Nice try; no cigar. I don’t seem to hace a need for a Mag. Handgun Calibers Comparison: From Smallest to Largest [2020] But in 2018, demand is higher and the 10mm is finally getting its due as an excellent hunting and defensive cartridge. Legal Disclaimer, Tip:click on product names above to see full test results. I have been using S&B primers for some time now and they have always performed well for me. I loved the 10mm, in both its full-pressure and FBI guises. The forty-caliber cartridges, .40 Smith & Wesson and its longer cousin, 10mm Automatic, offer larger, heavier bullets than most pistol cartridges without sacrificing too much in the way of velocity. Like with any boxing match, there is more to the story and the opponents that is sometimes not taken into consideration. There are also 7 and 8 round 357 revolvers like S&W’s TTR8 swat revolver (used by police holding shields because of potential semi-automatics malfunctions where the action can get hung up on the shield). (Springfield XDM 10mm) these XDs hold 15 rounds. By the 1920s, American law enforcement turned away from their various 32 caliber revolvers then common in service for the much more powerful 38 Special cartridge. How about throwing in a good .45ACP into the mix with a Hornady 200 grain XTP bullet? The 10 performed as advertised and its extra velocity helped to flatten out the projectile. u/Bank_Gothic. That would eliminate the variable associated with a revolver. In our head to head contest, I selected the same brand of ammunition with as close to the same weight of bullet as possible. You can also click on the graph that shows the penetration depth to get a photo of the actual bullets in the ballistic gel. In most cases, the 4.6-inch barrel of the Glock 20 will boost a bullet’s velocity by an extra ~40-90 feet per second compared to a subcompact barrel that’s an inch shorter. There are a LOT of 10mm tests and a few .357 mag. I hope you enjoy the video and thanks for watching! Our 10mm test gun is a Glock 20 Gen 4 with a 4.6-inch barrel. The 357 performed better with superior penetration. The 357 would have passed more easily through bone and skin , with the 10mm succeeding as well, but bone will have deformed both, preventing expansion and causing excessive penetration. The downside of going this route is that our 10mm results are not directly comparable to our other test results. * - indicates bullets that failed to retain an average of at least 85% of their initial weight. What good does it do to have a gun that will have you soaking your gun in epsom salt? May be they could have bought them out in 44 AMT or 45 Mag So if you want to compare the results from our .380, 9mm, .40 S&W, or .45 ACP tests to the 10mm results below, just keep in mind that the 10mm has an “unfair advantage.” At some point in the future, we may re-test the other calibers using service size pistols and we might even come back around to 10mm and run some short barrel tests, but there are a few other calibers we’d like to test first. Well, it only took five hours or so. Springfield is offering both 4.5 and 5.5 length 10mm with its XD platform. Having the extra penatration allowed me to stop a crazy bear. That said, unless you are shooting something small and squishy, a big, heavy, slow bullet is always best. Really? I know; I’m an old man shouting at the clouds. Taking all that into consideration, here are optimal 10mm uses: 10mm ammunition is hard to find and when you find it, it is often more expensive per box than 357s. Without talking about the numbers, both calibers are very impressive for power. Since its development in the 1980s, the 10mm found sudden popularity only to stagnate and shrink, but now the 10 is back with more pistols and ammunition than ever before. Five of the eleven loads we tested met the FBI criteria for penetration and also exhibited good expansion. However, if you choose the 10 you gain the inherit advantages of automatic pistols, greater ammunition capacity and simpler reloads. This allowed it to penetrate deeper despite its lower velocity. 10mm and 357 are both still small enough that they need to hit the CNS or the brain to immediately incapacitate aggressive targets human sized and larger, and at close range still require retention shooting and flash site picture shooting to dump rounds center mass (or a big bear head) until the threat is stopped. After all the good Lord provided me with two hands. Under his motto-Guns, Never Politics-he tackles firearm and reloading topics both in print and on his Mark3smle YouTube channel, where he got his start. Go carry that huge bulky 357 revolver with 6 rounds. You’ll find a need for those two gelatin blocks. We can see in this head-to-head that the 10mm retains a very slight advantage in terms of energy, but the 357’s overall longer bullet gives it the edge for penetrating power. the average 10mm shooter like myself shoot a glock 20 with a 4 inch barrel or 5 to 6 inch 1911’s. I needed to double up. The short barrel does not do the 10mm justice. So no, I don’t hate semi-autos… Read more ». It seems like the extra penetration of the .357 mag round might be desirable for larger game. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. I know of no 10 mm shooter… Read more ». Ammunition: Sellier & Bellot 10mm 180gr JHP. Revolvers just work. The 10mm was developed by an FBI Colonal. A fairer comparison for the 10mm is the original magnum cartridge, the 357 Magnum. The purpose of ballistic gelatin testing is to determine how a bullet can be expected to behave when it enters soft tissue. I view both rounds as being too close to call and ymmv. Is that correct? For self defense, both are overkill (self defense, not urban combat!). The author appears to have done a thorough job within the confines of his testing, but this is like comparing the .270 and .30-06, then limiting the ’06 to 150 grains to make all factors equal. I’ll give him an “A” for effort but I’m afraid this test doesn’t prove much. Despite increasing demand, 10mm pistols are hard to find and they tend to cost a premium when found. Additionally, I’m not certain what ammo from the same manufacturer is supposed to imply but if it is that both loads are identical other than caliber, I doubt that is the case. © 2009-2020 LuckyGunner, LLC. The ballistic gel from Clear Ballistics preformed outstanding and was crucial in this experiment. I win! Higher pressure 38 Special revolvers and larger handguns to handle the round resulted until it was decided to develop a brand-new cartridge, the slightly longer yet much more powerful 357 Magnum. The cost for the 4.5 is about 560.00 and the 5.5 675.00. I wonder which is worse, California or Maryland (couldn’t figure out how to Communize MD.). Each shot was fired from a distance of ten feet and we used a four-layer heavy fabric barrier to simulate clothing. Good article. While both are overkill for deer broadside, a quartering shot or front-shot the deep penetration is useful if shooting from the front (I won’t take a shot with medium a handgun if the deer is facing directly away). It may be a long way from cracking the top five, but 10mm is more popular today than ever before and we’ve had numerous requests to add this caliber to our gelatin tests. The author writes that “It was found that the new 10mm pistols were hard to control and the round was downloaded and eventually necked down to make the 40 S&W round.”. Have both and love both. Which one is more powerful depends more on the individual builds (what cam, heads , intake and exhaust systems are used) of the engines being compared , than the basic designs. I selected three loads, all with bullets weighing 200 grains, and covering both high-performance hollowp… It appears time is the 357’s best friend and why I give it the edge in the contest. I do not know why hollowpoints were chosen for a test where more penetration is considered the winning factor. : ), Check out the Kentucky Ballistics test of four different Underwood loads of these two cartridges.from comparable sized guns. As a result, And also because of the ammo capacity advantage, my choice for a woods gun is a 10mm Glock Model 20SF loaded with 16 rounds of the Underwood 220gr LFN even though the 41 magnum is much more powerful than either the 10mm or the 357 magnum and would be the undisputed winner of the “Higher-Energy on Target” race. And yes I could do a better job. 10mm has recently gained some popularity as a hunting cartridge for small to medium game, and it also comes up often in discussions about “wilderness defense” against bears, wild boar, or other potentially dangerous animals. Recoil would be heavier, follow up shots slower, and the heavier bullet is going to excessively penetrate. 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