H110 125 Gr 357 Magnum

COM, visit our contact page, or call 1-855-407-AMMO (2666) Monday - Friday 9am - 5pm PST (We do NOT take phone orders). 357 Magnum, is a revolver cartridge with a. 357 Magnum 170gr LSWC "Keith" I'm looking for load data for a 4" S&W using a 170gr Keith style 170gr LSWC. Shop the best deals on. 357-inch bullet diameter, created by firearms manufacturer Smith & Wesson. However, S&W decided not to simply introduce a further hopped-up. TThis picture is a representation of this item or a of group of items. Live inventory + same day shipping! with a 125 grain. 357 MAG 158 Grain JHP 50 Round Box Aluminum Case CCI. Please make sure to read the title and description of the item. 357 Magnum as a top tier defense cartridge goes back to to the mid-1970s, with Remington's introduction of the 125 grain semi-jacketed hollow point at a velocity of 1400 to 1450 feet per second from a full size service revolver. 357 Magnum handloads. 357 Magnum Accuracy is About Semi-Wadcutters. If you're unsure, or just want options, check as many boxes as you'd like. Click here for a Muzzle Energy graph for the tests in this caliber. Had to go with a max listed charge to get rid of the Squibbs. 357 / 357 110 Grain Tactical X Pistol Bullet (40) $ 22. 10mm Auto vs. Compare all 357 Magnum ammunition manufacturers on one easy to read chart. 38's still, but I seem to just rely on factory. 357 Magnum revolver. Truncated cone hard cast boolits from CB Bullets. 346 per round) In stock Purchase Now. Both give me good groups, but the Bullseye tends to be a little dirtier than the Unique. 357 Magnum? Very favorably, I'd say. Buy Online with safety transaction. 357" Diameter 125 Grain. They are dangerous with too light a load due to ignition concerns and that's why min-max is less than 5% difference. photography by R. I personally wouldn't hesitate to use it in my SP101 and consider myself well-armed. Then select your bullet weight, powder manufacturer and powder type. 357 magnums so it's new territory. Shooting WinClean 125 gr 357 Magnum JSP I got ten shot groups in the 8 to 9 inch range. 357 Magnum owes much of it's popularity to great promotional techniques, not that the cartridge cannot stand on it's own, but that rather the marketing has sped up it's rise to fame. 357 Magnum, SJSP, 125 Grain, 50 Rounds available at a great price in our. At 1,215 fps, this load hits hard and expands well. During a visit to the Olin powder factory years ago, I learned that W296 and H110 were the same powder. 357 with JHP,. They can also be slightly longer, to accommodate the longer cylinder that's required for. 300 Ruger Compact Magnum (RCM) Load Data; 308 Norma Magnum Load Data; 30-06 Springfield Ackley Improved Load Data; 300 Rem Short Action Ultra Magnum Load Data; 300 Holland & Holland (H&H) Magnum Load Data; 300 Winchester Short Magnum (WSM) Load Data; 300 Winchester Magnum Load Data; 300 Weatherby Magnum Load Data; 30 Nosler Load Data. 357 diameter. Shop for 357 Mag 125 gr FP Reman ammo now and save. 357 Magnum and. Cleaner than 2400. Work up to this load it is max. H110 and W296 are almost identical in performance. Trying Winchester USA 130 gr 38 Special FMJ 100 round value pack ammunition I got a 4 1/8 inch group. A revolver in. They are dangerous with too light a load due to ignition concerns and that's why min-max is less than 5% difference. Instead, the company redesigned and significantly improved the strength of the large-frame. 357 Magnum revolver can also shoot all. Loading the. 357 MAG 158. 357 Magnum rounds was the famous Remington 125 grain jacketed hollowpoint. 357 Remington Maximum Comparative Muzzle Velocities and Energies Cartridge Bullet Weight (gr) Muzzle Velocity (ft/s) Muzzle Energy (lb/ft) 9mm Luger 124 1100 339. 357 magnum using Hodgdon H110 powder. Instead, the company redesigned and significantly improved the strength of the large-frame. It is based upon Smith & Wesson's earlier. REMINGTON ARMS CO AMMO. Also the metal cup on the magnum primer may be a little thicker than the cup on the regular small pistol primer. I like 125 grain JHP with 18. They succeed in creating a legend of the round. We’ve had a lot of fun and learned a few things while checking out the Glock 31 Gen 4 and Glock 32 Gen 3. 357 inch - same as the. 357 SuperMag was not designed to see how fast one could drive lightweight. 357 S&W mag. It can be a little bit dirty, but it is still one of the most reliable options since PMC's quality control checks reject cartridges that are more than a fifth of a grain away from the standard. 357 load using w-231/hp-38 158 grain plated bullets, best 357 magnum load, best plated bullets for 357 mag, best powder for. 357 Magnum with modern bullet design and you can potentially create an amazingly effective self-defense round. This ammo is safe to shoot in ANY all steel 357 revolver - this includes J frames. 357 Magnum with charges of W296/H110 from 15. Modern ammunition uses smokeless powder as the energy source. The contents of this new issue 2/2002 has been revised with new loading data for: - Lapua's famous 200 gr D166 FMJBT bullet in cal. Colt's Trooper by R. 357 SuperMag was not designed to see how fast one could drive lightweight. Atlanta Arms 357 Magnum 125gr JHP Overview. They can also be slightly longer, to accommodate the longer cylinder that's required for. 357 dies) to reload this round. 357 125 Grain Round Nose Flat Point - Red Coated - 1000ct. 357 Magnum (Handgun) (Speer Reloading Manual #14) reloading data with 151 loads. Buy the Winchester 357 Magnum 158gr JSP Ammunition 50rds X3575P Best Price web store nowadays. 357-inch (9. View this auction and search for other auctions now on the leading online auction platform. 357 mag, assuming you are into heavier bullets is H110; this is my favorite, but I load. 38-44 Outdoorsman target model revolver to accommodate the nearly double chamber pressure generated by the. bullets in. View this auction and search for other auctions now on the leading online auction platform. 357 Magnum revolver. I actually started load development with a lower charge shown in the current data for the 125 grain XTP and loaded the Remington 125 grain SJHPs with 10. 357 mag 125gr SJHP load Registered Users do not see the above ad. 357 ammo, which makes it versatile. It's likely you'll ecstatic by simply Winchester 357 Magnum 125gr PDX1 Defender Ammunition 20rds S357MPDB Best Price. When I hunted deer with a. 357 Remington Maximum that was jointly developed circa 1982-1983 by Sturm, Ruger & Company and. 38 Special +P loads make particularly good practice ammunition and with 125 grain bullets shoot sufficiently flat for small game hunting. Remington™ UMC®. I used 13 gr of Alliant's 2400 under a 125 gr. 357 Magnum as a top tier defense cartridge goes back to to the mid-1970s, with Remington's introduction of the 125 grain semi-jacketed hollow point at a velocity of 1400 to 1450 feet per second from a full size service revolver. 10mm Auto vs. 38 Special and. 357 Mag ammunition in bulk here at Ammo. Then select your bullet weight, powder manufacturer and powder type. 357 Magnum rifle that also shoots. 15 gr of H110/W296 under a remmie SJHP makes for a pleasant shooting, accurate target round. Load Request -. 6 grain Bullseye 357 mag cases ( mixed head stamps) with Federal SPP Crimped in crimp groove. Truncated cone hard cast boolits from CB Bullets. I used CCI 550 Small Pistol Magnum Primers For my model 14-4 6" I have been shooting 148 grain HBWC's using 2. Frustrations with loading full. I like 125 grain JHP with 18. 357 Magnum in terms of raw power, the. A late evening test of some hand loaded 357 Magnum with a whopping 20 grains of Hodgdon H110 Magnum handgun powder. load data - 125 gr XTP with H110 powder for 357 mag. 357 Magnum revolver can also shoot all. Magtech 357 Remington Magnum 125 Grain Full Metal Jacket Fla. I've read this powder is a bad idea for the lighter (<125 grain) bullets as it's slow burning and can cause some gas cutting on the revolver frame, especially in high velocity loads. Complete 357 magnum ammunition ballistics Chart. com has cheap 357 Magnum ammo for sale today with fast shipping. 357 Hi-Shok. Wheels Grey Alloy Ptr20-35110-gr 17' 4 Graphite Trd Toyota Toyota Trd 17' 4 Graphite Grey Alloy Wheels Ptr20-35110-gr $780. These bullets all shot well in the Uberti. I bought it in 1974 at a time when finding any Smith & Wesson revolver in a case at a gun store priced at factory MSRP was. The American Gunner ® line of ammunition is a collection of tried-and-true, versatile loads that are popular with shooters for their target shooting, hunting or self-defense needs. 357 Magnum since the middle 1960's. Black Hills 357 Magnum Ammo 125 Grain Jhp You will not regret if check price. Today I made up 10 rounds of. Compare the length of the cartridges to confirm this. com Comparison shop for in-stock ammunition, guns, mags, and reloading at the lowest prices from over 100 online retailers all in one place: AmmoSeek. of H110 with a 158 grain bullet, with a velocity of 1,591 fps from a 10. ATLANTA ARMS, Premium, 357 MAG, 125 Grain JHP (50 Rounds) $ 34. There are light, 125-grain hollowpoints, like Federal Premium's Personal Defense line; there are heavy, flat point premium bullets like the Swift High Grade Heavy Revolver, built around the 180-grain A-Frame bullet. Even if it couldn’t crack an engine block, the. Based on the. 5mm Swiss, - cal. It is no surprise to anyone that with proper loads, the Henry Big Boy is a real “tack-driver”. I have H110, Blue Dot, 2400, and #9 all available in my reloading room. It is listed on the Hodgdon Website as follows (below), as well as in Lee's Modern reloading. 357 Magnum in terms of raw power, the. For practice, target shooting, training exercises or any other high-volume shooting situation UMC® centerfire pistol and revolver ammunition offers value without any compromise in quality or performance. I shoot a 357 125 grain load with Power Pistol that runs around 1000-1100 fps and really like it for practice with my SP 101 or my old service six. by Jim Taylor. At 1,215 fps, this load hits hard and expands well. 357 magnum ammunition is a popular range and self-defense round among American recreational shooters. 357 Magnum cartridge was introduced in 1934, and its use has since become widespread. 357 Sig cartridge around here. Handgun & Pistol Ammo Menu Toggle. - 1500 fps. 357 Magnum and. 4 Item(s) Sort By. So, you'll need a. 357 magnum round it is very fun to shoot and can use the same rounds in the Ruger SP101. I use that load in L & N frame S&Ws, Ruger BHs and my Security Six and my Contender. 357 SIG that was developed in 1994 was named "357" to highlight its purpose: to duplicate the performance of 125-grain (8. Large enough to use in many capacities for hunting, the caliber is primarily used in handguns but you can find carbines chambered for 357 mag as well. February 1969. Only Coonan make a 1911 in. ammo adds more power than ever before to the 357 mag. It also looks like substantial compression could get you above the old CUP standard. Typing your keyword including Remington Umc Ammo 357 Mag 125 Grain Jacketed Soft Point Buy Remington Umc Ammo 357 Mag 125 Grain Jacketed Soft Point Reviews : If you're looking for Remington Umc Ammo 357 Mag 125 Grain Jacketed Soft Point. of H110 with a 158 grain bullet, with a velocity of 1,591 fps from a 10. 07 mm) bullet diameter, created by Elmer Keith, Phillip B. This morning I shot my first 357mag handloads in my Ruger GP-100. Gun in question is a SW model 66 4" and the powders I have are Power Pistol, Blue Dot, VV n110, 2400, and w231. 357 Magnum, at least in the usual four-inch barrel variants, and the. Also the metal cup on the magnum primer may be a little thicker than the cup on the regular small pistol primer. 357 Mag handgun I’ve ever fired. They work well compressed, but a 110gr bullet with a compressed load of H110 is going to be extra flashy and blasty. This was on an indoor range. load data - 125 gr XTP with H110 powder for 357 mag. The site had a starting load of 21grains and a max of 22grains (not much difference there). My Lyman's claims that for 357 magnum, the 2400 is the best powder delivering highest velocity and accuracy. WINCHESTER SUPER X 357 MAG 125gr JHP 50pk from Smiffy's Guns N Ammo, Shop 3/4 , 24 High Street - Boonah, QLD 4310, Australia. Work up to this load it is max. 4gr W296/H110 shoots most accurately. I've been using H110 and 296 exclusively for all my. Everything from custom, match grade, to bulk plinking ammo can be found at low Midsouth prices. 357 Magnum typically have larger and heavier frames than. I'm new to reloading for. Go to previous image Go to next image. SST 300BLKHA 500 rnd/case [300BLKHA-500] - Fiocchi Extrema ammunition utilizes match components making it perfect for serious hunters. 357 MAG NEW. I know for a fact the 125 gr bullet out of the 357 magnum doesn't mess around in stopping power. 44 Magnum eclipsed the. 38 special 158 grain. Other barrels I build are normally with a 1-14" twist rate for those that like to bullets up to 200 gr. 357 Magnum, at least in the usual four-inch barrel variants, and the. Federal Personal Defense 357 Magnum JHP 125 Grain 20 Description. Hornady XTP: Powder: Hodgdon - H110: Min Charge: 15. It is listed on the Hodgdon Website as follows (below), as well as in Lee's Modern reloading. 357 Magnum Bullets 40 Projectiles TAC-XP FB 125 Grains Barnes. 89 Add to cart; Barnes. 357 mag is a 125 gr. 357 mag JHP leaves a hole the size of a quarter in a cast iron pan with literally no recoil. It's been as good or better than any other hunting load I've tried thus far, and I've tried everything in the 110-125 grain range. 357 Magnum rifle that also shoots. I'm wondering if one should use a magnum primer with H110? Hodgdon dosen't seem to specify on thier web site, or at. Comparing Prices? Most of our competitors are adding $7 to $12+ for shipping, plus insurance and some have a handling fee too. It's been as good or better than any other hunting load I've tried thus far, and I've tried everything in the 110-125 grain range. load data - 125 gr XTP with H110 powder for 357 mag. An iconic round used in large revolvers, 357 magnum rounds have powered the firearms of hunters and police officers since 1934 and truly began the era of "Magnum" handgun ammunition. March 20, 2006 In 1935 you could purchase a Ford V8, read about Admiral Byrd's exploits, or purchase a brand new. Naturally, when I started handgun hunting, my first hunting sixgun was a. Sig Sauer Elite Performance Ammunition 357 Magnum 125 Grain V-Crown Jacketed Hollow Point Box of 20. 357 Magnum Ammo [2019] the best all around bullet and weight for a. 357 at Russell Reloading. H110 and 296 are essentially the same powder. We've got discovered probably the most helpful Winchester 357 Magnum 158gr JSP Ammunition 50rds X3575P For Sale. 357 Magnum Ammo : Find out which online Ammo Shop has the best price, in-stock, right now. In fact, with the current technological advances in ammunition and bullets, the. As to weight in loaded ammo, 7. The Hornady 357 MAG 125 GR XTP American Gunner delivers perfect accuracy along with the superior ballistic performance. 0 2036 Bullet Weight: 125 gr Case Trim Length: 1. Now check-out the Remington 357 Maximum! A friend of mine has the Ruger Blackhawk chambered in this! All You Need to Know About the. Does anyone have loading data using Unique and a 125 grain SWC for a 357 Mag. My Lyman's claims that for 357 magnum, the 2400 is the best powder delivering highest velocity and accuracy. We've got discovered probably the most helpful Winchester 357 Magnum 158gr JSP Ammunition 50rds X3575P For Sale. Get 357 Mag 125 gr FP Reman ammo delivered to your house. So now I have the Henry Big Boy lever action. 357 Magnum ammo: Remington. 357 Magnum enough that it would handle 180 and 200 grain bullets at normal. Remington ballistics called for a 158 grain bullet at a MV of 1550 fps from an 8-3/8" barrel. Also the metal cup on the magnum primer may be a little thicker than the cup on the regular small pistol primer. If you find product , Deals. 357 magnum loads, best. 357 Magnum cartridge was introduced in 1934, and its use has since become widespread. which powder? Basic choices are between N110, 2400, or H110, so preferences & pitfalls please for 125Gr JHP's at 1350 FPS in a 6" bbl revolver. Should Shoot OK. This premium, precise plating not only reduces the amount of lead exposure during shooting, it also helps keep your bore much cleaner. 357 Magnum 125 Grain High Terminal Performance Hollow Point Ammo - 50 Rounds per Box. 38 Special and. I prefer the H110, because it is not as "picky" in it's load range as the W296. 357 Magnum out of a revolver for many years. 9 reviews Reviews. The site had a starting load of 21grains and a max of 22grains (not much difference there). 357 140 gr XTP ® Item #35740 | 100/Box. 45, and the Buffalo Bore 180 grain heavy. 357 Magnum, is a revolver cartridge with a. Duplicating "Classic" Remington. USE/SPORT: Self Defense, Range Shooting, as well as General Shooting. The American Gunner ® line of ammunition is a collection of tried-and-true, versatile loads that are popular with shooters for their target shooting, hunting or self-defense needs. 7 on the high side with H110 charges being. 0 2071 (Winchester) 20. 357-inch bullet diameter, created by firearms manufacturer Smith & Wesson. Pricing information ofFederal Personal Defense 357 Magnum Jhp 125 Grain 20 is provided by the listed merchants. And hope I'm a section of helping you to get a far better product. Using bullets from Speer UCHP, Speer UCSP, GDHP, UCHP or TMJ FN, Speer GDHP SB, Speer TMJ FN, UCHP, GDHP or UCSP, Speer LSWC or LSWC HP, Speer Mag GDSP. I doubt my shot will be over 35 yards, but I'm wondering if an accurate but hot load of h110 will push the 158 FP/XTP fast enough to get any expansion at all in a 4" barrel. 357 mag thru a rifle pales in comparison, and it more than rivals 7. 357 Magnum Chamber. 357 Caliber bullets that you need, you can always count on getting low prices at Sportsman's Guide! Use this. 357 Magnum (Handgun) (Speer Reloading Manual #14) reloading data with 151 loads. 357 Magnum cartridge was introduced in 1934, and its use has since become widespread. 357 Magnum loads typically produce velocities between 1,200 and 1,500 feet per second along with relatively heavy recoil. They and Alliant Power Pro 300-MP are spherical powders with similar slow burn rates. Get 357 Mag 125 gr FP Reman ammo delivered to your house. Sharpe and introduced to the market by Smith & Wesson in 1935. 357 Magnum, FMJ, 125 Grain, 50 Rounds Best Buy. 357 Magnum handloads. I actually started load development with a lower charge shown in the current data for the 125 grain XTP and loaded the Remington 125 grain SJHPs with 10. Rifle 44 Magnum 180gr Rifle H110 Load Data On Sale. Reading for that Federal Personal Defense 357 Magnum Jhp 125 Grain 20 customer reviews. 357 SIG as I understand it was to emulate the ballistic dynamics of the 125 grain. Mag primers are recommended. 357 mag 125gr SJHP load Registered Users do not see the above ad. SST 300BLKHA 500 rnd/case [300BLKHA-500] - Fiocchi Extrema ammunition utilizes match components making it perfect for serious hunters. 5 gr load for all of those for plinkers. 0 gr of H110 CCI magnum primers (550) A heavy crimp That amount of powder fills the case almost to the very bottom of the bullet. 357's anymore, quite a few. H110 requires Magnum Primers H110 Likes a nearly full to even compress load, Reduced loads can be dangerous From the load data I have seen H110 and 125 Grains will be compressed loads. 38 Caliber Bullets 125 FP Berrys 100pk FREE USPS Shipping w/insurance and tracking, no tax, and 100% Money Back Guarantee. 357 perhaps if it was out of a lever carbine because you can load 180's, or at the least the extra barrel length will give you another 200+ fps with a 158. Complete 357 magnum ammunition ballistics Chart. Then select your bullet weight, powder manufacturer and powder type. There are several good powder choices for both rounds. I’ve gathered loading data that has considerable differences in the weight amounts for a 158 grain HP load for a 357 magnum loads. Handgun & Pistol Ammo Menu Toggle. 0 2036 Bullet Weight: 125 gr Case Trim Length: 1. Smith and Wesson's Best Pistol by R. 357 Mag, I used 180 grain cast bullets or jacketed hollow points in a Colt Python with a 6" barrel with good results. 357 revolver. There are light, 125-grain hollowpoints, like Federal Premium's Personal Defense line; there are heavy, flat point premium bullets like the Swift High Grade Heavy Revolver, built around the 180-grain A-Frame bullet. 38 Special cases full of Triple 7 powder with either 125 gr or 147/158 gr bullets. On smaller game and varmints I HP the bullets to the 1st drive band with the 1/8" Forster HP tool. You may select sizes of 0. Your Price: $17. SWC+GC, 160 gr. Live inventory + same day shipping! with a 125 grain. 357 MAG NEW. photography by R. 357 Magnum, and I just want to take a sanity check on what I've done before I pull the trigger on some handloads that I made tonight. 5mm Swiss, - cal. 357 Magnum stopping power courtesy of the technologically advanced solid-copper Barnes XPB hollowpoint bullet. This is from a 4 inched barrel Smith and Wesson Model 66-2 357 Magnum K frame. Options: 357 magnum ; $44. Heavy crimp at. 0 Gr N110, 16. Please make sure to read the title and description of the item. Full box - 50 rounds of Speer Lawman 357 Sig, 125 grain TMJ [Total Metal Jacket] high-performance ammunition -- centerfire cartridges. Mag primers are recommended. Wesson used it so successfully. I chose a 1-20" twist rate for this barrel because I normally shoot bullets 160 gr. 357 Magnum, FMJ, 158 Grain, 500 Rounds Sale. It doesn't mean you won't find another round in between this and the 158 grain loads, but this will get it done for anybody. Please DO NOT contact the Range with questions concerning LAX Ammo, instead please email us with questions at [email protected] (1,700 fps/M. 7 on the high side with H110 charges being. H110 and W296 are almost identical in performance. com, 17295 151St RD, Winfield, KS, 67156. Excellent powder for 357 and 44 full power loads. The mold pattern was the Lyman 358156, a gas check semi-wadcutter, wheelweight alloy, crimped in the top groove to give the shortest loaded length. Fiocchi 357D Pistol Shooting Dynamics 357 Rem Mag 125 GR Semi Jacketed Hollow Point - 50rd Box. I have found Winchester W231 and Hodgdon HS-6 powders excellent for low and medium velocity loads and H-110, W296 and Hercules 2400 powders excellent for maximum loads with bullets weighing from 125-158 grains. March 20, 2006 In 1935 you could purchase a Ford V8, read about Admiral Byrd's exploits, or purchase a brand new. High quality 38 357 125 grain jacketed soft point bulk bullets for reloading. H110 seems to have a pretty narrow band in which it works. 2400 is my go-to powder for 357 magnum. ammo adds more power than ever before to the 357 mag. 44 mag loads. Instead, the company redesigned and significantly improved the strength of the large-frame. Another option for your. 357 diameter. Pests can be hard-to-hit problems. This is from a 4 inched barrel Smith and Wesson Model 66-2 357 Magnum K frame. 327 Magnum 85-grain Personal Defense load is less than half the recoil of a 125-grain. 357 Magnum revolvers. 38 Caliber Bullets 125 HP Howell 100pk FREE USPS Shipping w/insurance and tracking, no tax, and 100% Money Back Guarantee. Pricing information ofFederal Personal Defense 357 Magnum Jhp 125 Grain 20 is provided by the listed merchants. However, with two of the Western powder loads, it was so accurate that one has to see the targets. 357 Magnum, is a revolver cartridge with a. The powder load amounts I use closely agree with those listed. Hornady 357 Mag 125gr XTP Enquire Now. I doubt my shot will be over 35 yards, but I'm wondering if an accurate but hot load of h110 will push the 158 FP/XTP fast enough to get any expansion at all in a 4" barrel. When loaded with fast expanding 125 grain bullets traveling at or over 2000fps (rifles), the. com has cheap 357 Magnum ammo for sale today with fast shipping. ATLANTA ARMS, Premium, 357 MAG, 125 Grain JHP (50 Rounds) $ 34. I don't know what to tell you about max charges of H-110 in the. 357 Magnum 125 Grain High Terminal Performance Hollow Point Ammo - 50 Rounds per Box. 38 Special vs. They work well compressed, but a 110gr bullet with a compressed load of H110 is going to be extra flashy and blasty. Naturally, when I started handgun hunting, my first hunting sixgun was a. 300 Ruger Compact Magnum (RCM) Load Data; 308 Norma Magnum Load Data; 30-06 Springfield Ackley Improved Load Data; 300 Rem Short Action Ultra Magnum Load Data; 300 Holland & Holland (H&H) Magnum Load Data; 300 Winchester Short Magnum (WSM) Load Data; 300 Winchester Magnum Load Data; 300 Weatherby Magnum Load Data; 30 Nosler Load Data. Remington ballistics called for a 158 grain bullet at a MV of 1550 fps from an 8-3/8" barrel. 158 lswc in 357 magnum with herco powder, 357 trailboss 125g, 8. Smith and Wesson's Best Pistol by R. For quite awhile when I got my first 357 mag S&W 19 I shot a lot of 125 gr. 38 Special cartridge. Does anyone have loading data using Unique and a 125 grain SWC for a 357 Mag. The small pistol primers aren't as hot as the magnum primers is the difference. The Three-Fifty-Seven Magnum's in My Life. The hot 125-grain hollowpoint ammo had just come out, and we found it was a comforting thing when relations degenerated into a shooting situation. Compare the length of the cartridges to confirm this. Buy online Sig Sauer E357M1-20 V-Crown JHP 357 Magnum 125 GR JHP 20Box/10Case.