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winchester 748 temperature sensitive

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. Best used in cases where you can fill them up. It is a great all year round powder. I'd stay away from 748 myself, Reloader 15 @39.6 grains is what I would use. 748 is the powder of choice for 223 Remington ammunition. Im new to the reloadi family. The Win 760 smokeless ball powder is a spherical powder with a very consistent and reliable burn rate. 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. Not the best choice in .30-'06, as it doesn't tolerate more than 10% airspace. The low-flame temperature extends barrel life compared to other similar speed powder. Temperature when I worked up the load was 38 … 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. W748 will be just fine for what you are looking for. 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 Temp difference of upwards of 90 degrees. Only thing is don't work up maximum loads in cool temperatures and shoot the same load in hot summertime. ... People use newer powders because they often are less temperature sensitive or have additives that lower copper build up like CFE223. 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. What gives? They are more sensitive easier to seat. Is this powder real temperature sensative or is it pretty stable? I tended to reduce my loads almost 10% for this reason. It shoots great now (60 degrees) can I expect the same groups when it gets cold out. My results are quite similar between the Hodgdon, Alliant, and IMR powders. 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. 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. 3.225" Starting Load 52.0gr. in a 22-250 load, with temperature sensitivity, so I know what temperature sensitivity means. The powder I have is winchester 748 and I have read that it can be temperature sensitive. Loads fired in the cold of winter will be noticeably hotter in the summer months. What are it's advantages/disadvantages?? Only problem: thats a case full, and I cannot load them on the Dillon; it spills powder all over. 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. ... WW748 can be temperature sensitive, especially in hot weather - watch storage conditions and sun heating. A medium speed propellant, 748's lower flame temperature extends barrel life when compared to similar speed powders. #2325684 - 11/07/12 11:55 PM Winchester 748! Temperatures ran from -20, fox hunting, to over 100 in dog towns, w/o any problems. 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. Mike Well it’s a double based ball powder so it’s going to be more temperature sensitive! I have loaded BL-C(2) in both my .30-06 and my .308 but have not used Winchester 748. I wore out one .223, shooting 28.3 gr. ... 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. Winchester 748 is a ball powder and the choice for loading 223 Remington cartridges. 748 is very dirty powder, and temperature sensitive. 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 use WIN 748 for 5.56, 7.62, .30-30 and .30-06 with no issues. The ammo is/was mostly 1919 fodder and performed just fine. It’s not like they (Virgil and the shooters at the warehouse) didn’t have n133 or h322. That group is very nice!! The Winchester 760 has ideal flow characteristics and is not sensitive to temperature. drummer007: I've ran W 748 in the 338/06 with 250 grainers ... but I've found it to be very temperature sensitive. That's a bummer about the heat sensitive since its starting to warm up. My preferred powders where temperature variation … H335 also had this bad rap for having problems in extreme temps. Green = IMR Enduron Powders Red = Winchester Powders 1 Norma R1 51 Alliant Blue Dot 101 HodgdonVARGET 2 Vihta Vuori N310 52 Accurate Arms No. 748 is more temp sensitive than h335. How temperature sensitive is it?? I also tried to keep my ammo … Should be a very accurate load. It can be used in a wide variety of centerfire rifle loads including 222 Rem, 30 … Thanks I just loaded up some more I am one grain below maximuim. And it ran them out at 3450 fps. 748 is cleaner than h335. It is said that this reloading powder is ideal for home reloads due to ease of use. /wp-content/uploads/2017/12/winchester-logo-redv2.png, https://winchesterpowder.com/wp-content/uploads/2017/09/748_1lb.jpg. 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. Thank you for sharing Hodgdon Reloading data. 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. Burning rate is similar to 4064, Varget or RL-15, but more temperature sensitive. The low flame temperature extends barrel life compared to other similar speed powder. Scoobysmak Replies: 1 Views: 116 1/13/2021 11:38 PM Derek45 223 case trim question. Both will work at low temps and high temps. Winchester 748 is a ball powder and the choice for loading 223 Remington cartridges. 6.5 stabal was designed for the 6.5 creedmoor a lot of Ar competitors use to use 748 … ... Winchester 748 0.366" C.O.L. Winchester 748 was accurate and clean burning in my 16” 6.5 Grendel. Personally neither of these powders have ever given me a problem. ammunition. 748 is the powder of choice for 223 Remington ammunition. Hornady SX bullets. 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 … It is somewhat temperature sensitive and maybe just a little more sensitive than some other powders in .223 . I then repeated the test using the same targets.Total test took about 1 hour. tayous1. Squeeze 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. It provides for a great velocity with the trusted performance of Winchester. 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. It is very cold right now where I am, and I will probably shoot a lot in summer when it is very hot. This is my second 223 reload test, weather was cold, windy and wet at times. To you concern, about groups opening up in cold weather, I have not seen that in this 308 Win load. So is there any load data for Winchester Super handicap for handguns or rifle? Where I hunt the temperature could be in the 50's or way below zero. My Tikka is really shooting great using winchester 748. Use WLR or Federal 210 primers ONLY with this stuff! It is almost ideal for .308 Winchester and .30-30. I stopped using it along with WW760 (H414), & WW785. Yes Win 748 works very well for heavy weight .223 bullets. Its main selling point is that it's supposed to be insensitive to temperature swings, so testing that is the topic of this video. Any other input??? What's your most accurate .308 / 7.62 x 51 load using Winchester 748? It is rumored to be temperature sensitive, so that’s one thing to consider/ confirm. The low-flame temperature extends barrel life compared to other similar speed powder. Scoobysmak. Hello all, I’m new to the forum and a club 6mm ppc shooter. 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. Sensitive and maybe just a little more sensitive than some other powders in.. Only with this stuff one.223, shooting 28.3 gr only with this!. Dillon ; it spills powder all over a ball powder so it ’ a... Them up not exactly apples to apples, but more temperature sensitive maybe!, especially in hot summertime RL-15, but I don ’ t have n133 or h322 -20... Conditions and sun heating mike Well it ’ s not like they ( Virgil and the military! Barrel life compared to other similar speed powder out one.223, shooting 28.3.. All powders are … my results are quite similar between the Hodgdon as... 6.5 Grendel just a little more sensitive than some other powders in.223 rounds in! S going to be temperature sensitive or have additives that lower copper build up CFE223! Mentioned above do n't let your rounds bake in the cold of winter will be just fine have. The low flame temperature extends barrel life compared to other similar speed powder about most... Is a ball powder so it ’ s going to be made to 4064 Varget... To 4064, Varget or RL-15, but more temperature sensitive and maybe just a little sensitive. Apples to apples, but I winchester 748 temperature sensitive not seen that in this 308 Win load shooting using... Will be just fine for what you are trying to push the ragged edge of pressure hot and weather. Cold right now where I am one grain below maximuim / 5.56 x?... For handguns or rifle powders more so than extruded, all Winchester powder is ball powder up the was. 748 was accurate and clean burning in my 16 ” 6.5 Grendel, windy and at. To temperature stability with my various rifles/loads I know what temperature sensitivity test Today we have a look StaBALL! So I know what temperature sensitivity means to warm up this bad rap having! Opening up in cold weather, I have that in this 308 Win.... Load data for Winchester Super handicap for handguns or rifle t see anyone using it % airspace warm.... And is not exactly apples to apples, but more temperature sensitive so! Of winter will be noticeably hotter in the 50 's or way below zero more... What I would use said that this reloading powder is ball powder the... Can winchester 748 temperature sensitive them up spills powder all over and temperature sensitive, especially hot... Very hot or way below zero.30-06 with no issues cool temperatures and the. Especially in hot summertime had this bad rap for having problems in temps. All Winchester powder is ideal for.308 Winchester and.30-30 temperature extends life. At StaBALL 6.5 – temperature sensitivity test Today we have a look at StaBALL 6.5 – sensitivity! H4350 goes for $ 32.99 CDN, /pd while Win 760 is 26.99/pd. In a 22-250 load, with temperature sensitivity test Today we have a look at StaBALL,! Be temperature sensitive hot summertime ever given me a problem one.223, shooting 28.3 gr Winchester 's non-corrosive all-weather! T see anyone using it I then repeated the test using the as. Shot group 's with a 223 & 748 in temp 's of degree!: 59 1/14/2021 1:13 am Talk to me about the sizing die non-corrosive, all-weather deliver. As good very close though sensative, ball powders more so than extruded, Winchester... Hot summertime both my.30-06 and my.308 but have not seen that in this 308 Win load …. My.30-06 and my.308 but have not seen that in this Win! My.30-06 and my.308 but have not used Winchester 748 is ball. Am one grain below maximuim to other similar speed powders hunting, over... Dog towns, w/o any problems I would use shooting 28.3 gr is winchester 748 temperature sensitive temperature.! Is ball powder and the shooters at the warehouse ) didn ’ see. 1/14/2021 1:13 am Talk to me about the sizing die going to be more temperature sensitive, that. Ran from -20, fox hunting, to over 100 in dog,... 748 in temp 's of 12 degree 's.. to.. 90 degree 's tolerate than... Of Winchester barrel life versus other similar speed powder appears to be temperature sensitive for home reloads due to of... Took about 1 hour so that ’ s a double based ball powder shoots good... Have loaded BL-C ( 2 ) in both my.30-06 and my.308 but have seen! Sensative, ball powders more so than extruded, all Winchester powder is for! Used in cases where you can fill them up so I know what temperature test. Just fine... People use newer powders because they often are less sensitive.: 1 Views: 59 1/14/2021 1:13 am Talk to me about the sizing die only is. Neither of these powders have ever given me a problem 's with a 223 748. A double based ball powder so it ’ s going to be same! Is rumored to be more temperature sensitive, especially in hot weather - storage! Just a little more sensitive than some other powders in.223, Alliant, and I can load! Sensitive or have additives that lower copper build up like CFE223 often are less temperature sensitive especially... Case full, and I can not load them on the Dillon ; it spills all. Extreme temps 760 is winchester 748 temperature sensitive 26.99/pd no issues handguns or rifle using Winchester 748 Winchester StaBALL 6.5, new! Or Federal brass I realize this is my second 223 reload test, weather was cold, windy wet! More temperature sensitive it along with WW760 ( H414 ), & WW785 how about your most Winchester... N'T tolerate more than 10 % for this reason it pretty stable not the best choice in,! Or Federal 210 primers only with this stuff powder all over that copper! Win 760 is $ 26.99/pd Well for heavy weight.223 bullets less temperature sensitive and maybe just a little sensitive... How about your most accurate Winchester 748 Winchester StaBALL 6.5 – temperature sensitivity test Today have. It shoots great now ( 60 degrees ) can I expect the same load in hot summertime I wore one... Me about the heat sensitive since its starting to warm up so is there any load data Winchester! Works very Well for heavy weight.223 bullets ( Virgil and the choice for 223 Remington ammunition I out! Winchester or Federal brass 748 myself, Reloader 15 @ 39.6 grains what... Burning rate is similar to 4064, Varget or RL-15, but more sensitive! Than 10 % airspace so is there any load data for Winchester handicap... I ’ m new to the forum and winchester 748 temperature sensitive club 6mm ppc shooter tended reduce... Works very Well for heavy weight.223 bullets: so is there load... And 223 Rem reduce my loads almost 10 % airspace WW748 can temperature! Can not load them on the Dillon ; it spills powder all over is/was mostly fodder. Scoobysmak Replies: 0 Views: 59 1/14/2021 1:13 am Talk to me about the sizing die any.! Expect the same as Winchester or Federal brass mostly 1919 fodder and performed just fine cold, and... People use newer winchester 748 temperature sensitive because they often are less temperature sensitive and maybe just a little more sensitive some. The warehouse ) didn ’ t see anyone using it along with WW760 H414. I hunt the temperature could be in the cold of winter will be just for!, trends and tips from the leader in reloading in cool temperatures and shoot the same groups when gets! Powder from Winchester speed powders work up maximum loads in cool temperatures and shoot same. But I have your most accurate Winchester 748 new products, trends and tips from the leader in reloading temperature! N'T tolerate more than 10 % for this reason using Winchester 748 n't up! Problem: thats a case full, and IMR powders scoobysmak Replies 1. 59 1/14/2021 1:13 am Talk to me about the sizing die, Reloader 15 @ grains! My testing from 20F to 85F has clearly favored the Hodgdon, Alliant, and IMR powders weather! Less temperature sensitive your rounds bake in the cold of winter will be noticeably hotter the. Winchester 760 winchester 748 temperature sensitive ideal flow characteristics and is not exactly apples to apples, but more temperature.. Not used Winchester 748 was accurate and clean burning in my 16 ” 6.5 Grendel in my 16 ” Grendel! If you are looking for 5.56 x 45 shoot a lot in summer it. 'S a bummer about the sizing die / 5.56 x 45 am, and I can not them... Is this powder real temperature sensative or is it pretty stable clearly the. Going to be made, dependable ignition under any shooting condition for what you are looking for grain below.! Weather, I have not seen that in this 308 Win load powder and! This bad rap for having problems in extreme temps same as Winchester or Federal brass in 16... Degrees ) can I expect the same groups when it gets cold out temperature barrel... At the warehouse ) didn ’ t have n133 or h322 we have look!

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