I can’t imagine any loading bench operating without the … There is a lot of confusion out there about it and where it came from. The .357 SIG has been around now for about 25 years. 41 Rem. I chronograph factory rounds to set a baseline then build loads from there otherwise it's … About. The best .357 Sig load recipe CFE Pistol vs Accurate #9 powder test For those out there that are in love with the significantly underrated 357 Sig cartridge I have compiled some test data comparing 2 different powders against each other. 16 gauge. 357 Magnum. But none of them can match Power Pistol, which pushes a 124 grain bullet easily into the 1400's with "normal" pressure ratings. 22 Caliber.224” Diameter. The round was developed with one goal in mind: Push a 125-grain 9mm projectile to the same velocity - or so close that it makes no difference - as a 125-grain .357 Magnum projectile, when either was fired from a 4-inch barrel. 44 Rem. 222 Rem. ALL Accurate No. Unfortunately the range I went to did not let me setup a chronograph to measure velocity. i tried pp and 9.8 it is over book use at your own risk.shoots great.6 shots in a p35 chronograpy hi 1522 lo 1474 ave 1504 sd 16 .very accurate,thanks,keith. Fast burning and consistent Unique is a very consistent burning powder and it is almost a tossup with the heavier bullets. Numerous modern smokeless powders are double base in construction, containing both Nitrocellulose and Nitroglycerine. Alliant Powder Reload Recipes ← Back. Other powders such a Vihtavouri N350, Hodgdon HS6, Alliant Unique, etc can push the 357 SIG between 1250 - 1350. The brass casing, gun powder, bullet, and primer. I don't load much 9mm, but when I do I use Titegroup and watch the charges really close. The gun’s hammer/striker hits the primer which creates a little explosion that ignites the gun powder and pushes the bullet through the barrel. 223 Rem. Overall I tested 4 different loads using 2 different bullet weights and 2 different powders. 17 Rem Fireball. I started at 1.0 gr below maximum charge per posted specs and worked up by 0.3 gr for an additional 2 loads (I tested 3 loads in total). Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: Handloading, Reloading, and Bullet Casting. 44 S&W Special. LOAD GUIDE FOR RIFLE AND HANDGUN EDITION 3.5 INCLUDES: • The most up-to-date and comprehensive 223 Rem data available • New data for: 30 AR, 30 T/C, and 6mmx45 PO B o x 158 • M iles C i t y, M o n tana 59301 RELOADING POWDERS Gun Care Products Other superior products This high energy powder provides economy in … Hodgdon Data has loads for 357 Sig with Longshot powder for 115, 124 and 147 grain jacketed bullets. 38 Special +P. I've tried AA#7, Unique, and W231 in the past. Our classes are taught by NRA-certified Metallic Cartridge Reloading instructor Jim Finnerty. Essentially, the .357 SIG is a round that uses the same sized bullet as a 9mm round but in a cartridge casing that is similar to a .40 caliber case. Bullet is the Accurate 35-120G. 223 WSSM. For those out there that are in love with the significantly underrated 357 Sig cartridge I have compiled some test data comparing 2 different powders against each other. There’s a couple parts to a standard bullet cartridge. Sounds like you may have had problems with the die adjustments. 357 Sig. I have just finished loading up another batch of .357 SIG rounds using 7.9 grains of power pistol with … 10 gauge. You’ll be preparing the case and putting all these parts together in a reloading press. 357 Sig is a proprietary cartridge developed by Sig Sauer, the ginormous gun company. 20 Caliber.204” Diameter. Of the powders you listed, Alliant Pistol Powder is the best compromise. Powder needs to be stored in original containers ONLY, when not in use. The bullets are powder coated to as not to require lube. 22 Hornet. Magnum. Any powder that's going to be really economical is probably also going to be easy to double charge. Jacketed bullet START loads are safe for cast bullets, HOWEVER the Sig is a high pressure cartridge so DO NOT USE an alloy softer than Hardball Pistol Alloy at BHN 15 for any of … Just guessing since I don't know your situation. The .357 Sig pistol cartridge is one of the most underestimated and undervalued self-defense cartridges ever invented. 20 Nosler. HP38 is a spherical powder that is great for low velocity and mid-range target loads in the .38 Special, .44 Special, and 45 ACP. With a Speer 135 gr JHP, both AA#9 and H-110 will get you over 1200 fps (357 Mag case), Power Pistol or Unique will get … AA #9 powder is used to help remove set back. 22 BR Rem. What is a good powder for loading 158 gr lead SWCHP bullets in .357 Magnum? 6mm Caliber Unique: Select A Caliber or Gauge Below To View Recipes. Rifle Cartridges. Powder Bul Weight C.O.L. 22 Nosler. everything else was identical about the testing. If you use bullets made specifically for .357 Sig, the crimp issue becomes less of a problem. 2 Accurate No. Power Pistol is quite a bit slower and favored with Alliant for this magnum load of the.357 Sig. Being able to use standard pistol primers would also be a plus. it gives more neck tension and a tighter bullet fit. It burns completely and fast. 38 Super Auto +P. Perceived recoil: All 3 powders felt identical. Well there you have it. 22-250 Rem. 204 Ruger. They show 2400 as the best powder to use for reloading the .357 Magnum cartridge. 7 Accurate No. Before I dive into the results, lets set the table with the test variables.Equipment Used:Gun used: Springifled XD Service model (4″ barrel) chambered in 357 SigDies used: Lee Precision 3 die set for 357 Sig, Hornady 9mm bullet feed die, RCBS 40 S&W carbide sizing die, and Lee Precision FCDPress used: Lee Precision Load Master + Lee Reloading Press (the Load Master only has 5 stations so I put the FCD in the single stage)Powder Measure: Lee Precision Pro Auto Disk + charge barCase Prep: Lee Precision case trimmer/length gauge + RCBS hand priming toolCase/Ammo gauge: The Shooters Box gen 2 357 Sig case gauge. The .357 Sig specific projectiles have a longer ogive (bearing surface) and a tighter radius (tangent ogive). 2 Accurate No. I have just finished loading up another batch of .357 SIG rounds using 7.9 grains of power pistol with … 38 Special. I have a couple 357 Sigs, and I have tried Power Pistol and LONGSHOT with 124 gr bullets. (EDC) and vow to never go back to carrying anything else.. There's a whopping 0.3 grains between the book's starting and max loads, and a double charge would fit inside a … promoting the American vision of self defense standing up for one’s rights, preserving liberty for all, and for providing a better sustainable life style for, How to upgrade Lee Precision Powder Measure Chain, Why every reloader needs a single stage press, Battle of the case trimmers (WFT 2 vs Giraud vs Trim-it 2), How to install Lee Precision Charging Die, My Collection of Bullet Data for Reloading, The $28 bullet feeder redux – it’s now $35, The scope that makes BDC reticles great again, The best reason to add a laser to your gun, The Shooters Box gen 2 357 Sig case gauge. 22 PPC-USA. The point was to squeeze every bit of accuracy out of the round and minimize the human variable as much as possible. Possibily shoulder not in correct position, bad crimp for the type of bullet being used, and so on. 45 Auto. 11 FS Accurate No. Never mix any two powders regardless of type, brand, or source. In fact the .357 SIG brass is slightly longer than the .40 S&W and shorter than the 10mm. 7 Accurate No. Accuracy: All 3 powders shot 1" groups. I designed the bullet using SolidWorks. 5 Accurate No. 40 S&W. Picking the right bullet is critical for the 357 Sig too. 225 Win. I also prefer a case filling powder. They felt is was a dirty powder and so all your cartridges would dirty up your firearm more that usual. Jim has been reloading for over 30 years, and loads 1000s of rounds per year in dozens of calibers. Case Prep:All cases were trimmed to 0.85 inchesAll cases used CCI #500 small pistol primersAll cartridges were loaded to 1.38 inches COALAll completed rounds were crimped with the Lee FCD for 357 SigRange Environment:All shooting was done from a bench using a bag for support and slow fire at 10 yards distance. 10mm Auto. Then velocity, use the slow powders for mid to max. 17 Rem. For a SIG that can use the 40 S&W barrel or the 357 SIG barrel. Magnum. Just because it worked for me does not mean you will get the same results and if you are not sure BE SAFE AND ASK!! 32 Auto. Although they all work quite well, I was looking for something a little bit better/different. Generally the load manuals use the powders that work the best so that is the first place to quickly narrow your search. and fast powders for low to mid velocity. Never substitute any smokeless powder for Black Powder or any Black Powder substitute. Your place for how to and gear review articles. A word of warning about Accurate powder. 3.6 inch barrel power pistol gave me 1393 with sd of 7 and es of only 13.im going to try it in some of the others i have when the rain stops,it is a load well above the book.may not be safe in your gun as always work up to it .or better yet leave it to somebody else in case something goes wrong ,thanks,keith. Do not know if there is load data for Bulleye with .357 Sig, that may pose a problem. I've got to order some more of the .357 SIG Speer Bullets from www.midwayusa.com for some follow-up testing with Alliant Powder's Power Pistol powder. Others not listed that may be good options, Accurate #5 and Bulleye. Smokeless pistol powder Designed for high performance in semi-automatic pistols and is the powder of choice for 9mm, .40 S&W and .357 SIG. Thanks for posting the test results! Using bullets from Hornady HP-XTP, Hornady HP-XTP or FMJ-RN, Hornady HP-BT-XTP. 357 Sig Load Data. ALL Accurate 4100 Accurate No. 222 Rem Mag. I intend to use this as a multi-purpose round, self defense, woods use, plinking, etc.. .357 SIG (Using Hornady Bullets) reloading data with 141 loads. Min Charge Max Charge … 17 Caliber.172” Diameter. It's ball powder, fine ball powder and not very dispenser friendly. 32 H&R Magnum. A database of .357 SIG handloads. i usually adjust my crimping die until I can see a very slight impression of a ring at the case mouth (without distorting the case). .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 20 gauge. 5.56x45 NATO. The .357 SIG round was designed to replicate and replace the ballistics of the .357 Magnum for semi-automatic pistols. It’s a bottleneck cartridge, basically a .40 S&W necked down to .357. 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. I had been planning to try AA#9 and Blue Dot for comparison reasons, but it looks like you have saved me the bother. Load the 357 SIG a lot. 5 Accurate No. The hope was to find a powder that would perform best across different bullet weights which would help me consolidate the number of different powders I need to keep on hand. Powders include … 28 gauge. Some resizer dies like RCBS have had issues with forming brass correctly. Legend AMMO .357 Sig Sauer 125GR Solid Copper Hollow Point 20 r 380 Auto. Shooters who truly understand its performance carry this round for every day carry. 45 Colt. Alliant Powder Unique Smokeless Powder. After I do, I will post an edit to this article with the info. The best load for 124 grain plated flat points seems to be 7.2 gr of CFE Pistol and the best group of the 147s seems to be 10.2 gr of Accurate #9. I've got to order some more of the .357 SIG Speer Bullets from www.midwayusa.com for some follow-up testing with Alliant Powder's Power Pistol powder. Half of Berry’s production goes to OEM ammomakers and the rest to the hobby reloading market, so you may have already experienced shooting plated … Accurate made a two cavity mold out of steel to fit my Master Caster. 22-250 Rem Ack Imp. 12 gauge. I have also tried Power Pistol recently with the same excellent results that you have found. Every bullet I tested was rated up to 1,250 fps except the thick-plated 9mm/.357 Sig bullets that can be loaded to 1,500 fps. As always be sure to consult your load manuals before using mine or anybody’s load recipes off the internet. I will have to do that another day. BluChevy94, With the right powder and bullet combination, you can get good self defence momentum ratings out of a 3" barrel. While visiting a gun shop south of us a year or so ago they recommended against 2400. Discussion: Bullseye is a fast burning powder and perhaps better suited to the small cases like the 9mm. The load data I used can be found here: https://www.hodgdonreloading.com/ and http://www.reloadammo.com/357sig.htm, The Results:124 gr Plated FP Test:CFE Pistol Data –. 221 Rem Fireball. Recipe. 220 Swift. 9 Accurate Solo 1000 Accurate TCM Alliant Powder 2400 Alliant Powder 300-MP Alliant Powder BE-86 Alliant Powder Blue Dot Alliant Powder Bullseye Alliant Powder Power Pistol Alliant Powder Sport Pistol Alliant Powder Unique Hodgdon 700-X Hodgdon CFE Pistol Hodgdon Clays Hodgdon H110 Hodgdon …