Imr 4350 Load Data

as it's real close to BL-C2 on the powder burn chart. 5 grains of the same. We can only ship by UPS ground to the lower 48 States. 300 win mag with bullet weights from 110 to 180. After comparing other loads other bullets, I think 80-82 gr of IMR 4350 might be doable with the 270 TSX. So, let say I have a pressure tested load out of the Nosler manual that gave 3250 fps using a 150 grain Partition out of a 7mm Rem Mag with a certain charge of IMR 4350. I am going to retain this load for the reformed brass for plinking and just shooting paper and maybe coyotes. IMR 4350 vs H4350 So I'm about to start reloading for my 6. Buy the IMR 4350 Smokeless Reloading Powder and more quality Fishing, Hunting and Outdoor gear at Bass Pro Shops. IMR Powder 4350 Rifle Powder 1 lbs …deliver the same quality as IMR Powder 4350 Rifle Powder. I can't say anything about the 300 WSM, but in my 280 AI I can get the 120 BT under half inch most days with IMR 4350. Hodgdon and IMR powders, including H4198, Varget, H4350, and IMR 4451, are some of the most successful propellants used by competitive shooters. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. My experience is that my 8x57's have always done well accuracy and velocity wise with IMR 4064 with the 185's. Lapua SK Ammunition-. 5 Creedmoor 143 gr ELD-X® Precision Hunter® Item #81499 | 20/Box. Right now I have no RL-15 to try, so I will use this for hunting this year. If you are looking for a good rifle powder that works great over a large range of calibers and bullet weights, then IMR 4350 might be a good place to start. Nosler®, Inc. My favorite. “Ten bullets through one hole” is the philosophy that brought Hornady® from a two-man operation in 1949, to a world-leading innovator of bullet, ammunition, reloading tool and accessory design and manufacture today. You can check various powder manufacturers websites for some basic reloading data. 25 Out of stock. Anyone using IMR 4350 for 243 reloads? I've been using IMR 4064 and was wondering if anyone has first-hand data or experience with using IMR 4350,especially if you have used both powders before. The 4350 also works quite well for the 600 overkill rifle which i have. 5 creedmoor rifle reloading data 5 indicates maximum load - use caution loads less than minimum charges shown are not recommended. A year or so back I read a magazine article regarding H4350 vs IMR 4350. Maximum shipment weights of 48 lbs powder; 70 lbs powder and primers combined. After some fooling around with this combo I finally got it worked out. Home Forums > The Armory > Reloading > I'm having problems with the Lyman 55 powder measure Discussion in ' Reloading ' started by Nemesis. 5gr imr 4350. I have used IMR 4350 in everything from lighter small rifle loads, to small magnum loads for deer hunting with excellent results. 308 and Winchester's 760 (which is generally used in similar applications as IMR 4350) is only mentioned with the 175 Sierra HPBT showing 2629 fps from a 24" barrel. GunBot does not endorse any of the retailers or products listed. If I can not find any I guess I will use the starting load for a 90 gr bullet. This is my first time reloading, and I've consulted lots of different sources for min and max loads for a 150g bullet under IMR 4350. 308 Winchester handloads. 243 brass cci 200 @ 2800+ fps. IMR 4350 can attain reasonable groups, but I would suggest working up to just under Hodgdon's max load, as that is where the groups seem to tighten up. In Hodgdon yearly reloading manual 2011 they doesn't list the same amount of powder H-4350/IMR-4350 in their data. 1 Be sure your measure is 2. Last UpdateDecember 13, 2013. Accubond Long Range. So they designed IMR 4451 to burn in the same cartridges AND be more temperature stable. Hodgdon vs IMR 4350 - posted in Reloading: Just came across a couple of pounds of IMR 4350. Basic Reloading Precautions. 17 Caliber. The top of the can has a little surface rust but it's remained sealed. The medium to slow burning rifle powders work best in the. Provides superb accuarcy in most medium and heavy rifle loads and is the powder of choice for. 17 Rem Fireball. " Hodgdon was the first to introduce this popular propellant in 1950 and, since that time, it has become a favorite for cartridges like the 270 Winchester, 25-06. I have a metal can of Dupont IMR-4350 that was given to me by a friend. You have no items in your shopping cart. PS- If you are using Remington cases, that 72 gr. IMR-4166 Brief: The load listed below is TOO HOT by at least a full grain. I've run from 55 gr to 57. 5x55 Swede and my. of IMR-4350 using 100 gr. IMR 8208 XBR. Everything I've read on 30-06 loads say imr 4350 at 57 gr or 58 in a 165 gr bullet is money load I've loaded hornady 165 sp and sierra 165 spbt. My guess worked better than I'd hoped. I do have some IMR 7828ssc that I plan on trying but I suspect the rifle isn't going to like pushing 140gr bullets much faster then it already is. North 40 Outfitters is a family owned and operated retailer with locations in Montana, Idaho and Washington. IMR Powder 4350, 8lbs he number one choice for the new short magnums, both Remington and Winchester versions. Nosler shows 61-65 grains of IMR 4350. H4350 vs IMR4350 30-06 load And the IMR powders tend to have better lot to lot consistancy than the H-series versions. H-4350 and IMR-4350 are my favorite powders for the 7mm-08! 4350 has given me excellent accuracy in all of my 7mm-08 rifles. H4895, Varget, H322, H335, and IMR 4064 with me. Be SAFE first, as always. Always comply with local, state, federal, and international law. According to Hornady's reloading manuel 5th edition H4350 works in the 7. I finally got a chance to do some reloading friday and took the 300 WSM to the range today. It seems that there are two different versions of IMR 4350. You Want in Best Store. higginson powders inc. 121 Accurate 4350. ' I also have a metal jug of IMR 4831 that says 'Formely Supplied by DuPont' on the front as well as the same manufacturing info as the IMR 4350 on the back. I'm working up a load for the first time for my 7 rem mag and 140 accubonds. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. OCW Load Recipes The following load recipes have proven to work well in various rifles. Hodgdon supplies the IMR and "H" powders you are interested in. Visit Guns and Ammo to read a review on ITX shot. Have to take in consideration the differance between powder Lots though. IMR 4320 should be o. 910"; primer. North 40 Outfitters is a family owned and operated retailer with locations in Montana, Idaho and Washington. Available for use in many reloading applications, the IMR series of powder is trusted by reloaders all across the globe. I have been wanting to play with IMR 4007ssc for some time now, havent had the opportunity to pick a pound of it up or time to load and shoot it. With Reloder 17 reloaders have a powder that meters easy and consistently while providing maximum velocity even in extreme weather. H4350, IMR 4350 and RL-22 are good powders for 150-165 grain bullets. Some cartridges I have used, and give my opinion on this powder and how it performed. Since I have some powder more than 10 years old, I found I had both types. I currently use it with both 160 and 162 grain 7mm/. Carefully review your final order to ensure you will be receiving your desired powder type. Alliant, LOVEX (Accurate), IMR and Hogdons. Powder Bul Weight C. Powder works both well and as a bonus works well in straight cases such as the 45-70. 5 Creedmoor would like to try 130 grain VLDs and IMR4350. The leading distributor of quality reloading components and ammunition. His dad used to reload in the 80s but he passed away in the late 90s. 30 40 Krag, if I decide to use jacketed instead of cast (which I have a lot of and will use Alliant 2400 to reload). Min Charge Max Charge Optimal Charge Bullet Make Bullet Type. Should have results posted in a day or two. IMR 4350 Smokeless Powder was formulated for the wide variety of "short" magnums on the market. IMR 4350 can attain reasonable groups, but I would suggest working up to just under Hodgdon's max load, as that is where the groups seem to tighten up. Load Data 30-06 M1 Garand >>>CLICK HERE<<< I've been loading 150gr Hornadys in mil brass to shoot the run and gun matches with my I mostly load these bullets for my. For magnums with light to medium bullet weights, IMR 4350 Smokeless Powder is the best choice. Reloading 6. I found that H4350 is better for the heavy stuff (139+) but I have had 3 6-8month dry spells where it is NOWHERE to be found. He tells me to use H4350 as it is much more stable. 5 grains of IMR 4064 behind their 150-155 grain bullets produced a MV of 3063 fps. IMR DUPont 4350 Powder, One pound bottle at Nagel's Gun Shop located in San Antonio, Texas. Hodgdon ®, IMR ® and Winchester ® powders neither assume nor authorize any person to assume for it any liability in connection with the use of any product or data. It’s important to stress that they are NOT identical to the H. Near realtime tracking of who has ammo, mags and reloading supplies in stock. 5 Creedmoor 143 gr ELD-X® Precision Hunter® Item #81499 | 20/Box. 0 START CHARGE. IMR-4166 Brief: The load listed below is TOO HOT by at least a full grain. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. For example, something like IMR 4350 has a lot of listed loads in various bullet weights for 30-40 Krag, but also works great in a lot of other calibers like 243, 7mm-08, 30-06, 7mag etc, etc Gatekeeper , Jun 21, 2011. Rifle Imr Assault Rifle. Some cartridges I have used, and give my opinion on this powder and how it performed. See The Hodgdon Annual Manual for recommended uses of this powder. ” Hodgdon was the first to introduce this popular propellant in 1950 and, since that time, it has become a favorite for cartridges like the 270 Winchester, 25-06. IMR 4350 is primarily used for the newest short magnum cartridges in the industry but also used for silhouette shooting. Rifle Imr 4320 Rifle Powder. F-Open Rifle Team, has tested some of the new IMR 4451 powder. I hate to say it, but I guess I drank the 6. Welcome to Long Island Firearms, like most online communities you must register to view or post in our community, but don't worry this is a simple free process that requires minimal information for you to signup. IMR Powder 4350 Rifle Powder 1 lbs …deliver the same quality as IMR Powder 4350 Rifle Powder. IMR Powder 4350, 8lbs he number one choice for the new short magnums, both Remington and Winchester versions. You can deal in Imr 4350 Smokeless Powder Imr Reloading Powder 8 Lb on-line shopping store. 5″, 22″ and 24″ barrels. My Hornady Handbook 8th edition doesn't have any listings. IMR 4350 Ammunitions reloading powder. The values shown may vary substantially with the components and the reloading techniques employed. The old favorite. 0 C IMR 4064 Winchester CCI 200 29. Hodgdon Powder, H1000, 1lbs $27. 9 2842 Powder Pro 4000MR 50. The H4350 Reloading Powder is a very fast burning powder that will improve bench or range accuracy and will also translate to cleaner kills for hunting. We outfit work and play. Powder Burning Rate Chart shows 107 powders from the fastest to the slowest. 5 grains of IMR 4350 powder at a MV of 2592 fps, and 45. Kodiak Part# 37624. 150 gr bullet - IMR 4350 min. 204 Ruger Load Data; 22 Hornet Load Data; 221 Remington Fireball Load Data; 222 Remington Load Data; 223 Remington Load Data; 5. Whether you’re a tournament shooter or a recreational enthusiast, we keep our shelves stocked with the best and widest array of reloading components and reloading supplies available while. Model: IMR943508. The Selway Armory Promise. 5, #2230, #2700, #3100 and #2460 are products of Accurate Arms Company WMR, WSF, WSL, 760, 748, 231 and 540 are products of Winchester, Components Div. I have been wanting to play with IMR 4007ssc for some time now, havent had the opportunity to pick a pound of it up or time to load and shoot it. Rifle Imr Assault Rifle. For the 175gr SMK, they show 41. I am reloading 7mm Rem Mag w/ Hornady 154 gr SST for my dad (I started reloading to be able to shoot 6. For magnums with light to medium bullet weights, IMR 4350 is the best choiceSize: 1 Lb Manufacturer: Hodgdon Powder Co. So, let say I have a pressure tested load out of the Nosler manual that gave 3250 fps using a 150 grain Partition out of a 7mm Rem Mag with a certain charge of IMR 4350. 50 Add to cart CCI Aps Strips #250 Large Rifle Magnum $ 37. My buddy swears IMR 4350 is too temperature sensitive for us here in AZ. 4 2994 RL 19 51. 30-06 Springfield remains one of the most versatile hunting calibers, and there are loads of options when it comes to handloading. IMR Enduron Cal June 19, 2016 Ammo & Handloading , Load Development , Powder , Primers 120 The goal of this field test was to quantify the temperature stability of the popular Hodgdon H4350 and Varget powders and compare those to IMR’s new Enduron line of powders. Then the RL-23 was run followed by N550 and IMR-4166. I'm interested in opinions on the load density,how your groups where setting up,etc. I only got to 64 grains before I had to leave. Since many of the common rounds are covered I will go over some of the military such as the 30-40 Krag and similar rounds. Available in 1, 5 and 8 lb. Give it a light shake sideways to level it off. 8 more and haven't loaded much else) and cannot find any published data on this combination with the available powder I have (Hodgdon H4831sc). I also had pretty good results with IMR-4064 and 4895, although velocities were a little slower. Be SAFE first, as always. 7" but it had more vertical that I liked. 243 winchester too. Hodgdon and IMR powders, including H4198, Varget, H4350, and IMR 4451, are some of the most successful propellants used by competitive shooters. 4 2994 RL 19 51. I searched and searched fot 6XC load data with 105+gr bullets but found exactly nothing. Visit us in Upstate, SC. This versatile powder is a perennial favorite with 308 Match shooters who use 168 grain match bullets. As your barrel slows down, it’s important to add powder to maintain the original “speed node”. RELOADING MANUAL • 5TH EDITION 30-06 Springfield continued system of operation, the Garand can be damaged by improper powder selec- IMR-4350 56. The rifles concerned, despite being very strong, are 50 years old. 8 more and haven't loaded much else) and cannot find any published data on this combination with the available powder I have (Hodgdon H4831sc). I know there are lots of options, but I have a ton of IMR 4350 and a few hundred of both CCI 250 and WLRM primers. (Use link for Hodgdon's online load data) Listed Fastest To Slowest: Not a loading guide - Reference only Accurate Arms 4350: 19: IMR, Co Trial Boss: 67: Accurate. My favorite. 6 3004 Hunter 56. 0 grains of IMR 4350 powder gives the 165 grain Sierra bullets a MV of 2900 fps. 270 Winchester handloads. 308 is a mid-range rifle powder, which gives the reloader a large selection of appropriate choices. Were using IMR-4350 in various weights but 7mm-08 Favotrite loads - HuntingNet. 0 grains of IMR 4064 powder. H4350 is slightly slower than IMR 4350, for me it has always given better velocity than the original Dupont formula in cases with greater capacity than 30-06, it is what I use in the 06 Ackley Improved right now with 150 gr bullets. CARTRIDGE GRS. 260 loads with imr-4350, h-4350, rl-17. Using bullets from Sierra Hollow Point, Sierra SP, Hornady SP, Remington Pointed Soft Point "Core-Lokt", Hornady Round Nose. r/reloading: A Subreddit For Reloading! So I notice the Hodgdon site doesn't give a recommendation for the 143gr ELD-X with Varget or IMR 4895, however Sierra gives a recommendation for their 142gr HPBT with Varget, IMR 4895, and IMR 4350. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. IMR 4350 Smokeless Powder 8 Lbs by HODGDON , IMR & WINCHESTER This IMR reloading powder is the number one choice for the new short magnums, both Remington and Winchester versions. IMR recommends always consulting www. 20 Caliber. IMR 4350 is a wonderful rifle powder with a pretty wide range of calibers that it is good for. Hodgdon ®, IMR ® and Winchester ® powders neither assume nor authorize any person to assume for it any liability in connection with the use of any product or data. If at the time will discount more Savings So you already decide you want have Imr 4350 At Reloading Unlimited for your, but you don't know where to get the best price for this Imr 4350 At Reloading Unlimited. I have 129gr. 308 Winchester is not only a historic battlefield caliber, it is an established match caliber and one of the best all-around North American hunting calibers. A database of. Min Charge Max Charge Optimal Charge Bullet Make Bullet Type. IMR 8208 XBR The latest in the versatile IMR line of fine propellants, this accurate metering, super short grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges. Plan on buying a 260. Reloading the 243 Win. 30 US Army round that our Krags were designed for. 243 brass cci 200 @ 2800+ fps. January 23rd, 2019 Access Hodgdon and IMR Load Data in Reload Data Center. For magnums wi IMR 4350 Rifle Powder, 1 lb. I have played with IMR4350 a long time trying to get it to shoot the 140s (when H4350 was unobtainum) and was never happy. I went through what powder I had and I found data on IMR-4350 which I have 4 lbs of. Reloading Powder And Primers Can Only Be Sold To Persons 21 years Old Or older. The can was unopened until last night when I opened it. 40grs was repeatable. Powder Valley. IMR 4831 - Slightly slower in burn speed than IMR 4350, IMR 4831 gives top velocities and performance with heavier bullets in medium-sized magnums. Reloading Accessories; Wads; Gift Cards; Legacy Closeouts; Account. That load gets 2800 fps. 5 Creedmoor loads: 142 gr. narrow your choices » Show Filters. Norma cases and Remington 9 1/2 primers were fired in a 23" barrel to develop these loads. THEY ARE LABELLED AS "SIMILAR TO". Reduce >2 grains minimum before attempting to use. 270Win with 52 grains of IMR 4350 as a starting load and a max of 58 grains (compressed load). Anyone using IMR 4350 for 243 reloads? I've been using IMR 4064 and was wondering if anyone has first-hand data or experience with using IMR 4350,especially if you have used both powders before. 41grs shot pretty good @ around. H4350 and IMR 4350 are good in an 06 case or with a 6mm Remington and such. The fifth edition of the Nosler Reloading Guide lists loads for their excellent 125 grain Partition bullet in front of 41. 5C 3470 39000 IMR 4831 25. My experience is that my 8x57's have always done well accuracy and velocity wise with IMR 4064 with the 185's. I would think it was Christmas time if a case of IMR4350 showed up on my door. Easily share your publications and get them in front of Issuu’s. I ran out of IMR one time, thought not big deal I'll just grab this bottle of H4350. 5 Creedmoor AR. 62x54R with bullet weights of 190 or heavier. 243 brass cci 200 @ 2800+ fps. IME, the best results were with IMR 4831 and 100gr flat base bullets. Layaway’s need to be picked up in 60 days. H4895, Varget, H322, H335, and IMR 4064 with me. Miles seems like you got this all figure out, thanks for the great info. 5 Creedmoor - Duration: 6:08. 0 gr of IMR-4350 in several different. This data has all performed very well in the 1911 and k31 Schmidt Rubins. 5gr of IMR 4350 also some trial loads with IMR 7828ssc. 5x55, my manual lists the same powder levels with the IMR and Hodgdon and 4350 powders, so I should be OK using slightly reduced loads from the Hodgdon powders with IMR equivalents. Made in the U. Data chores -- gathering, cleaning, and sorting -- can be done by an outside firm, so your employees can turn their attention to analytics. Last refreshed: 16:32:24 MST (page will auto refresh when something new is found). - This Imr 4350 In 300 Win Mag is very great, with a whole lot of really like to occur see you listed here recommend. I am ready to start reloading some 30-06 rifle cartridges using the Barnes 168 grain TTSX bullets and would appreciate advice on the following issues. This is about as close as you can get to the ballistics of the original. burning powders? If I ever get to go to the range and set everything up and having a mild back day (meaning my back isn't killing me) I plan on posting my data. While the item might be priced similarly at different shops. Its chart is not complete but it is very revealing with the powders it shows. And John Urquhart Jr. Yet IMR's current data shows a maximum of just 38. 7" but it had more vertical that I liked. 9 2842 Powder Pro 4000MR 50. For magnums wi IMR 4350 Rifle Powder, 1 lb. Have to take in consideration the differance between powder Lots though. I use IMR 4064 and IMR 4350 quite a bit in 30/06 but do not use IMR 4350 in any loads I make for my Garands. 4064 is an excellent powder for the '06, though maybe a tad too fast for the 180 gr. For short magnums, there are few products that deliver the same quality as IMR Powder 4350 Rifle Powder. imr 4350 43. 8208 speed increases from 3,793fps with 22gr to 4,278fps with 24gr, an increase of over 400fps for a 2 gr increase. Unfortunately, creating a low recoil load is not as simple as just dropping the powder charge. accuracy from my Ruger #1. Another vote for IMR-4350 for the 6mm. Another vote for IMR-4350 for the 6mm. ELD-X Field reports - any caliber If this is your first visit, be sure to check out the FAQ by clicking the link above. If this is your first visit, be sure to check out the FAQ by clicking the link above. 0gr - 2012 fps - compressed load 170 gr bullet - IMR 4350 min. IMR 4831 RELOADING POWDER IMR 4831 Slightly slower in burn speed than IMR 4350, IMR 4831 gives top velocities and performance with heavier bullets in medium-sized magnums. Powder Bul Weight C. IMR stood originally for "Improved Military Rifle" and the powders were used very extensively in them. The M1 Garand was a revolutionary design. 243 brass cci 200 @ 2800+ fps. H4350, IMR 4350 and RL-22 are good powders for 150-165 grain bullets. Last refreshed: 16:32:24 MST (page will auto refresh when something new is found). This load data assumes standard Winchester brass. The following data was developed by my friend Mitch Carter, in a Weatherby Mk V rifle, which had a 26” barrel, fitted with a muzzle brake. Old Fart Sharpshooter. Yet IMR's current data shows a maximum of just 38. 5 grains IMR-4350, Rem LR primer, and believe it or not, the old Speer 'red box' 180 grain SPBT. 13 lists loads up to 50,000 psi for strong 8x57JS rifles. IMR IMR 8208 XBR Rifle IMR 8208 XBR Rifle. Check out our selection of IMR reloading powder below!. Books & Media. IMR DUPont 4350 Powder, One pound bottle at Nagel's Gun Shop located in San Antonio, Texas. I can get real close to 3100 fps with the 180 gr. RELOADING MANUAL• 5TH EDITION Test Specifications/ Components IMR-4350 44. Photo may not depict available powder type. Reloading - 7mm-08 Favotrite loads - We"re also reloading 7mm-08 with 140 gr. 243 Winchesters (2 Model 70's and a Savage 110) with various 100 gr bullets. Stock # 5448600105 800X IMR 800 X 1LB. IMR 4227 IMR 4320. For example, I am looking at my 48th edition Lyman manual where it lists a 90 grain hollowpoint bullet in the. Size: 1 Lb Container. H4350 and IMR 4350 are good in an 06 case or with a 6mm Remington and such. Should have results posted in a day or two. 7 grains, as they suggested. 5 Creedmoor would like to try 130 grain VLDs and IMR4350. The proper burn rate powder for the. 5 Creedmoor with 16. To wrap things up we came back to the H4350 and did the 39. Then the RL-23 was run followed by N550 and IMR-4166. 0 Alliant Reloder 15 Winchester CCI 200 28. Accurate No. IMR 4831 RELOADING POWDER IMR 4831 Slightly slower in burn speed than IMR 4350, IMR 4831 gives top velocities and performance with heavier bullets in medium-sized magnums. The rifles concerned, despite being very strong, are 50 years old. Books & Reloading Manuals IMR – POWDER IMR 4350 1LB Smokeless Powder IMR – POWDER IMR 4895 8lb KEG Smokeless Powder $ 345. From the Sisk rifle, and several other. Pretty mild load according to Hodgdon's reloading tables. From the list, there are 15 powders between them. If you are using the 107 gr bullet, you may want to rethink your loading. Nosler 140gr RDF loaded with IMR 4350 in Ruger Precision Rifle in 6. auto-style1 { font-family: Verdana, Geneva, Tahoma, sans-serif; font-size: medium; } IMR 4198 Smokeless Gun Powder 1LB In Store Pick up Only Shipping Unavailable At this Time!!!! IMR 4198 is a fast burning rifle. RELOADING MANUAL• 5TH EDITION Test Specifications/ Components IMR-4350 44. Have shot these in my Pre 64 Model 70, my Post 64 Model 70, a Ruger M77 and my father's old Remington 721. 0 grains of IMR 4064 powder, and up to 2,915 fps in front of a maximum load of 51. For magnums with light to medium bullet weights, IMR 4350 is the best choiceSize: 1 Lb Manufacturer: Hodgdon Powder Co. I spoke with the factory techies and they suggested starting with a COAL about 0. The 4350 also works quite well for the 600 overkill rifle which i have. Another vote for IMR-4350 for the 6mm. imr (43) scot powder (3) winchester (23) closeout. Shop in Store. Yet IMR's current data shows a maximum of just 38. I could have gone much higher, but stopped with that accuracy and they're still running right at 3000fps. I think 4350 either way is the almost perfect fit for the short mags!! I prefer the "H" version myself in my rifles but I also load for at least 4 other 300 shorts and the "H" version seems to give just a little better accuracy. 270 Winchester Load Data. I'd recommend staying with something in the H4350/IMR 4350 range. I can get real close to 3100 fps with the 180 gr. October 25th, 2016 Get Current Hodgdon and IMR Loads at Reloading Data Center. The Nosler data shows that a 20gr bullet is fastest with H322, (4,328fps with 23gr) then IMR 4895 at 24. It has characteristics that makes it work well for applications previously using various 4350’s, Hercules Reloder 19, and the various 4831’s. By clicking the 'I Agree' button, I understand/accept and will agree to abide by the precautions and warnings outlined above. I have been wanting to play with IMR 4007ssc for some time now, havent had the opportunity to pick a pound of it up or time to load and shoot it. rifles with 24 " barrels, propellants such as IMR 4350 and Reloder 17 produced the highest velocities with 150-gr. Available for use in many reloading applications, the IMR series of powder is trusted by reloaders all across the globe. I have four manuals here with me and a couple more at home and it turns out none have data on the 6. In my AR-10 the load is 43 grains of IMR 4350 using a 150 grain Speer SP.