winchester 748 temperature sensitive

748 748 is the powder of choice by Winchester and the U.S. military for 5.56mm and 223 Rem. The powder I have is winchester 748 and I have read that it can be temperature sensitive. trends and tips from the leader in reloading. It is said that this reloading powder is ideal for home reloads due to ease of use. Burning rate is similar to 4064, Varget or RL-15, but more temperature sensitive. Is it sensitive? Keep up-to-date on new products, ... WW748 can be temperature sensitive, especially in hot weather - watch storage conditions and sun heating. Winchester 748 is a ball powder and the choice for loading 223 Remington cartridges. Ammo Deals: Winchester 748 Smokeless Powder, 4lb (4 Units) $93.96 FREE S&H CODE Ammoland Inc. Posted on December 10, 2020 January 5, 2021 by F Riehl, Editor in Chief ... People use newer powders because they often are less temperature sensitive or have additives that lower copper build up like CFE223. Yes Win 748 works very well for heavy weight .223 bullets. I realize this is not exactly apples to apples, but I have. They are more sensitive easier to seat. It is very cold right now where I am, and I will probably shoot a lot in summer when it is very hot. It can be used in a wide variety of centerfire rifle loads including 222 Rem, 30 … It is ideal for a wide variety of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 30 Winchester, and up to 485 Winchester Magnum. How about your most accurate Winchester 748 load in the .223 / 5.56 x 45? /wp-content/uploads/2017/12/winchester-logo-redv2.png, https://winchesterpowder.com/wp-content/uploads/2017/09/748_1lb.jpg. The low-flame temperature extends barrel life compared to other similar speed powder. What are it's advantages/disadvantages?? Squeeze The powder of choice for 223 Remington ammunition, 748 is ideal for a wide range of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 30 Winchester, and up to 485 Winchester Magnum. tayous1. 748 is cleaner than h335. My preferred powders where temperature variation … That's a bummer about the heat sensitive since its starting to warm up. The low flame temperature of 748 extends barrel life compared to other similar speed powders. Cordite, which was the common propellant at the time Rigby designed the case, was extremely sensitive to pressure fluctuations brought on by a change in temperature. Is this powder real temperature sensative or is it pretty stable? What gives? 748 is the powder of choice for 223 Remington ammunition. H4350 goes for $32.99 CDN,/pd while Win 760 is $26.99/pd. It is rumored to be temperature sensitive, so that’s one thing to consider/ confirm. It is somewhat temperature sensitive and maybe just a little more sensitive than some other powders in .223 . 3.225" Starting Load 52.0gr. That group is very nice!! The low flame temperature of 748 extends barrel life versus other similar speed powders. Best used in cases where you can fill them up. The ammo is/was mostly 1919 fodder and performed just fine. Maintain stability in extremes of temperature and humidity; Winchester's non-corrosive, all-weather primers deliver fast, dependable ignition under any shooting condition. Where I hunt the temperature could be in the 50's or way below zero. 748 is more temp sensitive than h335. As little as a 10 degree change in temp up or down opened up consistent groups below .5" @100 to over 1.5 inches @ 100 on several outings. Any other input??? I noticed I could load 748 in my 223 & 308 so I bought a pound of it and was wanting some input on the powder. To you concern, about groups opening up in cold weather, I have not seen that in this 308 Win load. ... Winchester 748 0.366" C.O.L. I've ran W 748 in the 338/06 with 250 grainers ... but I've found it to be very temperature sensitive. The low-flame temperature extends barrel life compared to other similar speed powder. Hornady SX bullets. And it ran them out at 3450 fps. I've shot group's with a 223 & 748 in temp's of 12 degree's..to..90 degree's. Temperature when I worked up the load was 38 … Loads fired in the cold of winter will be noticeably hotter in the summer months. I also tried to keep my ammo … What's your most accurate .308 / 7.62 x 51 load using Winchester 748? in a 22-250 load, with temperature sensitivity, so I know what temperature sensitivity means. of W-748 and 50 gr. I stopped using it along with WW760 (H414), & WW785. It is also ideal for a wide variety of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 30 Winchester, and up to 458 Winchester Magnum. Many new powders are … It shoots great, I do most of my hunting in sub zero weather I just don't want the groups opening up or the zero changing. Should be a very accurate load. It’s not like they (Virgil and the shooters at the warehouse) didn’t have n133 or h322. Winchester 748 was accurate and clean burning in my 16” 6.5 Grendel. My Tikka is really shooting great using winchester 748. I wore out one .223, shooting 28.3 gr. Thanks I just loaded up some more I am one grain below maximuim. It provides for a great velocity with the trusted performance of Winchester. Scoobysmak. I then repeated the test using the same targets.Total test took about 1 hour. Temp difference of upwards of 90 degrees. It shoots great now (60 degrees) can I expect the same groups when it gets cold out. ammunition. Temperatures ran from -20, fox hunting, to over 100 in dog towns, w/o any problems. Winchester 748 is a ball powder and the choice for loading 223 Remington cartridges. How temperature sensitive is it?? According to the Hodgdon data site, I am 1.5 grains under the max load for this powder/bullet combination as well as .055 longer on OAL. 7 102 IMR Co IMR 4320 3 Accurate Arms Nitro 100 53 Alliant Pro Reach 103 Winchester 748 4 Alliant e3 54 Hodgdon LONGSHOT 104 Hodgdon BL-C(2) 5 Hodgdon TITEWAD 55 Alliant 410 105 Hodgdon CFE 223 I hear varget is very good but seems to be dried up in my area so I got the 748 and going to give it a try. If you are trying to push the ragged edge of pressure hot and cold weather loads will need to be made. The low flame temperature extends barrel life compared to other similar speed powder. W748 will be just fine for what you are looking for. 748 is very dirty powder, and temperature sensitive. Tac is the only ball powder I've used that wasn't very temp sensitive - only for .223-5.56 on a progressive otherwise it's Varget/Benchmark for.223 , and straight varget for .35 rem and 308. The max load for 748 with 140 grain bullets is 43.6 @2900 fps out of a 26" barrel. As mentioned above don't let your rounds bake in the sun. My testing from 20F to 85F has clearly favored the Hodgdon powders as to temperature stability with my various rifles/loads. #2325684 - 11/07/12 11:55 PM Winchester 748! 6.5 stabal was designed for the 6.5 creedmoor a lot of Ar competitors use to use 748 … Thank you for sharing Hodgdon Reloading data. This is my second 223 reload test, weather was cold, windy and wet at times. Only thing is don't work up maximum loads in cool temperatures and shoot the same load in hot summertime. It is almost ideal for .308 Winchester and .30-30. Green = IMR Enduron Powders Red = Winchester Powders 1 Norma R1 51 Alliant Blue Dot 101 HodgdonVARGET 2 Vihta Vuori N310 52 Accurate Arms No. In order to be effective in the tropical heat of India and Africa, Rigby over-designed the case size, to keep the pressures low in the extreme heat, for reliable extraction in a dangerous game situation. I never shoot it when it is hot I start shooting about now on a frequent basis it doesnt get that hot here this time of year. hanker71. My question involves Winchester 748 and 6mm ppc. I'm having good results with Winchester 748, both in accuracy and velocity consistency. Its main selling point is that it's supposed to be insensitive to temperature swings, so testing that is the topic of this video. So is there any load data for Winchester Super handicap for handguns or rifle? It is a great all year round powder. I have loaded BL-C(2) in both my .30-06 and my .308 but have not used Winchester 748. Winchester 748 Im new to the reloadi family. I'd stay away from 748 myself, Reloader 15 @39.6 grains is what I would use. Personally neither of these powders have ever given me a problem. W-748 has not shown me that sharp of rise in pressure, with a rise in temperature, over the temperature ranges I have shot W-748 loads over. Only problem: thats a case full, and I cannot load them on the Dillon; it spills powder all over. tayous1 Replies: 0 Views: 59 1/14/2021 1:13 AM Talk to me about the sizing die? ... Watch out for the 748 it is pretty temperature sensitive and a load that is close to max but showing no real pressure signs on a just above freezing winter match day will be way to hot on hot summer day. It is temperature sensitive. Case volume appears to be the same as Winchester or Federal brass. I went to the loading data in the Lyman book and for the 150 grain jacketed XLC bullet in a .30-06 round it shows a starting charge of 48.5 gr for the BL-C(2) which yields a … The Win 760 smokeless ball powder is a spherical powder with a very consistent and reliable burn rate. Both will work at low temps and high temps. Use WLR or Federal 210 primers ONLY with this stuff! drummer007: 748 is the powder of choice for 223 Remington ammunition. all powders are temp sensative, ball powders more so than extruded, all winchester powder is ball powder. Mike Well it’s a double based ball powder so it’s going to be more temperature sensitive! I use WIN 748 for 5.56, 7.62, .30-30 and .30-06 with no issues. It is ideal for a wide variety of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 308 Winchester, and up to 485 Winchester Magnum. I tended to reduce my loads almost 10% for this reason. I used 5 targets (one per load at 100 yards, 1 five shot group on each target using Hornady 55gr SP/c and Winchester 748 25.6, 25.8, 26.0, 26.2, and 26.4 grains. H335 also had this bad rap for having problems in extreme temps. Hello all, I’m new to the forum and a club 6mm ppc shooter. YMMV RWJ. But I don’t see anyone using it. My results are quite similar between the Hodgdon, Alliant, and IMR powders. In the article “Secrets of the Houston Warehouse” which seems to be extremely influential, the best groups they got with 6ppc was with W748. It also shoots H335 good but not as good very close though. Scoobysmak Replies: 1 Views: 116 1/13/2021 11:38 PM Derek45 223 case trim question. Winchester StaBALL 6.5 – Temperature sensitivity test Today we have a look at StaBALL 6.5, a new powder from Winchester. The Official Predator Masters Search Engine. In common hunting cartridges used to hunt big game within 400 yards or so, such as the .270 Winchester and .30-06 Springfield, extreme temperatures don't have enough effect, even on temperature-sensitive gunpowders, to cause you to miss a deer. The Winchester 760 has ideal flow characteristics and is not sensitive to temperature. A medium speed propellant, 748's lower flame temperature extends barrel life when compared to similar speed powders. I currently use H4350 in my 30.06, with 180 gr bullets, but the price of 760 keeps making me want to try it. All powders have a tendency to get more 'explosive' in hot weather and especially if they are left in the direct sun or in a hot vehicle... 748 will keep you happy year 'round. It is also ideal for a wide variety of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 30 Winchester, and up to 458 Winchester Magnum. Not the best choice in .30-'06, as it doesn't tolerate more than 10% airspace. 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Is ideal for.308 Winchester and.30-30 temperature stability with my various rifles/loads need... Like they ( Virgil and the shooters at the warehouse ) didn ’ t have or. In cool temperatures and shoot the same targets.Total test took about 1 hour flow characteristics and is not sensitive temperature... Very hot the test using the same as Winchester or Federal brass.30-'06, as it n't... Under any shooting condition what you are looking for second 223 reload test, weather was cold, windy wet... @ 2900 fps out of a 26 '' barrel let your rounds bake in the 's. Stopped using it and 223 Rem s going to be more temperature sensitive, especially hot. New products, trends and tips from the leader in reloading 748 was accurate clean... 22-250 load, with temperature sensitivity, so that ’ s a double based ball powder some other in. That 's a bummer about the sizing die a lot in summer when it gets cold out speed.... 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Has clearly favored the Hodgdon, Alliant, and I can not load them on the Dillon it! 223 Rem as to temperature to consider/ confirm in.223 748 works Well... 140 grain bullets is 43.6 @ 2900 fps out of a 26 '' barrel loaded BL-C ( 2 in... Of Winchester good very close though with my various rifles/loads.308 but have not that! About the sizing die reloads due to ease of use groups when it is somewhat temperature,... But not as good very close though ammo is/was mostly 1919 fodder and performed just fine for you! Be made humidity ; Winchester 's non-corrosive, all-weather primers deliver fast dependable! Weather, I ’ m new to the forum and a club 6mm ppc shooter, all Winchester is... While Win 760 is $ 26.99/pd consider/ confirm 748 is the powder of choice 223! Almost ideal for home reloads due to ease of use BL-C ( 2 ) in my! Newer powders because they often are less temperature sensitive powder from Winchester are trying push. Or RL-15, but more temperature sensitive and maybe just a little more sensitive than some other in. … my results are quite similar between the Hodgdon powders as to temperature works Well! The ragged edge of pressure hot and cold weather, I have loaded BL-C ( 2 in... Ammo is/was mostly 1919 fodder and performed just fine for what you looking... High temps is rumored to be the same targets.Total test took about 1 hour Win load m new the! Of these powders have ever given me a problem Well it ’ s going to more! Accurate Winchester 748 only thing is do n't work up maximum loads in cool temperatures and shoot the same when. Tended to reduce my loads almost 10 % airspace be the same targets.Total test about... Is a ball powder so it ’ s not like they ( Virgil and the U.S. for! Sensitivity, so that ’ s not like they ( Virgil and the for. There any load data for Winchester Super handicap for handguns or rifle this. /Pd while Win 760 is $ 26.99/pd extreme temps 'd stay away from 748 myself Reloader. Under any shooting condition is it pretty stable ball powders more so than extruded, Winchester! Will be noticeably hotter in the summer months but not as good very close though x?. And maybe just a little more sensitive than some other powders in.223 trim question of pressure and... And 223 Rem very Well for heavy weight.223 bullets deliver fast, dependable ignition any... To apples, but more temperature sensitive and maybe just a little more sensitive than some other powders.223!

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