Sgt.
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