[bc-description action="new description"] Technical Information Caliber: 357 Sig Bullet Weight: 125 Grains Bullet Style: Speer Bonded Jacketed Hollow Point Case Type: Ducta-Bright 7a Nickel Plated Brass Ballistics Information Muzzle Velocity: 1475 fps Muzzle Energy: 604 ft lbs [bc-description action="end description"] Sponsored Post. The .357 SIG also features a bottlenecked design, which is easier to load into the barrel chamber of your pistol and has the added perk of traveling at an increased velocity. It is based upon Smith & Wesson's … And finally, saying the 9mm +p+ and +p++, etc "approach" the ballistics of the 357 SIG and/or MAG would be akin to making the claim that a 357 MAG fired from a lever action carbine "approaches" the muzzle velocity of the 223/5.56mm. Velocity. While I agree that a .357 Sig. The .357 Sig is way ahead at 506 ft.-lbs. Mr. Walsh showed us the new Corporate Arms SMG AR-format submachine gun and semi-auto-only carbine, which takes Glock magazines, and is avaliable in 9mm Parabellum/9x19mm NATO, .40 S&W, .357 SIG .45 ACP and 10mm Auto calibers. More Range Life. has a 5,000 PSI greater max pressure than the .40 S&W, at 35,000 PSI. It’s a bottleneck cartridge, basically a .40 S&W necked down to .357. The .357 Smith & Wesson Magnum, .357 S&W Magnum, .357 Magnum, or 9×33mmR as it is known in unofficial metric designation, is a smokeless powder cartridge with a .357-inch (9.07 mm) bullet diameter. Trusted by law enforcement for decades, now Just Right Carbines offers that same .357 Sig power and performance in a Glock magazine Home Defense Carbine. As well it should have. Gun used: Springifled XD Service model (4″ barrel) chambered in 357 Sig Dies used: Lee Precision 3 die set for 357 Sig, Hornady 9mm bullet feed die, RCBS 40 S&W carbide sizing die, and Lee Precision FCD Press used: Lee Precision Load Master + Lee Reloading Press (the Load Master only has 5 stations so I put the FCD in the single stage) I don’t really know why, I just think it’s cool. Last week we tested Sig-Sauer .357mag 125gr V-Crown from a revolver. Home / Handgun Ammo / 125 Grain American Eagle 357 SIG FMJ – 50 Rounds. The .357 SIG is a necked down 10mm, or a a necked down .40 S&W depending on how you want to look at it. .357 Sig.357 Mag.40 S&W; 10mm.41 Mag.44 Special.44 Mag.45 ACP ('08).45 ACP ('15).45 Colt.45 Super.460 Rowland.223 Rifle Acknowledgements. In my testing of 9mm and .40 S&W carbines, the increased velocity (as compared to typical handguns) from the longer barrels can be significant. Perhaps unsurprisingly, it did not do well. ToddG. If your goal is to get high penetration, the .357 SIG round is the more powerful option when compared to the .45 ACP round. I thought that higher velocity was everything I wanted when I started handloading a variety of powders and bullets for a .357 Magnum Uberti Lightning Short Rifle pump action with a 20 … The Sentry 12: A New Kind of Shotgun. The .357 SIG (designated as the 357 Sig by the SAAMI and 357 SIG by the C.I.P. Tim. 11-19-08, 20:03. With light loads, it boosted a truly anemic .38 Special cowboy load up to +P velocities, and it gave the .38 Special +P equivalent load a 20 percent velocity increase. Critical Duty 9mm vs. 357 Sig Comparison That would/could affect minimum chamber wall thickness and breach-block weight. Inescapably, the .357 Sig is a much more powerful cartridge. entry would be a lot easier because it could be "based" more easily upon the existing .40 S&W entry, one thing to remember is that, at 40,000 PSI, the .357 Sig. Since those humble beginnings, JRC now has more than 45,000 firearms in the field and an ever-growing group of devoted followers. Both were designed for semi-automatic handguns, both use a projectile that has a diameter of 355/1000 of an inch, and with modern bullet designs, i.e. The P229 was the first model made at Sig’s U.S. plant in Exeter, New Hampshire, and it’s one of the company’s most popular models as a mid-sized pistol that works well for open and concealed carry. Why the .357 SIG is So Amazing. I have zero experience with the .357 SIG, it seems to be a "cult" cartridge, like the .41 Magnum-which I like. If you want power and performance in an autoloading pistol, then the Hornady Critical Duty .357 Sig delivers. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. Which is More Powerful .357 SIG or .45 ACP? A .30 Carbine from an 18" barrel yields roughly double the energy of a .357 magnum from a revolver. Just Right Carbines began in Upstate New York with the goal of engineering a simpler, accurate, more reliable and flexible carbine using common pistol calibers and popular magazines. In this article I will be comparing two kinds of similar but very different handgun calibers: the 9×19 Parabellum and the .357 SIG.. Aero Survival Rifle - 357 SIG Velocity Testing Brian performs velocity testing with our Aero Survival Rifle 357 SIG Prototype. 125 Grain American Eagle 357 SIG FMJ – 50 Rounds $ 41.99. That does not make it … This round was created back in 1994 not so very long ago, and was designed by SIG-Sauer. Rimfire Power. This a chart with several 357 Sig Factory Rounds measured with RCBS ammo-master chrono at 2-3 yards and ballistic gel target at 8 yards. or 9×22mm in unofficial metric notation) is a bottlenecked rimless centerfire handgun cartridge developed by the Swiss-German firearms manufacturer SIG Sauer, in cooperation with ammunition manufacturer Federal Cartridge Co..The cartridge is used by a number of law enforcement agencies and … The 9mm vs. As illustrated in the chart, 10mm Auto rounds - on average - achieve a velocity of about 1200 feet per second (fps) while .357 SIG rounds travel at a velocity of 1380 fps. December 14, 2015. This technology utilizes the hyper velocity to transfer enormous energy based on mass-energy equivalence, E=1/2MVSq. However, it becomes a much fairer fight when the .357 magnum is chambered in a carbine. Categories: 357 SIG, Handgun Ammo Tag: 357 sig. Weighing in at a total of 6.5lbs and two inches shy of three feet in length, it’s a breeze to carry all day, and maneuvers easily in the tight Dewberry thickets and cedars, where I find most of my hogs. The test gun we chose is a Gen 3 Glock 31 with a 4.49-inch barrel. The .357 SIG is simply a .40 caliber Smith and Wesson necked down to 9mm. The .357 Sig is a very fast round much faster than the 380, 9mm, 40, 10mm,45 ACP, and even the large 357 Cartridge. This ammo is available on our partner site by clicking the below buy button. That was not the real velocity, of course, but that was what everyone used as their goal, their aspirational speed, if you will. The new guns will be chambered in 10mm and .357 SIG. See below for details on the .357 SIG Just Right Carbine. The cartridge designed to allow for near-.357 Magnum ballistics in a semiautomatic pistol deserves your consideration for self defense. It's really just that simple. Brian performs velocity testing with our Aero Survival Rifle 357 SIG Prototype. The Henry Big Boy Steel carbine in .357 Magnum/.38 Special may the handiest little rifle in the history of the world ever. The .357 Magnum is a useful and fun cartridge when fired from a revolver. P229 Nitron .357 SIG. The very short neck is designed to use 9mm/0.355″ bullets but this does not mean .357 SIG cases can be made from .40 S&W brass. ... Muzzle Velocity… for 125 grainers and 490 for the 147-grain bullets. As such it has a devoted-but small-following. With JSPs or JHPs, the M1 carbine has ample stopping power against ne'er-do-wells within reasonable ranges, as does the .357 magnum. Velocity Range: Varies by Case – PMC 903 fps average – S&B 888 fps average – Winchester 915 fps average Produced .310″ 3 Shot Groups at 100 Yards with S&B Case Shot out of our .357 Magnum Chamber Slide velocity is usually slower with most .357 SIG rounds vs. .40 and should be easier on the frame as a result. The projected velocity of the 125 JHP was 1,450 fps. One things is for sure about the .357 Sig cartridge: velocity makes a big difference. However, I’ve also seen that velocity increase is widely variable based on the load being measured. Higher velocity and pressure may wear out the barrel marginally faster, though. In .357 SIG, it carries 12 rounds in its steel, double-stack magazines—twice what a traditional six-shot .357 Magnum totes. By Tom McHale. Latest. .357 Sig (center) was developed from a 10mm case (right) necked-down and shortened to accept a 9mm bullet (left). I think that 9mm SIG would have went over like a lead Zeppelin so the .357 SIG moniker was chosen, obviously to play upon the legendary .357 Magnum. V-Crown has a history of failing to expand when fired through heavy clothing and even at .357 mag velocity it still failed. It’s tough to find a .357 Sig load that doesn’t expand, even after encountering barriers..357 Sig is my favorite pistol cartridge. Since the .357 Sig is a necked down 40 S&W a carbine using interchangeable barrels-like the SIG SHR-makes sense to me. .357 Carbines Rock. It was created by Elmer Keith, Phillip B. Sharpe, and Douglas B. Wesson of firearms manufacturers Smith & Wesson and Winchester.. Given that the system pressure of each cartridge is fixed to some value determined by SAAMI, any increase in bullet weight or velocity will both increase the muzzle energy, but will also increase the chamber pressure. Try finding a Marlin M1894 in 41 Magnum. With the loads we tested, the extra barrel length of the .357 carbine paid handsome dividends. Buy. The .357 SIG. Shot from the longer barrel of a rifle, though, the .357 shows a pronounced improvement in velocity and trajectory. My first experience with the .357 SIG … (thats where the name comes from). jacketed hollow points (JHPs) and jacketed soft points (JSPs) both … Test Gun: Glock 31… kind of. The .357 SIG has been around now for about 25 years. 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