It also retains energy at those longer ranges so it hits harder at 100 yards than the 9mm does at the muzzle. Article ~ Tom Mchale I want to see a heater caliber debate go on, and it doesn't seem the caliber corner has much debate or discussion going on. .357 SIG debuted in 1994 and it was hoped by its developers to be an even better alternative to 9mm than .40 S&W. Both are fairly snappy if shot from similar firearms. P320 in .357 Sig vs. .40 S&W. To get a full picture on how .40 S&W and .357 SIG came to be, we need to go back to the year 1986. Though this generally isn't really a concern for concealed carry or most defensive situations, it's worth mentioning. But, here are some undeniable truths: If you want to look up the ballistics of various offerings from several manufacturers, be my guest. The .40 wins in this category. Both options had some loads stick in the FBI's sweet spot for penetration depth, though .357 SIG is more prone to overpenetration. The quest was to come up with a round they could depend on when the chips were down. This could give you the chance to try out both and see which one you like without the full expense of another pistol. .357 SIGs high muzzle velocity and relatively high pressures causes increased wear on handguns compared to other calibers. Created by SIG Sauer, 357 Sig ammo is basically a necked-down .40 S&W round that loads a .355-inch-diameter bullet. The .357 SIG cartridge was patterned in part after its predecessors— It had a similar case length as 10mm and a bullet diameter equivalent to 9mm. Firearms used: M&P 40 Pro series. The topic of muzzle flash isn’t something I typically cover when comparing handgun cartridges, but it does become an interesting point of discussion when comparing .357 SIG with its competitors. Join Our Mailing List for special offers! 357 SIG uses 9mm bullets which are less expensive than 40 … However, I’ve also come across interesting anecdotal reports online from police officers, who argue that the powerful muzzle flash and blast from the .357 SIG cartridge was effective at causing “psychological stops” (a psychological stop is an involuntarily psychological reaction, wherein an attacker’s body stops physically working even though he may have not been hit by a knockdown shot. 0 Kommentare Abschicken Einloggen E-Mail. This will give us a clearer picture on how each of these calibers came to be, as well as provide insight into their rise and fall in popularity. What does the .357 Sig have that the .40 S&W doesn’t? Can you please define the word best please. Let’s take a look at terminal ballistics. The 357 sig is a 40 S&W necked down to .355 their main differance is you cant load the heavy bullets 147 grain max you also cant load cast bullets in them . So why didn’t law enforcement agencies and concealed gun carriers all across the country just adopt the .40 S&W and call it a day? Stopping Power and Ballistics. As we can see in the images above, .357 SIG loads have a significantly higher muzzle velocity than .40 S&W. It has been adopted by many state and federal law enforcement agencies and in fact, at its inception the Federal Borough of Investigations actually went to Smith & Wesson with their own specifications for what they wanted in a pistol cartridge. Higher muzzle velocity can play a role in increased stopping power, but it comes with other more notable advantages we will expand on in the next section. .45 ACP was thought to be the likely replacement caliber at the onset of testing, but ultimately the FBI elected to go with the 10mm Auto cartridge. You don’t want your everyday carry to jam during a life and death encounter. So you see both rounds are good rounds. This met all the FBI requirements based on the testing they did simulating typical environments in which their agents could find themselves. When your average shooter is picking his every day carry, he needs to take the cost of practice into consideration. The 10mm Auto, itself the magnum-level mother cartridge of both the .40 S&W and the .357 SIG, can push a slightly heavier 135-grain bullet at a whopping 1,600 feet per second out of a 4.5-inch barrel, but its case diameter measurements are about the same as the other two’s, so as far as ammo capacity, typical 10mm 1911 single-stack mags can also hold 8 to 9 rounds. .357 Sig has a lot of devoted fans, but just as many shooters seem to have a hard time understanding what makes this cartridge special. The FBI had been steadily replacing .38 Special revolvers with 9mm at this point, but in the aftermath of the shootout the efficacy of 9mm was being brought into question. There is a ton of information out there comparing different load formulas. So let’s get started. This is the same factor that ultimately ended .40 S&W’s chance of being the world’s most popular defensive handgun caliber too. Today on Kentucky Ballistics we have 9mm, 357 Sig, 10mm and 5.7x28mm vs pine boards! 6) COST OF RELOADING – 357 SIG is less expensive than 40 S&W. As the name suggests, the .357 SIG cartridge was designed to have similar ballistics to the .357 Magnum cartridge, which would make it more powerful than 9mm and .40 S&W. Es handelt sich also um eine Flaschenhalspatrone, die ähnliche Eigenschaften wie eine Gewehrpatrone aufweist. Conversely, a bullet should not penetrate beyond 18 inches as it will then run the risk of overpenetration. This is a discussion on .357 SIG Vs. .40 S&W within the Ammo and Reloading forums, part of the Gun Forum category; Just a thought. If anything, the 10mm defeats the very … Perhaps the most notable difference in performance based on the graphs above is the generally higher muzzle velocities achieved by the .357 SIG loads. The.357 Sig is more expensive to shoot. So what happened with .357 SIG? I asked him his opinion on the two rounds. This generally leads to .357 SIG ammo being significantly more expensive than .40 S&W and other calibers, particularly when talking about practice ammo. Now that we’ve covered some background information on .357 SIG vs .40 S&W, let’s dive into a side by side comparison of these two calibers. The ideal man stopper will use all of its energy in the intended target and not pass through. 4.25" barrel M&P 357 4.25" barrel M&P 9 4.25" barrel M&P 45 midsize 4" barrel. Hopefully the information in this 357 SIG vs 40 S&W comparison helped you decide which caliber is right for you. .357 SIG is also more accurate than 9mm and .40 S&W, but those calibers are accurate enough in most … .40 S&W and .357 SIG each still have a loyal following even to this day, largely among law enforcement agents who were issued this cartridges back in the 1990s. The .357 Sig reigns supreme on these barrier penetration tests followed by the 9mm as a close second. So there is economies of scale if you load more than one of these calibers. One of the key factors to the .40 S&W cartridge’s early success was due to its adoption by Glock. It has been proven over time that the .40 S&W is superior as a one shot bad guy buster. .357 Sig vs .40 S&W I've owned both calibers in Glock models. The best way to examine any potential differences in power between the 9mm and .357 SIG is by comparing ballistics gel testing data. One FBI report summed it up best: “The Ballistic Research Facility has conducted a test which compares similar sized Glock pistols in both .40 S&W and 9mm calibers, to determine if more accurate and faster hits are achievable with one versus the other. This flat shooting, hard hitting, and accurate cartridge would be adopted by several major law enforcement agencies over the next two decades. A bullet that overpenetrates is dangerous as it may potentially hit an innocent bystander located behind the target. So to combat this, they took the 10 mm cartridge (which debuted a few years earlier), necked down the casing to accommodate a 9mm projectile, and stuffed a 125 grain bullet in it. The FBI likely knew that 10mm wouldn’t be an effective long term solution, and for this reason they put in a request with Smith & Wesson to develop a brand new cartridge, one with similar ballistics of 10mm, but with more manageable recoil. In a situation where a law enforcement agent would have to bust through a windshield or car door, the .357 Sig has performed better in these tests. He doesn't have a college education, for that matter he doesn't have a high school education, but I trust his knowledge and experience where ballistics are concerned. Magazines will freely interchange between the two cartridges in most pistols. The 9mm provides struggling shooters the best chance of success while improving the speed and accuracy of the most skilled shooters.”. 40 S&W and the .45 ACP, you get no extra performance with the added recoil you get from those 2 rounds. The biggest knock against .357 SIG vs .40 S&W and other calibers is its availability and price. It is a darn good round in performance and handling but for me, it's not worth adding yet another caliber for me to inventory in ammo and rloading equipment. We plan to help you answer all those questions, this time around, we'll discus .40 S&W vs .357 Sig, two very capable self-defense cartridges. For starters, there's not many firearms manufacturers who make handguns chambered in .357 SIG. The 40 does OK. 40 S&W vs. 357 Sig vs. 9MM vs. 45 ACP (Part 2) (FMJ Aluminum Test) Penetration test between the 40 S&W, 357 SIG, 9MM, and 45 ACP. Yes, the 357 Sig ammo is more costly and less ubiquitous. Both options had some loads stick in the FBI's sweet spot for penetration depth, though .357 SIG is more prone to overpenetration. 34. It can also have significant muzzle flash, a somewhat rare problem for handgun loads. The.357 SIG can also be loaded to higher pressures than the.40 S&W. For this shooter it was always to close to tell. THIS IS THE LINK TO PAUL'S NEW PATREON ACCOUNT.https://www.patreon.com/user?u=5769301 To date, the majority of the study participants have shot more quickly and more accurately with 9mm caliber Glock pistols. Why the need for the .357 Sig? .357 SIG achieved some early success after being adopted by several state-level law enforcement agencies, who later reported that the cartridge performed well in the field. … The tapered shape of the cartridge is perfect for feeding from a magazine in a semi-auto pistol. Because no cartridge is perfect. .40 S&W.357 SIG. Yes, the 357 Sig has similar ballistics to the 357 Mag. The cartridge had close to identical dimensions to the 10mm, but with a shorter case and overall cartridge length, making it small enough to fit into the medium-frame of 9mm handguns. Penetration test between the 40 S&W, 357 SIG, 9MM, and 45 ACP.Firearms used:M&P 40 Pro series. Bullet Diameter Expansion - Hollow-point self-defense ammunition is designed to expand or ‘flower’ upon impact with a soft target. In some cases substantially better. Reloading 357 SIG is about the same cost as 9mm. To be honest, that depends a lot for each person. The .357 Magnum is a rimmed cartridge suitable for use in revolvers but its design does not allow reliable feeding in a semi-automatic pistol. It’s running out of the gun faster, and we all know what that means. Which is best: .357 Sig vs .40 S&W? All Magnetic Quick, Click & Carry Holsters. A 357 SIG’s tendency to penetrate farther, however, may become an advantage when a target is … The 40 S&W has got the 357 SIG slightly beat out in terms of average bullet expansion, and the 357 SIG furthermore has a greater tendency to overpenetrate. 357 SIG uses a little more powder than 40 S&W but the difference is a fraction of a cent. Any shallower than 12 inches and a bullet runs the risk of not penetrating an attacker’s vital organs (the FBI has stated that particularly with handgun cartridges, a bullet must penetrate vital organs in order to be fatal). The all-new .40 S&W cartridge debuted on January 17, 1990, and began to gain traction among both law enforcement agencies and civilian gun buyers almost immediately. They are very similar in this regard. FBI ballistics testing during the early 2000s concluded that the modernized 9mm cartridge achieved better bullet penetration than any other cartridge on the market, while also being one of the easiest rounds for agents to handle. We’ll expand on potential performance drawbacks to the cartridge in the following section, but I think it’s worth noting here that .357 SIG is by no means a bad caliber. Pistols with especially strong recoil springs can accept either cartridge with a barrel change. Penetration Depth - According to the FBI, a bullet’s ideal penetration depth in standardized ballistics gel testing is somewhere between 12 to 18 inches. During this time, calibers like 9mm and .45 ACP had already been in the market for nearly a century, and they had already established themselves in military and law enforcement. It looks similar to a .30 Luger, but larger in overall size. Like the .40 it’s snappy, but at least it has a reason to be. There are two major data categories here we want to analyze: penetration depth and bullet diameter expansion. Personally, I am not sure if it is the necked down casing or the lack of popularity that is driving the cost, but the.357 Sig costs roughly twice what.40 S&W ammunition does. It was a time denoted by several advancements in ballistics technology, which helped shaped popular cartridges like 9mm into what they are today. Create an account with us and you'll be able to: Fill in your email below to request a new password. The following ammunition cartridge ballistics information and chart can be used to approximately compare .357 Magnum vs .40 S&W ammo rounds. There's also fewer ammunition manufacturers with a line of .357 ammo. Most .40 S&W pistols can be converted to .357 SIG by replacing the barrel, but sometimes the recoil spring must also be changed. Thoughts... With the. Of course, these are commercial defensive loads, and any idiot with a Rock Chucker Master Starter Kit can make a hot load to “prove me wron… In this comparison guide we will be taking a look at two such calibers: .357 SIG vs .40 S&W. They based their cartridge on reduced recoil 10mm loads. The final nail in the coffin for .357 SIG was the notable improvements in ballistics technology that led to the revolution of the 9mm cartridge. A round that passes straight through does not maximize the expansion and shock that a slower, heavier round does. To make a fair comparison, we’ll look at the results for the Federal 124gr HST in 9mm vs. the Federal 125gr HST in .357 Sig, and the Hornady 135gr Critical Duty +P in 9mm vs. the 135gr Critical Duty in .357 Sig. Yep, I did it. They needed to be able to shoot accurately and have enough punching power to take care of business. I like the fact that I can get more energy out of a .357 sig than a .40 who’s fastest round can’t catch up to the slowest .357 sig as it lags behind almost 50ft/s. .40 S&W meanwhile continued to grow in popularity throughout the 90’s, and then in the 2000’s a new and improved 9mm re-established itself as the best all around semi-automatic handgun cartridge in the world. By 1990, the new wave of lightweight polymer pistols had begun to take a foothold on the firearms market, with Glock leading the way. Thus the .357 Sig was born. Something went wrong. You see the local police forces across the country were slowly replacing their trusty revolvers with auto loading pistols. There are conversion kits that can easily change your existing Glock 32 or SIG Sauer p320 chambered in .40 S&W to .357 Sig and vice a versa. The 1990s was a fascinating of period of time in firearms history. The only company that makes brass is star and it isnt always easy to find . Somewhat similar to the temporary incapacitation caused by flashbang grenades). So with all this going for it, why doesn’t everyone chuck the .40’s and switch to the .357 Sig? For us veteran pistol shooters that might be just part of the fun. Alles für die Jagd Attraktive Preise Schneller Versand Gratis Versand ab 100-,€ I could see why some law enforcement agencies out West would more likely be in an altercation requiring additional range than a city police officer back East. The .357 sig is more likely to go through the home invader, through the kitchen wall, and into your neighbor’s house. .357 SIG Vs. .40 S&W. Government agencies may not have the same litmus test when deciding with which cartridge they are going to equip their officers. 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