|
CURRENT OFFERINGS DOC'S BOOKS &ARTICLES The White Muzzleloading System Green River RifleWorks Tominator Shotgun- BG Series
|
Each once in a while, this website will publish an article of interest to the muzzleloading public. Most will be written by DOC, but some few will come from other sources. We will talk about any number of things, mostly hunting and muzzleloading. Nothing will be sacred. Doc usually learns something of value from the effort of writing these articles. With any luck, you will learn something from reading them. CHLORATES AND BLACK POWDER SUBSTITUTES
I got a call from a fellow just the other day. He had a White rifle that he dearly loved, an old Whitetail with an early number that he had hunted with for the past 20 or so seasons. He claimed to have killed 30 plus deer with it during that time. It was super accurate and super powerful. He loved it. Suddenly it has lost its gold plated accuracy. He took it out of for a sighting session a few days back and the less than 2 inch groups that he was used to have turned into 6 inch groups. He claimed to be using the same bullet and the same load that he always did. Had not changed a thing. He looked down the barrel once he got it cleaned. It looked sparkling fresh, no corrosion or pits. He took it out again, but got the same results. He tried changing a few things like bullet weights and powder charges, even the kind of powder but got similar results with all them . Then he called me. This is an awfully familiar story, one that I hear with fair frequency. Same loads, same good apparently good cleaning practices, but a sudden deterioration in accuracy. This man was even told by a gunshop that the rifling was ‘shot out’ despite the well researched knowledge that it takes on the order of 20000 shots with lead bullets to even begin to make a dent in accuracy. The really odd thing about all this is that it never occurs if the shooter exclusively uses Black Powder. It does occur if the shooter is using the modern substitute powders. The reason is that black powder does not contain chlorates while the more modern stuff does.
The use of chlorates to enhance performance goes back more than a century. Right at the time of the Civil War in the US, a number of manufacturers experimented with chlorates in black powder. Sure enough, there was an increase in power and performance. But there was also an increase in barrel corrosion and cost. The combination did not prove to be economically viable. There were excellent grades of Black Powder available at that time at relatively cheap prices. The chlorate containing powders went nowhere. The situation is different now. Black Powder is not expensive, in fact in most localities it’s the least expensive muzzle loading propellant available. The problem is regulation. It is a class A explosive, so transport in interstate commerce is inhibited by a plethora of rules and regulations that prevent its widespread availability. The more modern substitutes are class C propellants, slower burning and igniting at far higher temperatures. That makes them safer to transport and store, thus they are more readily available. That does not mean that they are better, only that they are easier to find and purchase. Another factor is that their residues are even more soluble in water than black powder. They also burn more completely so are somewhat cleaner and leave less residue in the barrel after firing. All this means that they are apparently easier to clean, with companies competing for shooters dollars by advertising how few patches are required to clean a barrel after shooting their product. You would think that all the advantages lie with the new substitutes. Unfortunately, this is not the case. Chlorates are the problem. The presence of chlorate residues in a muzzle loading or black powder cartridge barrel introduces the possibility of faster and deeper corrosion, even in stainless barrels. This not the case with Black Powder. The weak sulfuric and nitric acids that can form with the combination of black powder residues and water/water vapor are not nearly the problem that present with chlorate residues. If the least bit of water or water vapor is left in the barrel to mix with chlorate residues, hydrochloric acid will form. This acid is intensely corrosive, causing surface pitting in the best of barrel steel, including stainless. Worse, if the pitted barrel is fired, the pressure drives even more chlorate residue into the pits, which become progressively harder to clean out as they get deeper. Sooner or later, the barrel is ruined. I see many rifles with deep chlorate pitting in the breech area. The breech is the hardest place to clean on an in-line muzzle loading rifle, thus gets the least attention. So deep pitting in this area is a common problem. It also indicates a potential problem with the barrel interior. If I get a rifle with deep pitting in the action area, I have come to count on seeing pitting in the barrel, indicating the poor cleaning practices of the owner/shooter. If you think an in-line is tough, think on a side-look. Most side-look shooters clean the barrel after a shooting session, but fail to clean out the breech. Cleaning out the breech on an inline is instinctive. White has always recommended that the breech plug be removed and the barrel and plug threads be cleaned thoroughly. In order to do this with a side-look, you must remove the barrel from the stock, immerse the breech end in a bucket of cleaner and pump cleaner through the breech. If you fail to clean the breech, you are guaranteed to suffer with chlorate corrosion. I also see a fair number of rifles that have apparently lost their gilt edge accuracy, but which have what appears to be a sparkling clean, bright , shiny barrel with no pitting. This appearance can be decidedly deceiving. Examination with a bore scope will most often show a tiny bit of surface pitting, not enough to show to the naked eye but enough to be seen with magnification. This little bit of corrosion is enough to destroy accuracy. Practically the only thing you can do about it is lap the barrel. More on that later.
What to do? Back in the bad old days, when we thought that stainless barrels would resist anything and before the truth about chlorates came out, we all thought that cleaning the barrel with wet then dry patches after every shooting session and occasionally cleaning the action was enough. Obviously, that idea came to a corroded end. This is what I do and recommend now: Use a commercial black powder cleaner, not just soapy water. The commercial cleaners have alcohols in them, at least most do, the alcohols evaporate faster and more completely, thus get rid of water and water vapor faster/better. Cleaning up all water residues after cleaning is vitally important and alcohols help a lot. They really don’t soak the powder residues any better, nor do they slick up the barrel any better, but they do get rid of the water threat. They are also mildly alkaline which helps neutralize the acids left after firing. The best cleaner are those designed to clean stainless steel, like the stuff used in hospitals. The old White Super-Clean was merely an adaption of hospital stainless cleaner. There were three different alcohols in it, plus a spreading factor, an alkalizing agent and it dried super fast and left no water residues whatever. (That was the companies claim to fame) Clean the entire rifle, including all parts, every time. Take the gun apart, including removing the trigger if an inline, put the small action parts in a jar of cleaner to soak while you clean the barrel with a patch. Clean the breechplug threads thoroughly. Same for the threads on the breech plug itself. Same for the interior of every part and every nook and cranny. Dry everything thoroughly. If you can, do this in an over-warm location, so drying is faster/more complete. If the gun is a side-look, immerse the breech end in a small bucket of cleaner and pump cleaner in and out of the barrel/breech until clean. Take the nipple out first, so the process is faster. Once the barrel is clean, dry the bore thoroughly with dry patches. Leave the nipple out so the whoosh of air in and out of the side-look breech will dry the interior of the breech. Then follow the procedure in the next paragraph. Once you are convinced the barrel is clean, with patches coming out without any trace of residue on them, then repeat the process. Count the number of patches it takes to get the barrel clean, then double the number and repeat the process. YOU MUST RENDER THE BARREL SPARKLING CLEAN TO KEEP ACCURACY IF USING CHLORATE CONTAINING POWDERS. Oil everything thoroughly, inside and out. A drying, residue leaving, penetrating oil is best. Then reassemble. Pay special attention to the trigger. Any moisture left in the trigger will cause rust and lock it up. Rusty, non-functional triggers are a common problem. Use a thin, penetrating, non-gummy oil on the trigger. Take the gun out of storage a few days later and run an oily patch down the barrel again, just to be sure. Store it in a dry place. A dehumidifier is a real help. I have one in my gun room and take special delight in how it helps. Repeat the cleaning once a year if you don’t use the gun in the meantime.
Now, how about the gun that is already pitted. Obviously, if the pitting is severe and from one end of the barrel to the other, then nothing will save the barrel except re-rifling it or re-lining to the next larger caliber. This can be every bit as expensive as buying a new barrel, which of course is another option. If the pitting is fine, especially if it is barely visible or better yet , not visible at all, except to a magnifying bore-scope, then lapping the barrel will help. Hand lapping is a laborious, time consuming and expensive process. Fire lapping is easier and is often effective. Fire lapping cuts the cost of a fix in about half, but doesn’t always work. Neither form of lapping will restore the barrel to perfection, but both will improve it. What really helps, in the long run, is to care for the gun as carefully as you would one of your children. Clean it thoroughly, every time, as described above, and you will be able to enjoy it for far longer than most. Good Hunting. DOC PS- White Muzzleloading offers accurizing services. GoTo ‘Accurizing’, to the left in orange.
Getting ready for the hunt Best or Worst conditions?
Most hunters and shooters like to sight in their rifles and target their guns under optimal conditions. Good weather, no wind, lots of sunshine, nice shooting bench all lead to great groups, or at least the best that one can get. Yet, when we hunt, conditions are more often than not much worse. It's usually cold, far different than the day when we last targeted the rifle, the wind is blowing, there might be rain or snow or sleet in the air, the guide is whispering furiously in your ear, the target is moving around, sometimes vigorously trying to put distance between him and you, sometimes trying to get closer so he can stomp you in the mud, and there's nothing pleasant or calm about the situation. Because of that dichotomy, between the peace of sighting in and the furor of the hunt, I believe that a hunter/shooter should seek out the worst possible conditions, at least on the last time out before an important hunt ( and they are all important), anticipating that those conditions are the worst that he will have to operate within on the hunt. This does not produce optimal groups of course, but it does tell you what your personal performance will be like under the worst possible conditions. That is the performance level that should govern your personal efforts once in the field. As an ethical hunter, you should not exceed that performance parameter or you will suffer a wounded, escaped and perhaps angry animal to die a painful, lingering death or possibly cause you to do the same. I recently finished a heavy double rifle for African shooting. (photo below) I had shot it a number of times during the regulation phase of production. Double barrels have to be 'regulated' with the load that the hunter will be using so that both barrels shoot into the same spot at reasonable ranges. This can turn into quite a chore as some rifles are extremely finicky about the load. Fortunately, some are not. Once the barrels are regulated, they are assembled with ribs, thimbles, sights and all permanent fixtures. Then comes the moment of truth, shooting one last time to make sure that the barrels stayed in place during the final assembly. Sometimes they don't, then you get to start all over again.
This particular rifle was destined, at least at the outset, to put down a cape buffalo. Normally, this is a relatively close range affair, the closer the better. It's 54 caliber bullet, weighing 750 grains, loaded over 180-200 grains of fine powder just might do the job. That bullet weight, by the way, is like shooting a 9 bore round ball gun. I chose to finish regulation of the barrels at 30 yards on a blustery day with a bit of flying rain. I also chose to shoot elbows down on hood of Suburban, no dead rest, just to see how well I could place those heavy bullets under adverse conditions. I shot pairs of bullets, left and right, that's rear trigger then front trigger, with charges of Pyrodex P from 160 to 200 grains. I did not clean between shots, just as you would not in the field, and loaded from the pouch, so to speak, although on this occasion it was really from the pocket, with powder flask and bullets in opposite side pockets of my shooting jacket. The capper was slung around my neck, duplicating hunting practice. The point of aim was at 6 o'clock on the orange bull, the group in general striking right at point of aim. The front bead was almost as large as the orange bull. The 160 grain load suffered a 'called out' shot with the left barrel, a gust of wind catching me just as the rifle fired, throwing the bullet up and left. The right barrel is on the money at 6 o'clock in the bull's orange 8 ring along with bullets from the 170 and 200 grain loads. The 170 grain load put the left barrel into that same group, with the right barrel placing the bullet to the right by an inch and a half. That bullet hole is not marked. Sorry. The 180 grain load, shot during a lull in the weathers windy festivities, put both left and right bullets on a parallel and an inch apart and about an inch and a half low below the orange 6 o'clock. I decided to shoot the 190 grain load as a true double, damn the wind, and pulled the shots off within a second, with a two inch dispersion left to right. I did the same with the 200 grain load with the dispersion vertical but the bullets on the correct sides, left and right. You might think that the 180 grain load was the best, but remember that it was shot deliberately while the others were shot as if the buffalo was coming fast and damn close. The fact is that all the shots, with perhaps the exception of the first 160 grain 'called out' shot, would have killed the buffalo, or at least slowed him down.
- Illustrations of the effectiveness of the White Muzzleloading System are available in the many videos participated in or produced by White. . Net users, click on www.whiterifles.com |