/wp-content/uploads/2017/12/winchester-logo-redv2.png, https://winchesterpowder.com/wp-content/uploads/2017/09/748_1lb.jpg. 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. Only thing is don't work up maximum loads in cool temperatures and shoot the same load in hot summertime. Is it sensitive? 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 … I stopped using it along with WW760 (H414), & WW785. Im new to the reloadi family. Hello all, I’m new to the forum and a club 6mm ppc shooter. Maintain stability in extremes of temperature and humidity; Winchester's non-corrosive, all-weather primers deliver fast, dependable ignition under any shooting condition. Temp difference of upwards of 90 degrees. That group is very nice!! drummer007: Winchester StaBALL 6.5 – Temperature sensitivity test Today we have a look at StaBALL 6.5, a new powder from Winchester. trends and tips from the leader in reloading. H4350 goes for $32.99 CDN,/pd while Win 760 is $26.99/pd. I also tried to keep my ammo … 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. And it ran them out at 3450 fps. YMMV RWJ. The max load for 748 with 140 grain bullets is 43.6 @2900 fps out of a 26" barrel. The powder I have is winchester 748 and I have read that it can be temperature sensitive. It is temperature sensitive. My question involves Winchester 748 and 6mm ppc. Its main selling point is that it's supposed to be insensitive to temperature swings, so testing that is the topic of this video. tayous1. 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 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. Squeeze hanker71. The Official Predator Masters Search Engine. In the article “Secrets of the Houston Warehouse” which seems to be extremely influential, the best groups they got with 6ppc was with W748. ... People use newer powders because they often are less temperature sensitive or have additives that lower copper build up like CFE223. It is rumored to be temperature sensitive, so that’s one thing to consider/ confirm. Winchester 748 was accurate and clean burning in my 16” 6.5 Grendel. I then repeated the test using the same targets.Total test took about 1 hour. The low flame temperature extends barrel life compared to other similar speed powder. ... 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. 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. Should be a very accurate load. I tended to reduce my loads almost 10% for this reason. 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. To you concern, about groups opening up in cold weather, I have not seen that in this 308 Win load. W748 will be just fine for what you are looking for. Both will work at low temps and high temps. A medium speed propellant, 748's lower flame temperature extends barrel life when compared to similar speed powders. If you are trying to push the ragged edge of pressure hot and cold weather loads will need to be made. ... 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. 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. Scoobysmak Replies: 1 Views: 116 1/13/2021 11:38 PM Derek45 223 case trim question. Best used in cases where you can fill them up. They are more sensitive easier to seat. 3.225" Starting Load 52.0gr. 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. 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. What's your most accurate .308 / 7.62 x 51 load using Winchester 748? The Win 760 smokeless ball powder is a spherical powder with a very consistent and reliable burn rate. Loads fired in the cold of winter will be noticeably hotter in the summer months. How about your most accurate Winchester 748 load in the .223 / 5.56 x 45? The low flame temperature of 748 extends barrel life versus other similar speed powders. of W-748 and 50 gr. I use WIN 748 for 5.56, 7.62, .30-30 and .30-06 with no issues. My preferred powders where temperature variation … I'm having good results with Winchester 748, both in accuracy and velocity consistency. I wore out one .223, shooting 28.3 gr. Case volume appears to be the same as Winchester or Federal brass. How temperature sensitive is it?? So is there any load data for Winchester Super handicap for handguns or rifle? What are it's advantages/disadvantages?? I'd stay away from 748 myself, Reloader 15 @39.6 grains is what I would use. 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. 748 is more temp sensitive than h335. I've shot group's with a 223 & 748 in temp's of 12 degree's..to..90 degree's. It is almost ideal for .308 Winchester and .30-30. #2325684 - 11/07/12 11:55 PM Winchester 748! ... Winchester 748 0.366" C.O.L. 748 is cleaner than h335. It is somewhat temperature sensitive and maybe just a little more sensitive than some other powders in .223 . It’s not like they (Virgil and the shooters at the warehouse) didn’t have n133 or h322. My results are quite similar between the Hodgdon, Alliant, and IMR powders. Burning rate is similar to 4064, Varget or RL-15, but more temperature sensitive. Temperature when I worked up the load was 38 … Green = IMR Enduron Powders Red = Winchester Powders 1 Norma R1 51 Alliant Blue Dot 101 HodgdonVARGET 2 Vihta Vuori N310 52 Accurate Arms No. I have loaded BL-C(2) in both my .30-06 and my .308 but have not used Winchester 748. 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. The Winchester 760 has ideal flow characteristics and is not sensitive to temperature. 748 is very dirty powder, and temperature sensitive. 748 is the powder of choice for 223 Remington ammunition. Keep up-to-date on new products, 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. Thanks I just loaded up some more I am one grain below maximuim. What gives? 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 The low-flame temperature extends barrel life compared to other similar speed powder. The ammo is/was mostly 1919 fodder and performed just fine. 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. Thank you for sharing Hodgdon Reloading data. My testing from 20F to 85F has clearly favored the Hodgdon powders as to temperature stability with my various rifles/loads. It provides for a great velocity with the trusted performance of Winchester. It is very cold right now where I am, and I will probably shoot a lot in summer when it is very hot. Temperatures ran from -20, fox hunting, to over 100 in dog towns, w/o any problems. But I don’t see anyone using it. tayous1 Replies: 0 Views: 59 1/14/2021 1:13 AM Talk to me about the sizing die? As mentioned above don't let your rounds bake in the sun. Many new powders are … It can be used in a wide variety of centerfire rifle loads including 222 Rem, 30 … Personally neither of these powders have ever given me a problem. 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. Not the best choice in .30-'06, as it doesn't tolerate more than 10% airspace. Where I hunt the temperature could be in the 50's or way below zero. 6.5 stabal was designed for the 6.5 creedmoor a lot of Ar competitors use to use 748 … H335 also had this bad rap for having problems in extreme temps. Winchester 748 is a ball powder and the choice for loading 223 Remington cartridges. ammunition. 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. Is this powder real temperature sensative or is it pretty stable? The low-flame temperature extends barrel life compared to other similar speed powder. 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. This is my second 223 reload test, weather was cold, windy and wet at times. 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. 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. Use WLR or Federal 210 primers ONLY with this stuff! 748 is the powder of choice for 223 Remington ammunition. I've ran W 748 in the 338/06 with 250 grainers ... but I've found it to be very temperature sensitive. Scoobysmak. I currently use H4350 in my 30.06, with 180 gr bullets, but the price of 760 keeps making me want to try it. It is a great all year round powder. Mike Well it’s a double based ball powder so it’s going to be more temperature sensitive! Hornady SX bullets. Winchester 748 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. 748 748 is the powder of choice by Winchester and the U.S. military for 5.56mm and 223 Rem. It is said that this reloading powder is ideal for home reloads due to ease of use. My Tikka is really shooting great using winchester 748. Only problem: thats a case full, and I cannot load them on the Dillon; it spills powder all over. Yes Win 748 works very well for heavy weight .223 bullets. 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