Keeping things very simple, I used the calculator on Hornady's website and plugged in the appropriate numbers. _____ To them, 400 yards is close. Ok, ok, pic of the rifle: Posted: 6/28/2009 2:49:04 AM EST It's not. To minimize the effect of a warm chamber, I attempted to send each shot through the chronograph screens within three to five seconds after dunking the cartridge into the action. Thread Status: Not open for further replies. This is the second product developed for us with this TZ® process, the first being AR-Comp™. I used 55 gr. Twitter. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. 197 powder burn rates are on this chart. vs 6.5 Creedmoor — Cartridge Clash, Big Round-Up of Must-See Reloading Tools & Components for 2020, Gunpowder Temperature Sensitivity: Fact or Fiction, New for 2021: Crimson Trace Brushline & Hardline Scopes, New for 2021: Frankford Arsenal FX-10 Progressive Reloading Press, Mossberg Patriot Predator 6.5 PRC Rifle Review. jjw Mossy Horns. If so, are the velocity variations caused by extremes in temperature enough to change point of impact at hunting ranges and cause a miss on an animal? The Large Rifle cases improve ignition consistency where extreme temperature swings are prevalent. Our elite forces and civilians utilize various semi-auto platforms to engage targets at extreme long ranges. Fortunately, the author had prepared by practicing in local conditions and was able to make a clean kill on this cull Aoudad when an opportunity presented itself at the outside edge of common hunting distance. The author takes stock of rimfire rifles he's known and loved. I've seen posts about Reloader 15 being temperature sensitive. Testing CFE223 Temperature Sensitivity Today I attempt to test CFE 223 temperature sensitivity. of Rel 10X, WW casings, and Remington 7½ primers. First, let's establish what "hunting ranges" means. Because the ballistic performance at extreme temperature is completely dependant on the specific combination, it is very difficult to quantify and qualify. I also allowed the rifle to cool — as much as it would on a 95-degree day — between five-shot strings. The difference is less than two inches. DS18B20 2m 1-Wire Digital Temperatur Sensor Wasserdicht mit 1Wire Adapter Shield. The difference between propellant types — 86 fps — was significant. This makes it ideal for traditional hunting cartridges such as 30-06 Spring. We update our guide on a regular basis - find the latest recipes in your favorite calibers here. … Others, such as Hodgdon's Extreme line, are purposely designed to be stable in extremes of heat and cold. Alliant's Reloder line is one, for example. The Reloder 16 burn rate is slightly faster than that of Reloder 17, well within the 4350 burn speed band. The next morning, I set the ammo box on the dash of my truck and let it sit in the August sun until after lunch, by which point the interior of my pickup was stiflingly hot. All input or personal experiences with the two are greatly appreciated! At least 65 grains is needed for a 250 grain bullet and at least 60 grains for a 300 grain bullet. & 8 lb. Reloading Guide #9 consists of load data for 101 rifle and handgun cartridges with hundreds of new powder additions throughout the book creating a comprehensive data set for today's reloader. Reloader. I did my load development in 90-degree heat, leaving the ammunition in the sun in order to best prepare for my safari, so there was no real noticeable difference in point of impact due to the increased temperatures. Although The High Road has attempted to provide accurate information on the forum, The High Road assumes no responsibility for the accuracy of the information. Use the guide. I know that Varget is the benchmark for temperature insensitivity. I still have some Reloader 15 that I will use up, but after it's gone, I'll switch to AR Comp. Let's double the distance and run the numbers: Again with RL-22, the projectile drops 144.5 inches with the frozen ammo and 131.2 inches … Powder temp sensitivity is an often over looked part of load development for long range precision shooting but a very important aspect none the less. Clearly, as distances stretch, temperature sensitivity becomes far more critical. To prove or disprove allegations of temperature sensitivity, two propellants — one reputed to exhibit variations, one reputed to be quite stable — were tested. Learn More. This video is to show that if you live in a area with large seasonal temperature swings(130 degrees between videos) you should not do load development in the winter. Here are five vastly different big game bullets that regularly provide outstanding precision... Give a Gift FWIW, Reloader 10x and Hodgdon Benchmark (Extreme line) have a good reputation with the 204 as does H335 and WW-748 although the latter two are probably more temperature sensitive. You need to mark them at the temperature the were tested. Most hunters have no business shooting at game past 300 yards, but we'll give ourselves the benefit of the doubt and make 400 yards the outside parameter of our standard, common, hunting-range category. Berry’s plated bullets with 27.8 gr. If you shoot long range, though, you'd better be familiar with your velocities and the trajectory of your bullet in the conditions in which you'll likely shoot. If you hunt in very cold weather, get out and practice in very cold weather. Info is for educational purposes only. I used Nosler's 160-grain AccuBond and two propellants, Hodgdon's H-1000 — which has a reputation for stability in temperature extremes — and my old standby, Reloder 22 — which has a reputation for volatility in temperature extremes. Less than 1fps per degree change in temperature. Reloader 22 temperature sensitivity. ... BTW, my current 308 load is 42gr of Reloader 15 and 175 SMK's out of a 22" Rem 700. To answer the last of our threefold question (is temperature-induced variation enough to cause a miss at hunting ranges) we need to run some ballistic calculations. of 2.260 inches. 12789. Let's look at H-1000: At 800 yards, the bullet drops 153.8 inches with the frozen ammo and 148.6 inches with the hot ammo. EUR 1,00 bis EUR 1,99. Also great in light bullet .308 Win loads. Take note of the far tighter extreme spreads and standard deviations. We see terrific efficiencies, SDs, accuracy and flat temp response from these powders. This chart is for informational purposes only and is not designed to take place of data in conventional reloading manuals or this site. Ideally, I'd have frozen the rifle between each cold-round shot, but, unfortunately, the range doesn't have a deep freeze, and I wouldn't have had time if it had. Thread starter Wyatt Smith; Start date Dec 21, 2019; Wyatt Smith. The multifaceted nature of this "fact or fiction" topic bars a simple yes or no answer, but we can come away with this: Yes, temperature does affect velocity, and it affects some propellants more than others. Starting temperature was 79 degrees Fahrenheit, final testing was at -51 degrees Fahrenheit. FWIW, Reloader 10x and Hodgdon Benchmark (Extreme line) have a good reputation with the 204 as does H335 and WW-748 although the latter two are probably more temperature sensitive. We've been asked to compare Varget and Shooters World Precision powder. A few powders are what is know as "reverse temperature sensitive". I am shooting .243 Win with Berger 105g Hybrids, Win brass, Tula LR primers. Each batch was loaded with charge weights near maximum but previously proved to be safe in that particular rifle. I've not experienced anything anywhere near the 3+fps per degree temperature that Alliant stated to Mac438. 3. Numerous modern smokeless powders are double base in construction, containing both Nitrocellulose and Nitroglycerine. How sensitive is it? and 222 Rem. Here an extra observer can also be of great help to determine the ejection energy level. I've seen posts about Reloader 15 being temperature sensitive. EUR 7,49 (EUR 7,49/Einheit) Kostenloser Versand. This is easily quantifiable by the distance the cases are being ejected. I haven't done very extensive testing, but what I have done seems to be fine. EUR 2,49. All Palmetto Reloading Gear/Accessories! Designed by reloaders for reloaders, the Frankford Arsenal FX-10 is a 10-station automatic-indexing reloading press purpose-built from the ground up to be the ultimate progressive reloading press. I'm in Alaska so my temperature range that I'll mostly be shooting in will only range from about 40 degrees to 70 degrees. That calculates to 0.76fps / degree F, and is similar to what I'm seeing from my 30/375 Ruger Improved with RL33. Facebook. majcl5--I never used Rel 10X with 40 gr. N530 high energy powder The fastest of Vihtavuori's N500 High Energy series, the N530 is an ideal reloading powder for many of the smaller bottlenecked cases like the .223/5.56, or large straight-walled cases such as the .45-70 Springfield. Alliant Powder Reloader's Guide. Trouble is, many propellants with a reputation for instability in extreme temperatures are very good powders that make assembling accurate hand loads easy. DS18B20 Temperatur Fühler Sensor Edelstahlgehäuse wasserdicht Ausgang Digital . Reloader 10x--is it temperature sensitive? | But don't expect loads developed at 65 or 70 degrees to produce the same pressure at 90 or 100. Alliant introduced AR Comp a couple of years ago and according to Alliant, it is less temperature sensitive than Reloader 15. But what about all the long-range shooters out there now that consider connecting on a deer at very long distances to be the greatest "trophy" of the hunt? _____ "No man is above the law and no man is below it; nor do we ask any man's permission when we require him to obey it. Now days I stop far enough back from the max that temperature isn't an issue. So, we broke the testing down to the most important aspect of gun powder, temperature sensitivity. The few I've tested so far live up to that claim. The difference is much less, only 5.2 inches. All the ammo used in testing was loaded in April 2019. Re22 gave me the best results I ever had in .280 Remington, but the potential for velocity variations made it a no-go for me. I chambered one of the special handloads I'd developed six months earlier and shot at my 400-yard gong. Why temperature sensitivity matters in reloading Varget vs Shooters World Precision. I too am somewhat temperature sensitive, and will not be out there in 100 degree weather, but 85 or 90 is not out of the question. I missed. Half of each batch I put in the freezer overnight. Available in 1 lb. THR4L Member. So if temperature-induced velocity variation does indeed occur, let's also examine the effect on point of impact at 800 yards — double our typical "long" distance. The difference is 13.3 inches, which is certainly enough to cause a complete miss on a deer-size animal, and a miss — or worse, a wound — on an elk-size animal. ReddIt. If it is your hypothesis that there is a temperature sensitivity with the RL25, perhaps, I would recommend that you measure the temperature of the ammo just before you shoot and create a temperature curve, if it exists. It also spawned an entire family of cartridges. Powder Storage in Reloader Hoppers. Philip Massaro-May 3, 2017. This was due to the amount of cordite in the powder. And like IMR’s Enduron line, they feature a de-coppering additive that helps prevent heavy metal buildup. I've tested AR Comp in the 308 Win. Let's double the distance and run the numbers: Again with RL-22, the projectile drops 144.5 inches with the frozen ammo and 131.2 inches with the hot ammo. With H-1000 the difference is less than one inch. Winchester StaBALL 6.5 – Temperature sensitivity test Today we have a look at StaBALL 6.5, a new powder from Winchester. I still have some Reloader 15 that I will use up, but after it's gone, I'll switch to AR Comp. Reloader 22: IMR7828: WXR: Tu 8000: MRP : N165: AR2217: H1000 : N170: AR2225: Retumbo: Reloader 25 : Magpro : 24N41: AR2218: H870/ H50BMG : AA8700: 20N29: This website is operated by Thales Australia Limited (Thales Australia), a company incorporated in Australia (ACN 008 642 751), trading as Australian Munitions. The question we're tackling here is threefold: 1. The .222 Rem. I'm running RL17 in my 300WSM hunting rifle and it performs extremely well. Do your own load ups. It was hot, July-in-Utah hot. I think anyone who is reloading and working up loads just need to work up loads at temperature they are going to be used. Reloading ammunition is a great hobby and saves money. H4350, IMR4451 and Reloder 16 are likely the least temperature sensitive. Worse, when I opened my action, smoke poured out of it and a loose, soot-blackened primer fell out of the base of the empty cartridge case. Here's what I found: With RL-22 powder and a 200-yard zero, the 160-grain Nosler AccuBond (B.C. Specifically, H-1000 had 44 fps disparity between temperature extremes; RL-22 had 130 fps disparity. My limited data is also in this range of 0.5 - 0.8fps / degree F range. I know that Varget is the benchmark for temperature insensitivity. EUR 1,35 Versand. CFE 223, LC brass, CCI 450 primers, and an O.A.L. All RifleShooter subscribers now have digital access to their magazine content. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. containers. We don't have space to address it here, but another element that exerts additional drag and drop on cold ammunition is the density of colder air. Contrary to many claims about Alliant Powders, I haven't found the Reloader series to be that affected by temperatures. Alliant introduced AR Comp a couple of years ago and according to Alliant, it is less temperature sensitive than Reloader 15. Subscriber Services. Reloder 26 has a high bulk density that allows larger powder charges, and it provides a consistent, controlled response to temperature … The result? This means you have the option to read your magazine on most popular phones and tablets. Confirm this if you can: IMR powders are temperature sensitive. sensitive. I'm considering it for lighter-bullet .223 and .308 loads, but we get 80 degree temperature … I am relativity new to reloading, and I started with Varget because I wanted a temperature stable powder, but, as I said, I can't get the velocity. Am I being too over cautious? 24.5 Grains reloader 10X Lapua Brass CCI BR4 Primers 34 Grain Dogtowns shot 4 in the same hole @ 200 yards today, the 5th was out by 1 "1:12 twist Weatherby Vanguard 1.5 timney trigger $$$$$ 22-250 is 34 Grains of reloader 10X Rem Brass CCI 200 primers 34 Grain Dogtowns shot 3 in the same hole @ 200 yards and the other two were 1.36" out. I am using RL-50 in my 338LM, again with a long barrel-(34"). What are the negative affects? I live in northern OH and there are only a few times a year that the temperature gets above 90 and quite frankly, I don't like to shoot in the heat anyway. Lately I've been messing around with some duplex loads and 10X. IMR4451 and 143-grain ELD-X bullets make a great hunting combo for the 6.5 Creedmoor. Then plug those numbers into your ballistic app. The following information is provided as an introduction on the stability, storage, and safe handling of modern smokeless propellant. I've read some concerns about temp sensitivity. in temperature extremes. The large rifle primed 6.5 Creedmoor cartridges cases are purpose-built to function flawlessly in these platforms. ... H4198 is not temperature sensitive if you shoot enough of it. These two powders are incredibly similar. It manipulates the response of the material and resists the natural tendency to generate more pressure at higher temperatures and less pressure at lower temperatures. I'm thinking of buying a pound of one of these two powders for my CZ 527 Varmint in Kevlar 24" barrel 1:12" twist to try so far I've tried Benchmark with pretty good results. 100 verkauft. In the old days of reloading brass, temperature fluctuations caused a great deal of issues on the powder charge, causing extreme differences in the way the ammo performed. Hybrid 100V is a double base ball powder and as such is more temp sensitive than single base powders. With frozen-ammo velocities in the bag, I then shot the ammo still cooking on the dashboard of my pickup. The answer to the second question is also yes: The disparity was much less with one propellant brand/type than with the other. Just wondering, but do you measure the distance form the chrono to muzzle everytime? All this translates into small groups at extended ranges! Thus prepared, I loaded up my chronograph and rifle, put the frozen ammunition in a small cooler with several ice packs and headed to the range. Reloader 15 is a bit temperature sensitive, that's why the Military dumped using it in the M118 L/R ammo. Neither The High Road nor any of its directors, members, managers, employees, agents, vendors, or suppliers will be liable for any direct, indirect, general, bodily injury, compensatory, special, punitive, consequential, or incidental damages including, without limitation, lost profits or revenues, costs of replacement goods, loss or damage to data arising out of the use or inability to use this forum or any services associated with this forum, or damages from the use of or reliance on the information present on this forum, even if you have been advised of the possibility of such damages. Re: Reloader 25 Temperature Sensitivity (???) Reloading: Temperature Sensitive Powder? Depending on the size of the game, that's still enough to potentially cause a miss, but the disparity is more acceptable. is not only a classic round. So the answer is no: When using a temperature-sensitive propellant, even extreme swings in temperature won't cause enough disparity in point of impact to make us miss a game animal. Currently, the 3 top powders are Alliant 1200R, Alliant Reloader 10X and Vihtavouri N530. How does Reloader 10X compare? Lower temperatures result in more drag on your bullet, which will open up the disparities shown above even more. Was going to consider it for my 6.5x47 build, thinking it would be an excellent powder for the 6.5. That is, as the temperature rises, they develop less pressure and accordingly, they develop more pressure as it gets colder. Re: Reloader 25 Temperature Sensitivity (???) Commodity cost increases in brass and lead in recent years have resulted in many new and/or returning reloaders trying to stretch their budget. Reloder ® 26 Outstanding efficiency in magnum rifle cartridges. Both propellant types shot significantly higher velocities with the hot ammunition. I was set on H335, but am worried about the temperature sensitivity. 1. For subsonic use, Vihtavouri Tin Star is a low density, clean burning powder that is very effective. The propellant's burn speed falls between that of Reloder 22 and Reloder 33, and it incorporates EI technology to produce extremely high velocities in magnum cartridges. In my younger days I had a couple rifles with 2 loads one for cold one for hot. How does Reloader 10X compare? 24.5 Grains reloader 10X Lapua Brass CCI BR4 Primers 34 Grain Dogtowns shot 4 in the same hole @ 200 yards today, the 5th was out by 1 "1:12 twist Weatherby Vanguard 1.5 timney trigger $$$$$ 22-250 is 34 Grains of reloader 10X Rem Brass CCI 200 primers 34 Grain Dogtowns shot 3 in the same hole @ 200 yards and the other two were 1.36" out. 2. But heat and cold still play a role in how much pressure powders produce … As you can see from the sweat streaming off the author's face, hunting Texas can involve high heat. I've heard the RL-10X is more temp. By. As such, it is ideally suited for benchrest and small varmint cartridges like the 6mm PPC, 22 PPC, 6mm BR, 223 Rem. Are some propellants more temperature sensitive than others? Furrier says that RL 23 is NOT sensitive to temperature shifts: “Reloder 23 was developed to bring a truly temp-stable powder to the Reloder 22 burn-speed range using Bofors new process technology. After video was posted found a loose gas block causing cycling … The Rifleman's Journal: Cartridges: 7.62 NATO Long Range Match Cartridges - Part 2 The result, when it was standardized as the MK316 Mod 0 cartridge, was a Federal modified case (Drawing number 8347636), Federal match primer, Sierra 175 grain Matchking and … I would not take RL22 or most powders and work up a MAX load at 25deg and then assume it would be safe at 75 or 100. Powder needs to be stored in original containers ONLY, when not in use. Muzzle velocity was right in the 3,805 fps to 3,850 fps range. AH elite. My most accurate load for Rel 10X was with 24.8 gr. Discussion in 'Handloading and Reloading' started by THR4L, Apr 22, 2009.
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