<?xml version="1.0"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" ><channel><title>Cast Bullet Association Blog Rss Feed</title><link>http://castbulletassoc.org/blog/Rss2_.aspx</link><description>Rss 2.0 for the user blogs.</description><language>en-us</language><lastBuildDate>Fri, 25 Sep 2026 12:15:37 GMT</lastBuildDate><generator>Cast Bullet Association</generator><managingEditor>chefreiss@gmail.com(Cast Bullet Association)</managingEditor><webMaster>info@morganids.com (Richard Morgan)</webMaster><ttl>360</ttl><item><title>The Remarkable Roundball is Right for Breechloading Rifles Too</title><link>http://castbulletassoc.org/blog/article/2020/2/193/the-remarkable-roundball-is-right-for-breechloading-rifles-too</link><description> By Frank Marshall, Jr., exert from "Speaking Frankly", Frank Marshall Collection.Long range power and accuracy is the realm of the elongated bullet, but the roundball, the long- standard projectile o....</description><content:encoded><![CDATA[<div class="row clearfix"> <div class="column full">By Frank Marshall, Jr., exert from "Speaking Frankly", Frank Marshall Collection.<div><br /><br /><br /><div>Long range power and accuracy is the realm of the elongated bullet, but the roundball, the long- standard projectile of muzzleloading days, is quite suitable for much practical shooting. <br /><br /><div class="edit">Today the roundball is viewed as an anachronism, being relegated to buckskinners who stuff theirs in the other end of a rifle. Long experience has indicated, though, that roundball loads make sense in breechloaders too, and can do some tasks as well and a lot more cheaply, than an elongated bullet. New England Yankees, frugal as they are, never seemed to lose sight of this, since they never saw fit to send a man to do a man to do a boy&#39;s job if the simple, cheap load would suffice. <br /><br />Serious reloaders, particularly the cast bullet buffs, found roundball loads worked well for small game and gallery practice. It was usually possible to find an acceptable 25-yd. plinker which used the normal battle sight setting on the Trapdoor .45-70, Krag, or &#39;03 Springfield. Our Canadian co-horts applied the same wisdom to their well-used Sniders and SMLE&#39;s too. <br /><br />Using suitable smokeless powders with a relatively light round ball of correct size, carefully loaded, you can get highly respectable accuracy which far exceeds the potential of the old blackpowder roundball loads used in breechloading rifles and handguns around the turn of the century. The twist rate limits the useful velocity level and accurate range, because of the ball&#39;s very short bearing length and the extreme softness of the nearly pure lead buckshot often used for this purpose. Use of home-cast roundballs of somewhat harder alloy, such as wheelweight metal will help, as does using a somewhat oversized round ball which is swaged down somewhat in the throat for a firmer bite in the rifling. <br /><br />Slow twists, such as the 16" per turn of the .32-40, compared to the 10" per turn of the .30-40 Krag or .30-&#39;06, permit higher velocities, and consequently longer practical range and better accuracy with roundball loads. <br /><br />Many modern rifles which. are well suited for cast bullets, having moderate rates of twist, are also well suited for the roundball loads. Some of these are the .30-30 which typically has a 12" twist, the .32- 40 and .32 Win. Spl. with 16" twist, the .35 Rem, and .350 Mag. with 16" twist, and the various .357 Mag. and .38 Spl. carbines such as the 1894 Marlin with 16" twist and Rossi 92SRC which has a very slow twist around 30". The .38-55 with its typical 16" and 18" twists is ideally suited, though its modern counterpart, the .375 Win. with 12" twist should be OK. Most .44 Mag. rifles and the .444 Marlin have slow twists around 38" which will handle a round ball well. The .45-70 and .458 Win. handle round balls well with most of the common rates of twist from 16"-22". <br /><br />As the size of the ball increases, of course, the weight goes up rather impressively. A .25 cal. ball weighs only 25 grs., though a .50 cal. ball twice its diameter weighs about 200 grs., eight times that of the .25 ball. Generally you should use a ball about .005" over groove diameter, so the ball can be pressed snugly in an unsized, fired case. This requires the minimum in loading technique, since you merely decap, reprime, charge the case and press the ball in with the thumb, wiping a bit of waterpump grease or bullet lube over the case mouth as a sealant and lubricant.  <br /><br />Fast burning pistol powders such as Bullseye or 700X give the most uniform results. These are clean burning in the small charges required. You must be careful about not using too much powder, or accidentally putting multiple charges into a case. I charge each case singly and press the ball in immediately, rather than trying to charge a whole group in a loading block. A brief shake will insure that you indeed did charge it also. No fillers of any kind are used in these loads. <br /><br />Correct powder charges vary with the case capacity, but you should remember that all of these are low velocity loads attaining about 700-1200 f.p.s. A charge of 1⁄2 gr. of Bullseye would be adequate for a .22 Hornet, or about 1 gr. for a .30-30 plinker or up to 3 grs. maximum in the .30-30 case. The Speer No. 10 Handbook gives data for roundball loads in .44 Spl. (2.3 grs. of Bullseye for 500 f.p.s. with .433" swaged ball), .44 Mag. (2.9 grs. for 550 f.p.s.), .45 Auto Rim (3.0 grs. with .454" ball for 590 f.p.s.), and .45 Colt (3.2 grs. for 550 f.p.s.). <br /><br />I have also had good luck using 1 gr. of Bullseye and size 0 (.32) buckshot in .32 revolvers, and 1.5 grs, with size 000 (.36) buckshot in .38 revolvers. <br /><br />In larger rifle cases like the .375 Win., the .444 Marlin or .45-70 you can use 3.0 grs. of Bullseye for a plinker, up to about 4.5 grs. max in the .375, 5 grs. in the .444 and 6 grs, in the .45-70. Over the years I&#39;ve shot thousands of rounds of roundball loads using Bullseye powder and carefully weighed charges. If you measure these, check your powder measure very carefully, dumping ten charges on the scale pan and weighing them in aggregate, adjusting the measure by trial until it&#39;s right on the button. Although a lot of folks use homemade charge cups with .22 short cases, etc, soldered onto wires for these (and I&#39;ve done it myself) I don&#39;t necessarily reccommend the practice. With proper shook &amp; struck technique you can get good charges this way, but simply running the cup through like a coal skuttle and slopping some in the case is NOT the way to do it. These loads are safe in my experience, but I&#39;d suggest you start light, standing by with a rod in case you stick one in the bore initially, since I don&#39;t know if Bullseye powder has changed much over the years. <br /><br />In .30-&#39;06 match rifles I know quite a few fellows who got their gallery practice during the winter months using size 0 (.32) buckshot with 3 grs. of Bullseye and a large pistol primer. This load shot fairly well in the Springfield at 50 ft. The loading technique was the same, charge, thumb-press the ball in and smear waterpump grease, Ideal lube or tallow over the case mouth. If you don&#39;t flush-seat the ball, but simply press it in just snug, you can chamber it carefully and achieve a snug fit in the rifling origin which gives good gallery accuracy. We used to buy buckshot in 5 lb, bags for this type of practice, usually offhand, during the winter. You can also use 00 buck (.33 cal.) by running it through a .313" sizing die so it will be a press fit in the case neck, yet still chamber easily. This also gives a short cylindrical bearing to the "bullet", which helps accuracy. <br /><br />We used to have lots of fun with roundball loads in the .45-70 and .45-90 rifles, using pure lead balls around 1000 f.p.s. The usual load with these 150-gr. .460" balls was 9 grs. of Unique or 6 grs. of Bullseye. Balls were seated flush with the case mouth. <br /><br />Noise of these loads was mild, more than a .22 but without the crack which carried a long way. Their killing power on small game was remarkable, though, all out of proportion to their energy, I guess because of the large ball size. Also, though, the pure lead ball flattens easily at striking velocities over 1000 f.p.s., and a woodchuck or coon out to about 30 yds. or so is a sporty proposition with such a load. <br /><br />In the modern .45-70 rifles such as the Marlin, these roundball loads do surprisingly well, and I have found they also do well in the other Micro-groove barrels of .44 Mag., and .444 and .357 carbines. 35 <br /><br />The .435" ball seems to work best in the .44 cals., and the 38" twist of the Marlins seems to favor a velocity of about 1150 f.p.s. A .363" ball at the same velocity works well in the .357 M1894. There are an ample variety of roundball moulds available today, thanks to the blackpowder clan, to enable about any CBA&#39;er who wants roundball plinking loads for his favorite rifle or handgun. <br /><br />The somewhat oversized lead ball which is perhaps .005" over groove size, swages down easily upon firing, creating a good gas seal, having a firm bite in the rifling, for a concentric launch, which is afforded by its fitting the case as tightly as possible, within the limits of easy chambering. The oversized ball is the trick, and permits far better accuracy than a ball of groove diameter. In rifles, the accurate range of a round ball seems proportionate to the weight and diameter, which consequently favors the larger calibers. Also, the larger calibers in blackpowder practice had relatively slow twists which favored the round ball. <br /><br /><div class="edit">The rule of thumb for roundball accuracy with our best loads came to be 1 yard per caliber, for two minutes of angle. This was true in perfect bores, with proper, tight fitting balls, weighed to ±.2 grain, using light charges of Bullseye and pistol primers to give about 1000 f.p.s. Weighed balls were an impor- tant factor in accuracy, as was having the ball fit the fired case neck as tightly as possible and still chamber easily. We used the Ideal Shell Indentor to make a seating stop to push the ball down against, which would stay in place after many firings with these light loads. The sprues were either whittled off and rolled round, or kept carefully front and centered for best accuracy. A good .45-70 with slow twist would shoot a ragged hole at 25 yds. with these loads, and 75-yd. beer cans were fair targets with open sights. <br /><br />More recently I&#39;ve found that 000 buckshot and 1.7 grs. of Bullseye in my .357 Mag. Marlin 1894 would equal the accuracy of factory .38 Spl. 158-gr. lead ammo. This was good enough for several fine squirrel stews, and lots of fun at the range. If you haven&#39;t tried the wonderful round ball for just plain fun shootin&#39;, maybe it&#39;s time you did?<br /><br /></div><br /><br /></div><br /><br /></div></div></div> </div>]]></content:encoded><pubDate>Wed, 19 Feb 2020 03:30:27 GMT</pubDate><guid>http://castbulletassoc.org/blog/article/2020/2/193/the-remarkable-roundball-is-right-for-breechloading-rifles-too</guid></item><item><title>Seating Depth</title><link>http://castbulletassoc.org/blog/article/2020/2/190/seating-depth</link><description> By Steven Hurst, exert from Fouling Shot 143-20. Jan-Feb 2000. When I started loading match cast bullet ammunition for the .45 ACP, I naturally sought out the advice of the top shooters that were rol....</description><content:encoded><![CDATA[<div class="row clearfix"> <div class="column full"><div class="edit">By Steven Hurst, exert from Fouling Shot 143-20. Jan-Feb 2000. <br /><br />When I started loading match cast bullet ammunition for the .45 ACP, I naturally sought out the advice of the top shooters that were rolling their own with home cast slugs. The odds-on favorite bullet was the Hensley and Gibbs #68.  The plain base/bevel base users ran about 50/50, I chose the plain base version and ordered a 4cavity mold. When it came to loading those big, beautiful 200 grain semi-wadcutters, there was no argument, all the participants agreed that best accuracy was to be had when the bullet was seated to contact the leade.<br /><br /> However, what caused the accuracy improvement divided the shooters into two camps, and the arguments were hotter than the ones I started with the plain base/bevel base question. Both camps had plenty of argument ammunition and a shortage of facts, which always makes for a hot time in the clubhouse. One group proclaimed it was the reduction of headspace that made the groups smaller, the other fervently held that the elimination of bullet jump to the rifling was the ticket. The headspace group pointed out that .45 ACP cases were always way under maximum length. They had the support of the revolver shooters who could show poor accuracy any time by shooting their S&amp;W 45 ACP revolvers without moon clips, which increased headspace and swelled groups. The bullet jump believers pointed out the apparent lack of any headspace effect with jacketed bullets.<br /><br /> The point was moot as far as I was concerned, what I wanted was the results. However the idea kept churning in my head, and I measured hundreds of .45 ACP cases hunting for a few maximum length cases that could have settled the argument. I can only conclude that the factories make them short on purpose as none approach the maximum length and many are even shorter than the trim-to length. Lacking long cases, the idea languished for years.<br /><br />After the 9X19 Luger was banned as an IPC major power load, the 9X21 cartridge became available and provided an opportunity to find the answer. Using the slightly longer 9x21 cases, I trimmed one batch to 0.760”, giving zero headspace in my SIG 225. A second lot of cases were trimmed to 0.748”, equal to the average of commercial cases, giving 0.012” headspace. Each lot of cases were loaded with the same cast bullet load, one half with the bullet seated to rifling contact and the other 0.070” deeper.<br /><br /><div class="edit"> The loads were fired alternately with barrel cleaning and fouling shots between each ten shot group. Velocity measurement, during the accuracy testing, showed no significant difference. The results, shown in the table, are very decisive. The long, zero headspace cases did not produce significantly better accuracy. It did not matter which cases were used, the seating of the bullets to contact the leade was the factor that was responsible for the smaller group size.<br /><br /></div><br /><br /></div></div> </div>	<div class="row">		<div class="col-md-4">			<h1><div class="edit">Legend: Average and standard deviation of five, ten shot, 25 yard groups. SIG 225, Saeco 377, 120 gr., 2/6 alloy, BHN 16, sized 0.357, Orange Magic lube, CCI 500 primers, 3.1 gr. Bullseye, 940 fps.  <br /><br /></div><br /></h1>		</div>		<div class="col-md-8">			<img 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">		</div>	</div>]]></content:encoded><pubDate>Mon, 10 Feb 2020 02:47:19 GMT</pubDate><guid>http://castbulletassoc.org/blog/article/2020/2/190/seating-depth</guid></item><item><title>Muzzle Pressure And Cast Bullets</title><link>http://castbulletassoc.org/blog/article/2020/2/189/muzzle-pressure-and-cast-bullets</link><description>      By Kenneth Mollohan    , Fouling Shot 131 Jan-Feb 1998.When I started my series of articles, I promisedto take a crack at some of my own favorite theories. Let me tell you about thetime I discov....</description><content:encoded><![CDATA[<div class="row clearfix"> <div class="column full"> <br /><br /><div class="edit"><div> <table cellspacing="0" cellpadding="0" hspace="0" vspace="0" align="left"> <tbody><tr> <td valign="top" align="left"> By Kenneth Mollohan<br /><br /> </td> </tr> </tbody></table> </div></div>, Fouling Shot 131 Jan-Feb 1998.<br /><br />When I started my series of articles, I promisedto take a crack at some of my own favorite theories. Let me tell you about thetime I discovered what <br /><br /><div class="edit">discovered absolutely nothing new or revolutionary. It just showed me what I&#39;d already known. I found that lighter bullets went faster than heavy ones and that cast bullets seemed to work best with small cases and long barrels, which comes as a shock to nobody. It was almost a total waste of time, but it did manage to focus my attention on those things I knew, but just hadn&#39;t thought about very much.<br /><br /> I noticed that the highest successful velocities were reported with bullets having the lowest sectional densities. That was interesting, and some work with low SD bullets gave some very good results. I could add several hundred fps to the speed of my .30-06 and still maintain decent accuracy if I used low SD bullets. Granted, the low SD slugs were of limited usefulness, but they were fast.<br /><br /> I also noticed that I could load a plain-base bullet in a small case to pressures far beyond those practical in a large case. You can load a bullet to 40,000 psi in a Ml carbine yet that same bullet is a total failure at 30,000 psi in a .30-06. You can use bullets from the same mold, cast at the same time from the same pot of metal without changing a thing. I realized that this could not be true if failure was the result of base upset from the pressure. The strength of the bullet would have to depend on the size of the chamber behind it instead of it&#39;s own alloy composition, and that is simply not possible! Still, more powerful loads continued to fail, so pressure was obviously involved. But how?<br /><br /> When I added the success of long barrels and small cases, I realized that both of these mean high expansion ratios, and high expansion ratios mean relatively low muzzle pressures. Also, the slower powders that work better with hot loads have a flatter pressure curve which translates to a maximum velocity for a given pressure level. Could it be that failure or success of a cast bullet load depended on the muzzle pressure? A dependency on muzzle pressure would agree with the success of small cases and long barrels and keep pressure as a factor.<br /><br /> It seemed that I was on to something, but I had no way to test my muzzle pressures, or did I need to? Eventually I realized that Lyman had already done the tests for me and published the data in their reloading manual; or almost anyhow. Would it be <br /><br /><div class="edit">possible to translate Lyman&#39;s peak pressures into a good estimation of muzzle pressures by using the Ideal Gas Laws? There were some factors that I couldn&#39;t figure out how to deal with, like frictional losses or heat lost to the barrel, but they seemed likely to be fairly constant from one barrel to the next and I could therefore ignore them safely. Burning rates and similar uncontrollable factors could be held constant by just comparing data for a single powder and buJJet. By golly, it worked! I<br /><br /> couldn&#39;t calculate absolute muzzle pressures values of course, due to the influence of unknown factors that I could only deal with as constants; but the Lyman data indicated that cast bullets failed when muzzle pressures exceeded a surprisingly uniform relative value, and that value didn&#39;t seem to change much from one rifle to another, or even from one caliber to the next. I even took Lyman&#39;s maximum load data for IMR 3031 and their #311291 bullet in the .30-06 and, using the Ideal Gas Laws, I back calculated a maximum load for the same powder and bullet in the .30-30 Winchester. My prediction was less than a quarter grain of powder from Lyman&#39;s published maximum load. You just can&#39;t get much better than that! I had finally solved the great mystery of what caused cast bullets to fail at high velocities. It was muzzle pressure and I had the scientific proof! I didn&#39;t know the how yet, but boy, did I have the what pinned down cold!<br /><br /><div class="edit">That is the "logical and reasonable" part of my pet theory. The but wrong" part came when that darn Col. Harrison flushed all my hard work and fine ideas right down the drain with his work with paper patched bullets in the .300 Magnum. He got good accuracy without gas checks at muzzle pressures far above what I&#39;d proven was the maximum that cast bullets could stand, even with gas checks. His results destroyed my theory about muzzle pressure just as completely as it wiped out the guys who prattle on about loss of accuracy being due to base upset.<br /><br /> Where did I go wrong? I still haven&#39;t figured that out exactly. I worry about it sometimes, but just haven&#39;t had time to go back and dissect it all over again. My suspicion is that muzzle pressure is the right basic idea, but I misread the significance of what I discovered. I assumed that muzzle <div class="edit">pressure was somehow deforming the base of the bullet as it exited the muzzle, or variations in the muzzle blast were just kicking the slug a trifle off course by a few degrees of angle.<br /><br /> My data was good, the logical sequence seemed unassailable, and my mathematical calculations were right on the money. The fact that the theory works so well for lubricated, gas-checked bullets shows that it does have some merit; but, the fact that it doesn&#39;t work worth a hoot for patched bullets proves that its basic explanation is obviously wrong; and history has a way of discarding obviously wrong ideas without worrying too much about why they&#39;re wrong.<br /><br /> In hindsight, I believe my mistake was failing to consider other explanations for my data. For example, I now realize that my critical muzzle pressure failure point could also be read as the pressure level above which gas blow-by and etching of the bullet in the bore becomes serious enough to destroy accuracy. It seems likely that Col. Harrison sidestepped that problem by preventing etching with paper patches, and thereby showed that I was no better than the ancient fusiliers who believed in infernal propulsion. Like them, I had a detailed explanation for my observations that was perfectly logical <img width="10" height="2" src="file:///C:/Users/Browns/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg" v:shapes="Picture_x0020_396030">and wrong.<br /><br /> So I have learned to be very careful indeed, not to confuse "reasonable" or "logical" with "right&#39; <img width="2" height="4" src="file:///C:/Users/Browns/AppData/Local/Temp/msohtmlclip1/01/clip_image004.jpg" v:shapes="Picture_x0020_43128">any more. But doggone it anyhow, that was the first time since I was a teenager that I really thought I had it all figured out!<br /><br /></div></div><br /><br /></div><br /><br /></div><br /><br /> </div> </div>]]></content:encoded><pubDate>Wed, 05 Feb 2020 02:31:57 GMT</pubDate><guid>http://castbulletassoc.org/blog/article/2020/2/189/muzzle-pressure-and-cast-bullets</guid></item></channel></rss>