.270 Winchester Powder suggestion
#1
Spike
Thread Starter
Join Date: Aug 2020
Location: Ohio
Posts: 1
.270 Winchester Powder suggestion
I've been reloading for a while now...but I finally got around to reloading my .270 WCF. Looking for any suggestions on powder. I currently run W760 behind a 140 grain accubond. I average right at 2950 FPS. I can push them a little over 3000 but my SD and Accuracy load is 53 grains which is the book max. I got up to 55.2 without pressure signs but accuracy and SD started to suffer. I've heard RL22 is a good place to start as well as RL26....26 however being the Unicorn powder right now and has been for quite some time. Any suggestions? Thanks!!!
#3
Super Moderator
Join Date: Dec 2017
Location: texas
Posts: 1,201
Ive found 58 grains of h4831 and a 150 grain speer bullet over a 215 fed primer in several 270 win chambered rifles to give excellent accuracy
under 1" 5 shot groups off a bench rest at 100 yards consistently, and about 2940 fps in my browning and sako rifles
while Ive only used it on mule deer its proven very lethal, even out at nearly 450 yards on one occasion
https://www.speer.com/bullets/rifle_...t/19-1605.html
some older reload manuals list 60 grains as max, I see no pressure signs but ,
58 grains is the max the case allows and still have the bullet seat to the correct depth.
Id start with 55 grains and work up just to be cautious, and as always cross check at least three reload manuals
under 1" 5 shot groups off a bench rest at 100 yards consistently, and about 2940 fps in my browning and sako rifles
while Ive only used it on mule deer its proven very lethal, even out at nearly 450 yards on one occasion
https://www.speer.com/bullets/rifle_...t/19-1605.html
some older reload manuals list 60 grains as max, I see no pressure signs but ,
58 grains is the max the case allows and still have the bullet seat to the correct depth.
Id start with 55 grains and work up just to be cautious, and as always cross check at least three reload manuals
Last edited by hardcastonly; 08-14-2020 at 12:43 PM.
#6
Fork Horn
Join Date: Jul 2019
Location: SE CT
Posts: 145
I too use IMR 4831 with the 140 grain Hornady bullet. I get slightly over 2900 FPS out of my 26" Encore barrel with groups averaging around 1.25-1.5 at 100 yards.
#7
Super Moderator
Join Date: Dec 2017
Location: texas
Posts: 1,201
you can't really have many issues with H4831 or IMR 4831 but I prefer the 150 grain speer bullets in a 270 win.
btw Ive also used a speer 200 grain bullet over a stiff load of H4831 in a 30/06 browning BAR,
with a 215 federal primer, on mule deer, it no more or less lethal, and it kicks a bit harder but , I'll point out its also been a consistently accurate combo!
most of these discussions are rather pointless as its the skill of the user and his knowledge ,and acceptance of,of each rifles accuracy and range limitations, and the projectile selected, rather than the cartridge that makes or breaks the combos effective use!
the one attribute it does seem to have is its use
(200 grain bullet/300 win mag/ BAR) irks my hunting buddies,
if I use it on mule deer, but not so much on elk,
I find it amusing, and a bit confusing, in that I don't really understand why my choice in rifle or handload combos,
can in any way effect them. but if you lack a reason to start a heated and pointless conversation, tell the guy next to you you have a 300 win mag in a bar you intend to use on mule deer hunts..... its always resulted in a pointless and sometimes mildly heated discussion... I don't really know why, it works well, and if you place shots in the lower,. heart/lungs its been very consistent/lethal and does not destroy any more meat than the 270 150 grain combo does in my experience.
btw Ive also used a speer 200 grain bullet over a stiff load of H4831 in a 30/06 browning BAR,
with a 215 federal primer, on mule deer, it no more or less lethal, and it kicks a bit harder but , I'll point out its also been a consistently accurate combo!
most of these discussions are rather pointless as its the skill of the user and his knowledge ,and acceptance of,of each rifles accuracy and range limitations, and the projectile selected, rather than the cartridge that makes or breaks the combos effective use!
the one attribute it does seem to have is its use
(200 grain bullet/300 win mag/ BAR) irks my hunting buddies,
if I use it on mule deer, but not so much on elk,
I find it amusing, and a bit confusing, in that I don't really understand why my choice in rifle or handload combos,
can in any way effect them. but if you lack a reason to start a heated and pointless conversation, tell the guy next to you you have a 300 win mag in a bar you intend to use on mule deer hunts..... its always resulted in a pointless and sometimes mildly heated discussion... I don't really know why, it works well, and if you place shots in the lower,. heart/lungs its been very consistent/lethal and does not destroy any more meat than the 270 150 grain combo does in my experience.
Last edited by hardcastonly; 02-22-2022 at 05:45 PM.
#10
Super Moderator
Join Date: Dec 2017
Location: texas
Posts: 1,201
from my limited experience, the main advantage of h4831SC, is you MIGHT be able to get a bit more dense or heavier powder charge, without needing or overly compress the powder charge, I have generally found the 4831 SC gives a smidge higher velocity with similar charge weights but that could easily be because much of my older h4831 is over 40 years old,(yes it still works)
most of the younger guys won't remember but H4831 use to be sold in gallon jugs
I vaguely remember paying about $60 a gallon
BTW WW760 also works as pointed out, above, but at least in my area its been a bit harder to locate.
https://www.24hourcampfire.com/ubbth...w_old_is_too_o
most of the younger guys won't remember but H4831 use to be sold in gallon jugs
I vaguely remember paying about $60 a gallon
BTW WW760 also works as pointed out, above, but at least in my area its been a bit harder to locate.
https://www.24hourcampfire.com/ubbth...w_old_is_too_o
Last edited by hardcastonly; 02-24-2022 at 03:07 PM.