PDA

View Full Version : Unique powder for 91/30



slim1836
09-12-2020, 04:11 PM
I loaded some cases with Unique powder and 314299 cast boolits (sized to .312) a couple years ago.

Now comes the question. I, for the life of me, cannot find the load data for Unique in a 91/30 in any of the books (8-10) I have. I know I used the data from somewhere, just don't know where I found it in the past. I have had many mini-strokes which has affected my memory, balance, and speech, but I still should be able to find out where I got the original data from. I looked in Hornady, Speer, Lyman, Sierra, and other manuals but see nothing there. I know I didn't dream up those loads, maybe, just maybe, I've overlooked it somewhere.

Somebody point me in the proper direction as I just got 100 new cases I'll want to load sometime in the near future. I really don't want to switch powders as I have plenty of Unique and will probably never reach out to over 200 yards with this rifle. 99% of my hunting has been under 100 yards. If someone has a chart of minimum to maximum loads it would be greatly appreciated.

Thanks in advance guys.

Slim

Outpost75
09-12-2020, 04:42 PM
Lyman Cast Bullet Handbook, 4th Edition (2010) shows no Unique data for 7.62x54R, but does on p.150 for .308 Win and on p. 153 for .30-'06 with #311299.

The 7.62x54R has similar ctg.OAL to the .308 Win., but its capacity is a bit greater, although a bit less than the .30-06. As long as you stay below the maximum loads you should be OK. I'd be inclined to work within 10-15 grains and fire charge establishment to determine your most accurate load and call it good. Somehow getting 500 rounds to a pound of powder at 14 grains has a nice ring to it.

p. 150 .308 Win., #311299 200-grains #2 alloy, OAL 2.875"
Start 11.5 grs. 1400 fps, @ 28,300 cup, Max. 16 grs. 1699 fps @ 45,400 cup

p. 153 .30-'06, #311299 200-grains #2 alloy, OAL 3.25"
Start 12.7 grs. 1398 fps @ 25,500, Max. 17.2 grs. 1673 fps @ 38,300 cup

Maven
09-12-2020, 06:02 PM
12.5gr. Unique with Ly. #314299 @ .312" out of my Sako M-39 and .311" in my Sako M 28/30: Accurate in both; no excessive pressure.

Kosh75287
09-12-2020, 07:14 PM
This is from a 1971 vintage Lyman reloading manual, so I suggest proceeding judiciously, if you use it:
12.0-16.0/Unique/155 cast gives 1600 - 1800 f/s
11.0-14.0/Unique/173 cast gives 1500 - 1700 f/s
10.0-13.0/Unique/213 cast gives 1250 - 1450 f/s
All 3 were gas-checked & fired from a 24" barreled Mosin/Westinghouse.

Sorry to hear about your problems with TIAs. I live a little bit south of you on 174, and I'm between job contracts. If I can be of actual logistical assistance, or help by other means, please contact me & we will make arrangements.

BigAlofPa.
09-12-2020, 07:32 PM
According to Lymans 3rd cast book. 151 grain 12-15 grains of unique. 169 grain 11-14 grains. And 208 grain 10-13 grains. Hope this helps.

Texas by God
09-12-2020, 07:49 PM
"And I hepped"- hopefully. I need to re-bind these old books anyway- thanks, neighbor. Maybe there's a matching weight here.
Watch out for the skeeters.https://uploads.tapatalk-cdn.com/20200912/d729aa54e28baf8e3ff988ef4ed5c929.jpghttps://uploads.tapatalk-cdn.com/20200912/0335d05d392eaeccf3a621acbccf67df.jpg

Sent from my SAMSUNG-SM-G930A using Tapatalk

slim1836
09-12-2020, 09:15 PM
Thanks guys,

That helps me quite a bit. The ones I had previously loaded are shown to have 13.1 & 13.2 grains of Unique. Per some charts, I may be on the top end. I doubt I would have loaded at or above max. as I normally shoot on the light side.
I've been using straight wheelweights for these loads and the boolits weighed 212-214 grains (I'm not a very consistent caster) after gas checked. I must have shot fair groups (at least to me) to have loaded as many as I found. I'll have to check my old targets before I delve into loading my new cases.

Slim

JMax
09-13-2020, 04:15 PM
I use 12 gr in my No 4 MkI 303 Brit using the NOE version of the 314299 sized .314” with Great results

Outpost75
09-13-2020, 10:40 PM
Thanks all. I have been using 14 grains with #311299 in my Finn M28/30 with good results out to 200 yards, but would not exceed it, as being Max, Max.