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Mar 14, 2019 · Accurate 4350 in it's current form is made in the IMR plant in Canada, and my current load with it for 30-06 and a 190 grains Nosler is 58.8 grains and that is 2% off of where I found pressure. My H4831 load is 59 grains. So it is quite a bit slower than the other 4350's. IMR 4831 or 4350 do well, my go to powder for my 270 is H4350 with a 130 gr. Barnes TTSX. I like the H4350 the best due to the consistent velocity and accuracy over a wide temperature range. Mar 9, 2019 #19 theddguide Member Joined Jan 12, 2019 85 ...Jan 12, 2020 · I am having issues finding H4350 my Lyman manual shows very similar performance with IMR and I think all IMR powders are suppose to have some copper fouling inhibitor in them. So what is the difference does anyone have a history with the IMR powders? Savage 12BVSS Well-Known Member Joined Dec 20, 2019 Messages 1,067 Location Maine Jan 12, 2020 #2 Apr 25, 2013 · I have checked other Magnum Rifles for comparison, my Manuals show about a 9-10% reduction for IMR 4831 in a 378 Weatherby with a 270gr. And about a 2-3% Reduction for IMR 4350 vs H4350. Thus my plan is to use the same % in my 375 Weatherby Hodgdon Data. 6. Accurate 4350 is right beside RL17 on the burn rate chart for what it's worth. Accurate shows they developed load data at a max charge of 43.5 grains A4350 with 140 bullets. Hodgdon stops at 40 H4350 and 41 of IMR4350 at slightly lower pressure.Mar 29, 2020 · Starline is less case capacity than Hornady, not enough difference to cause pierced primer but to get same velocity, need to drop charge weight vs Hornady. IMR 4350 has usually needed larger charge weight to get same velocity, slightly slower burning vs H4350. At least from lot #s I’ve used. IMR4350 is a very useful powder for a lot of ... Right now I'm loading IMR 4350 and I'm satisfied but I'm very interested in Hodgdon powder. I'm also working up a load for a another caliber right now and have been getting very consistent velocity and accuracy with H4350 compared to IMR 4350. So, I'm interested in looking at a Hodgdon powder for my 270.Reply. Save. 1 - 12 of 12 Posts. MontyF · #2 · Jun 14, 2017. Can't answer …Sep 23, 2016 · Bugger, Both IMR4350 and H4350 vary slightly in burn-rate from lot to lot, but overall I've been using exactly the same charges as IMR4350 since starting to use H4350 at least 15 years ago, with very similar results in both accuracy and velocity in cartridges from the .243 Winchester to .375 H&H. Jul 26, 2007 · I also have for years taken for granted that basically AA-4350 and IMR-4350 data was interchangeable and have used data as such. But if you REALLY look at reloading data and burn-rate charts, no one agrees with powder burn rates and this includes the 4350s. Here are where the authorities place the 4350s: Hodgdon 82. IMR4350 83. H4350 84. H4831SC performed the best in my old 338WM w/ a 24" barrel. After testing H4350, IMR 4350 and Ramshot Hunter in my rifle, 4831SC was the most consistent. I went straight to it for my new 26" 338WM and it didn't disappoint. The "SC" flows fine in my Redding LR-1000.Dec 16, 2014. #4. IMR is going to be a little hotter and more temp sensitive. dont accidentally load H4350 data with IMR 4350 powder and vice versa. H4350 will show up again. Be patient and use what the most of us in the 6.5mm (260, 6.5creed, 6.5x47L) are using. I use H4350 in my 6.5 creedmoor tac rig.Dec 17, 2012 · 450. IMR4350 is a single based powder, as is H4350, all powders are a bit temp sensative (yes even the extreme powders, the moniker is a marketing ploy) double based powders are more temp sensative due to the addition of nitroglycerin into the make-up. book max loads are safe with 4350 if the temp is below 120F. The IMR 4350 showed a 130fps change with a temperature range of 160 degrees. That is ridiculous. There was only 80fps change from ambient to -40 degrees. Unless I were shooting at game past 800 yards I couldn't see how this would even be an issue for game size targets.So well, that it is hard to tell the difference. Groups are excellent and I would be very confident in either one. In fact, I had settled on IMR 4350 based on availability but found...The lasting and overall hit against IMR-4350 is its temperature resistance ability. A great load at 50 degrees is almost certainly going to have more pressure in the upper 80s and higher. Blowing primers and hard bolt lifts are the most common things with excessive pressure, closely followed by primer pockets being stretched well before their ...Feb 15, 2019 · You have little better load density using H-4350 and it's one of Hodgdon Extreme Extruded powders. I shoot lot of it here in Co vs using IMR-4350. When I shot IMR-4350 I used mag primer and that what you use in your 338 Lapua. I'm using IMR-7828ssc in 270Wby and Fed 215 primer. My gun shoots IMR4350 great. Had heard a lot about temperature sensitivity. Is there really that big of concern with this with IMR 4350? I've wanted to...19 មិថុនា 2016 ... IMR 4451 – IMR already had powder named “IMR 4350” with a similar burn rate to Hodgdon's H4350, but it lacked temperature stability. So they ...25 កក្កដា 2007 ... In my mind this proves 100% that H4350 is the FASTEST burning of the 4350 powders. It gave the highest velocity in EVERY cartridge, sometimes ...In my 30-06, H4350 groups better with 150 gr. TTSX, while IMR4350 …

IMR4350 / H4350. Getting ready to start loading for my new to me 7mm-08. Nosler 120g BT's are the bullets I want to use. Nosler starting load with this bullet is 45g of IMR4350 / 49g max. Nosler has no data for H4350. Hodgdon starting load with the same bullet is 48g of H4350 / 50g max. Hodgdon has no data for IMR4350.Sep 3, 2021. #9. Veteran said: Those burn rate charts are relative and qualitative but not quantitative at all. Yes, it shows Accurate 4350 as slower than IMR 4350 and H4350, both if which have a quantitative burn rate of about 0.51. But Accurate 4350 has a numerical burn rate of only about 0.38.Mar 14, 2017 · IMR 4451 vs H4350 | Sniper's Hide Forum. Log in Register. Been working up loads with 4451 with pretty good success and getting ready to hop on an 8 lb for $212, Then I found some H4350 8 lb'ers but they want $277 shipped. My mind is saying that is way to flippin expensive but still intriguing. Is it that good or just been the go-to for so long ... As I already noted here, Hunter works great in the .270. Ramshot's own data lists 55.3 grains as max with a Sierra 150. It works fine with 100's in the .250-06, but the Ramhot powder for 115-120 grain bullets in the .25-06 is Magnum. Around 60 grains is maximum in their data, for around 3100+ fps.The powders below are listed in the order of their approximate burning rate, from the quickest powder to the slowest. It is important to trust in a top quality manual when reloading. This chart is only for comparison purposes. This page shows a powder burning rate chart. It shows a comparison between Winchester, Hodgdon, IMR, Accurate, Alliant ...

The Big Country. Jan 28, 2017. #2. 7828 or H1000 is going to give the highest velocity of the three you mention in the .257 Wby. Has to do with expansion ratio or how much powder you are trying to force down a given bore size. Generally, the greater the powder charge (case capacity) to bore size ratio, the slower powders are going to provide ...22 កញ្ញា 2023 ... Home Forums Hunting & Shooting Long Range Hunting IMR4350 Vs. H4350 ; Joined: Aug 2023. Posts: 327. Feral_American Online Content. Campfire ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Probably the best example of this is the slow-burning single-based . Possible cause: 6,931. Location. S. UTAH. I am loading for a 7mm-08 for the first time.