How are you getting the Elco to seat at 1.140" COAL with any neck tension. 357 sig Once fired reloading brass from law enforcement and civilian ranges. Thanks a ton keep up the awesome work. Pistol; Rifle; Cowboy; GR. I think you have solved a problem Ive encountered using my 357 sig reloads in a G32. I've had good results with IMR 800X. With bullets having a standard base I use the Lee Universal Expander and just kiss the mouth of the case enough to allow the bullet to enter. JHPs as an alternative for the .357 Magnum with 158-gr. Heres the load data for the ammunition loaded for this article: Use load data at your own risk. Vintage Boxes - Gear, Shell, Case, Primer, Group Buys Design, Active , Waiting and Archives, Closed Buys/Waiting for delivery/in shipment, If this is your first visit, be sure to The bottleneck only has about 3/16" that grip on the boolit, so a boolit with enough of a top driving band, and a short enough nose for the mags is a necessity. The primary challenge in reloading for .357 SIG is getting through the neck tension issues and finding good boolits. .357 SIG never took off quite how SIG had hoped it would, but it does retain somewhat of a cult following. .327 Federal 10mm Auto.32 Auto (.32 ACP).357 Magnum.357 SIG.38 Special.38 Super.380 ACP.40 S&W.44 Remington Magnum.45 ACP.45 Colt.45 GAP (Glock Automatic Pistol).50 AE 9mm Luger (Parabellum) 9x18mm Makarov If you can find bullets with a cannelure, you can roll crimp the cartridge (because you'll be headspacing on the shoulder). Take a fired case, and measure the distance from the case head to a point about midway on the shoulder. Part of the allure of this cartridge (think of them as the European version The .357 Sig has a reputation for being difficult to reload because inexperienced reloaders have problems with it. When I first started reloading the .357 SIG I began by making dummy rounds to check for overall length. of Massachusetts. *Notehere that you cant form .357 SIG from 40 S&W brass, because youll literally come up short- the 40 S&W case is not long enough to be formed into a .357 SIG case. Sounds interesting doesnt it? If you use bullets made specifically for .357 Sig, the crimp issue becomes less of a problem. The Glock 20 is awesome, but you can have even more fun with the G20 with the addition of inexpensive drop-in barrels for different cartridges. It takes a little extra effort to reload .357 SIG, as first the bullets must be seated and not crimped. Any suggestions for 125 bullet loads? V-Crown JHP bullet. Click on a term to search for related topics. Ive noticed you use the Hornady LNL-AP more than any others Ive seen on your channel / blog. So far Ive tried starting loads with CFE Pistol (5.5 gr) Power Pistol (6.0 gr) and Winchester 572 (6.2 gr) all ran perfect. However, many are returning to the 9mm for many reasons, recoil and muzzle blast being two. The .357 Sig specific projectiles have a longer ogive (bearing surface) and a tighter radius (tangent ogive). Worked for me, JMHO! A forum community dedicated to SIG Sauer Pistols and SIG Sauer Rifles owners and enthusiasts. NEW! This load has a 125-gr. Wilson for his collaboration on this article, and technical insights related to the .357 SIG cartridge. Do you have experiences to share related to reloading for .357 SIG? With Hornady 147 gr XTP bullets Im not even crimping. is that there's a huge selection of bullets available. Cases are usually Starline. My most accurate reloads for the SIG .357 3.9" Model 229 Legion would be the Hornady 124-XTP and 115-XTP, both over 8.7 grains of Power Pistol, (1,330 fps and 1,325 fps); and the Hornady 115-XTP with 13.5 grains Accurate #9, clocking out at 1,374 fps. I did however do quite a bit of research for this project including talking with shooting industry experts in order to optimize my .357 SIG reloads and corresponding workflow. I laughed at what I thought was a Lee POS until I gave it a try. I did this using a Brass is available from Starline, using small pistol primers. The trouble is that a lot of them won't work. Your email address will not be published. I have found the .357 SIG to be relatively straightforward to reload for. This load is duplicated with 8.7 grains of Power Pistol with either the Hornady or Speer bullets. I'm loading for an H&K VP 40 with a .357 Sig barrel which slugs at .357. My Dillon dies do the same. Bullet setback is a problem because the .357 Sig's short neck won't provide enough hold on some bullets. Michael- out here at the Ultimate Reloader outpost (remote location where I can reload, shoot, and film) I only have the LNL AP press and a Redding Big Boss II. Wait a second, isnt the Glock 20 chambered in 10mm Auto? I did form usable cartridges from .40 SW brass . I was able to shoot the gun and experiment until commercial ammo became available. 357 Sig. Heres a high-level summary of whats used to reload .357 SIG: Hi Gavin Along with both Hornady and Speer bullets, John prefers Power Pistol and This .357 SIG drop-in barrel has a rather substantial muzzle profile as you can see in the picture. wrote about my experiences with the Lone Wolf 40 S&W drop in barrel, Lone Wolf 20357N .357 SIG conversion barrel, Hornady Lock-N-Load AP 5-station progressive reloading press, http://montanagoldbullet.com/index.php/9mm-147gr-cmj.html, http://montanagoldbullet.com/index.php/357sig-125gr-fmj.html, https://www.midwayusa.com/product/832282/sig-sauer-conversion-barrel-sig-sauer-p229-40-s-and-w-to-357-sig-1-in-16-twist-39-steel-blue, Subscribe to Ultimate Reloader Reloading Blog by Email, 25 Creedmoor PRS Rifle Build: Start to Finish, NEW: Athlon Cronus 1050 UHD Laser Rangefinder Binoculars, Hornady Lock-N-Load Neck Turn Tool: Unboxing/Setup/Turning, 6.5 PRC Load Development: Bergara Wilderness HMR, WARP SPEED! I bought a Sig 229 in .357 when it was first released. I found out if cases were expanded and belled it was very likely the bullet would drop right into the case. As far as headspacing concerns go, I simply follow the directions coming with the Lee .357 SIG dies. Thanks for sharing John- the Hornady XTP 9mm bullets in 124 and 147 grains worked great, and as mentioned in the article, the LEE Factory Crimp Die works *great* for .357 SIG. One is to use bullets specifically designed for the .357 Sig (such as John uses Speer 115- and 125-Gold Dots, Acme coated 122- and 147-gr. Reloading for the .357 SIG is relatively straightforward, but there are some special considerations that warrant close attention. Reloading for the .357 SIG is relatively straightforward, but there are some special considerations that warrant close attention. Marc - accipere facile, sed sumite! I had a problem with my RCBS dies not bumping the shoulder back so the case would fit correctly in my case gauge. My bullets of choice are the Hornady 115-XTP JHP, 124-XTP JHP and the 147-XTP JHP BT (boat tail). If you tried to form 40 into 357 Sig I think you would only worsen this "shorter" situation. Showing all 2 results. The .357 Sig has a reputation for being difficult to reload because inexperienced reloaders have problems with it. A shooting package that fits in the stock Glock 20 case, but shoots three different cartridges. Before loading a large amount of ammunition its a good idea to make dummy rounds first for checking. 124grn. Search this Thread: Advanced Search. Just bought the RL550 B this past weekend. ALL 90 gr 95 gr 115 gr 123 gr 124 gr 125 gr 147 gr. We use data about you for a number of purposes explained in the links below. Size and flare the neck in the second step. Above you see my Glock 20SF with 10mm Auto factory barrel, the Lone Wolf 20357N .357 SIG conversion barrel(foreground, left), and the Lone Wolf 2040N 40 S&W conversion barrel(foreground, right). When setting them as directed I have had no problem whatsoever with brass headspacing properly. Thanks for the info. I have not had that issue yet when I load 357SIG, but i will remember this. Could you possibly do another quick vid on setting up the dies for the 357 sig? Checking the Black Hills 125-gr. Are the 357sig dies that you used carbide or steel? Introduced in 2016, Hornady BLACK ammunition was designed to fit, feed and function in a variety of platforms, offering versatile loads optimized for One of the oldest names in the gun industry and maker of some of the most famous firearms in the world, Webley & Scott is now operating in India and We look at some of the custom firearms produced in the last four years in honor of the 45th President of the United States, Donald J. Trump. Experience, please enable JavaScript in your browser before proceeding at 15 yards that it headspaces on the.! 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