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February 15, 2010, 11:45 PM | #1 |
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length of barrel on shotguns?
Hi all!
I am wondering what the differences in barrel length in shotguns equate to. I would think that a longer barrel will give a tighter pattern than a slightly shorter barrel would at the same range. Is this true? I would also like to specifically talk about the difference in 26" compared to 28" as well as the applications of a 20" barrel. (I am considering a coach gun and would like to do some hunting with it.) and finally I am wondering how chokes play into this. Post up! |
February 16, 2010, 12:11 AM | #2 |
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accd to browning you gain no pattern performance past 26" but you might like longer for balance. i believe you might gain some velocity with a longer barrel however though i'm no expert. when in doubt, call the manf.
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February 16, 2010, 12:15 AM | #3 |
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The length of a shotgun barrel is mostly personal preference. The shot in the barrel will reach is maximum velocity after traveling about 15-18'' in the barrel.
A longer barrel is used mostly for hunting and shooting clays because it give the shotgun a better "swing" and for most people is easier to shoot with. I personally do not like long barrels and prefer a shorter barrel. i often shoot multiple clay targets and the shorter barrel allows me to switch to a new target faster, but at the cost of accuracy. I have a 26'' barrel and a 18.5'' barrel for my mossberg 500 20 gauge. I shoot better with a 26'' barrel when shooting clays because the barrel has a choke. the 18.5'' does not and therefore has a very wide pattern. If my 18.5'' barrel had a choke in it, it would pattern similarly to my longer 26'' barrel. The pattern is determined mostly by the choke. If you had a long 28'' barrel and a short 18'' barrel and both were cylinder bore (no choke) the longer barrel would have a tighter choke due to the longer barrel, however if the 18.5'' barrel had a choke and the 28'' did not, the 18.5'' would pattern tighter. Im not an expert, but if i made any mistakes someone will point it out shortly. |
February 16, 2010, 12:31 AM | #4 |
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Thanks guys
I am hoping to find someone that makes a full choke for the 20" barrel coach gun I want. And I am really leaning towards the 26" barrel for all other shotguns it just feels more comfortable to me. lets get some more input!! |
February 16, 2010, 12:35 AM | #5 | |
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Here's Remington's take on it:
Quote:
http://remington.custhelp.com/app/an...ength/r_id/166
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February 16, 2010, 12:37 AM | #6 |
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Well if you can find one with a screw in choke you can simply buy a new choke and screw it in, but on a coach gun it is probably fixed.
There are places out there that can cut threads into you barrel that way you can screw a choke into it. |
February 16, 2010, 12:42 AM | #7 |
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my old coach is Mod and Improved I have hunted with it Just depends on what you want to hunt
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February 16, 2010, 12:57 AM | #8 |
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It's the choke's constriction that determines the pattern density. Barrel length has mainly to do with the handling/balance of the gun and the sighting radius. Ballistic considerations are not a major factor in determining barrel length.
Minimum length barrels, the neighborhood of 18 1/2" are for HD/tactical guns. Barrels in the neighborhood of 20" are typically for shooting buck shot or slugs. These typically have two piece or optical sights. "Buck" guns are used because they have a shorter killing range (than high powered rifles) and are considered safer in populated areas. Barrels 26" and longer are used for target and field applications. The shorter the barrel, the quicker the gun will handle. Longer barrels swing smoother and absorb more recoil. A point to ponder: Since pumps and auto loaders have longer actions than double guns, there is ROUGHLY a 2" correspondence. A 26" pump barrel would have the same application as a 28" double barrel. Years ago, barrels in the 24-28" range were usually for fast birds or skeet targets. But, there has been a trend towards longer barrels. When I started shooting skeet in the 60s, the guns had 26" barrels. My present skeet O/Us have 28 and 30" barrels. Trap shooters, who use less swing and more precision will go for 32" and longer barrels. These longer barrels also work for turkeys and water fowl. Then there's grandpa's ol' goose gun with it 36" barrel. As a general rule of thumb, bigger guys will find the longer barrels seem more natural. My friend, member BigJimP is taller and heavier than me. Generally, for all target types, he's comfortable with a longer barrel than I am. For a general purpose shotgun, consider a pump/auto with 26 or 28" or a O/U or SxS in 28 or 30" configuration. Try many guns and see which ones feel the most natural to you. Use your least constrictive choke on skeet and doves and your tightest choke on water fowl, turkeys and long handicap trap targets. Use the chokes in between on the targets in between. Of course, you can hunt with a 20" coach gun but it will have a choppy swing, a lot of kick, and the sort sighting radius won't help you acquire nor keep your target. |
February 16, 2010, 01:04 AM | #9 |
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Mossberg 590 20" barrel with Accu Choke . Shot fun clays with it sooo much that a long barrel shotgun is hard for me to hit clays with. So it kinda depends on what you get use too.
Practice, Practice, Practice & Practice some more. And here's another place that sell's those 590 accu choke barrels. http://www.arizonagunrunners.com/cgi...+Barrels+590A1 |
February 16, 2010, 03:28 AM | #10 |
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The difference between an 18" and a 28" barrel is that the 28" gets you 10" closer to the target.
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February 16, 2010, 05:33 AM | #11 |
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More myths , even from the makers !!
Shorter swings faster ? NO , as you are swinging your whole upper body not just the gun . Different pattern ? NO ,the pattern is determined by the choke not the length of the barrel. Shotgun powders are fast so barrel length changes velocity very little . Remember that a 24" pump or auto has the same overall length as a 28" O/U ! The barrel length only effects the sighting plane and balance. My choice is a 24" auto or a 28" O/U. |
February 16, 2010, 09:54 AM | #12 |
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Zippy pretty much hit the nail on the head, as have some others.
For dynamic targets, i.e., those that are flying, I prefer longer barrels for the smoother swing dynamics they give me. For static targets, like deer from a stand, or sitting against a tree for turkey, a shorter barrel where the gun is shot like a rifle, can work as well as a longer barrel one. I tried shooting with an 1100 with a 25" barrel. Because I was used to a 32" gun, I needed to add weight up front to mimic the swing dynamics and prevent the barrel from feeling "whippy" Last edited by oneounceload; February 16, 2010 at 12:07 PM. Reason: dang ten thumbs...... |
February 16, 2010, 10:06 AM | #13 |
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Zippy, OneOunce and others said it well .
My preference on pump guns is generally 28" / and 30" on Over Unders - but the exception is when you go to a really light gun ( say under 7 lbs ) then I go even longer - say 30" on a light semi-auto. I find a 28" on a semi-auto or pump gun / and a 30" on O/U's and a gun around 8 1/2 lbs is the most versatile gun for general shotgunning live birds, skeet, sporting clays ( and I keep it the same whether I shoot a 12, 20, 28ga or a .410 . The game where I go even longer is Trap / because there is less left to right or right to left barrel movement so I go to a heavier gun ( around 10lbs ) and 32" or even 34" barrels. But at 6'5" and 290 lbs what feels whippy to me - may feel right to someone else - so a lot of it is personal choice. |
February 16, 2010, 07:05 PM | #14 | |
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As soon as one question is answered, it gives rise to others. There are no answers about the optimum barrel length without first defining the anticipated shooting environment and personal preferences.
Oneounceload makes a great point, some environments involve dynamic targets while other targets are nearly static. Also, there's the way the barrel is sighted: for dynamic targets, one points the gun, actually the experienced shooter is looking at the target, not the bead. For static targets the barrel is often aimed. Quote:
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February 17, 2010, 06:42 PM | #15 |
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I need a few more shots of espresso to think this thru .....
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February 18, 2010, 12:52 AM | #16 |
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Enjoy
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February 18, 2010, 07:06 PM | #17 |
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It comes down to what you like, feel comforatable with, and what you are using it for. For clays you may want a longer one for better swing and sight radius. For birds you might want a short one for close fast shots. I dont shoot much clay except to warm up before bird season so I like the shorter barrel's. I use a Browning o/u 20 ga upland with 24" tubes for birds, with a straight english stock. Just made for really up close and fast shots. But that is just what I like. Someone else may be differnt, and not like short barrels for some good reasons. Same with chokes matters what your going to be shooting at most of the time. Now a days they have some nice screw in ones you can not even see.
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February 23, 2010, 07:56 AM | #18 |
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So I should just not worry about a longer barrel?
My Mossberg 500 Persuader 12 ga. (love that name) has a 20" barrel. Primarily it is intended for SD but I have used it to do a little skeet shooting. I was thinking that it would improve accuracy to purchase the 28" barrel but from what I am reading here it would seem to make no difference from a pattern approach and that the longer barrel would simply help better target acquisition. Did I read that right or did I miss something in the translation?
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February 23, 2010, 08:51 AM | #19 |
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One thing to consider is that the further the front and rear sights are from each other in a gun, the more accurate the sighting picture will be. I'm aware that most shotguns have bead sights, but when you're lining up the bead with the top of the receiver, this rule still applies.
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February 23, 2010, 04:55 PM | #20 | |
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Quote:
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February 23, 2010, 05:14 PM | #21 |
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I have a 26" on my Beretta semi and it works great in the blind and field and when I shoot clays, I can hold my own. I do have an extended ported tube on it now so maybe it is a 27"+. I bought to for steel shot and have never bothered changing it no matter what I am doing.
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February 27, 2010, 09:27 PM | #22 |
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I try to get the bead on the object or close to it, and I am looking at both of them.
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February 28, 2010, 04:14 PM | #23 |
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Barrel length over legal length of 18" makes no difference in velocity.
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February 28, 2010, 07:48 PM | #24 |
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Some years ago, the NRA Technical Staff did a test on what effect barrel length had on shotguns.
They bought a Marlin Goose Gun with a 36" barrel and mounted a choke on the end. They fired the gun for pattern and velocity, then cut the barrel off one inch and re-mounted the choke. They continued this in one inch increments until they got the barrel down to about 12 inches. Their results: Anything that is going to happen inside a shotgun barrel will happen within 18". Anything over about 28" and you actually start to lose velocity due to friction. Barrel length has no effect at all on patterns. An 18" barrel can shoot the same patterns as a 36" barrel. Patterns are determined mostly by the choke. Things didn't "get out of hand" until the barrel was down to around 12". The idea that a longer barrel will shoot "harder" or "farther" is a left-over from the days of black powder when longer barrels burned the black powder more effectively. |
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