Avatar
Search
Forum Scope




Match



Forum Options



Minimum search word length is 3 characters - maximum search word length is 84 characters
Lost password?
sp_Feed sp_PrintTopic sp_TopicIcon
Reload help
Avatar
426crown
Taos NM
Member
WACA Member
Forum Posts: 356
Member Since:
October 29, 2011
sp_UserOfflineSmall Offline
1
June 24, 2024 - 6:58 pm
sp_Permalink sp_Print

Loading 40-70-320 anyone have safe load for Unique? I use 12 grains for 40-65-250. Thanks Bill

Avatar
Bert H.
Kingston, WA
Admin
Forum Posts: 13100
Member Since:
April 15, 2005
sp_UserOfflineSmall Offline
2
June 25, 2024 - 5:09 pm
sp_Permalink sp_Print

426crown said
Loading 40-70-320 anyone have safe load for Unique? I use 12 grains for 40-65-250. Thanks Bill

  

Bill,

I strongly would not recommend using Unique powder in that cartridge.  Instead, load it with 24 grains of 4198.

Bert

WACA Historian & Board of Director Member #6571L
High-walls-1-002-C-reduced2.jpg

Avatar
Chuck
Member
WACA Member
Forum Posts: 5943
Member Since:
March 31, 2009
sp_UserOfflineSmall Offline
3
June 25, 2024 - 10:40 pm
sp_Permalink sp_Print

I use 22 or 23 grains of 5744 in my 40-65.  With a heavier bullet you would use less powder.

Avatar
Kirk Durston
Member
WACA Member
Forum Posts: 878
Member Since:
June 11, 2014
sp_UserOfflineSmall Offline
4
July 1, 2024 - 12:49 am
sp_Permalink sp_Print

I strongly agree with Bert. Unique has a fast burn rate. You are much better off with a medium-speed burn rate powder such as IMR 4198 or (my favourite) 5744.

Avatar
426crown
Taos NM
Member
WACA Member
Forum Posts: 356
Member Since:
October 29, 2011
sp_UserOfflineSmall Offline
5
July 1, 2024 - 2:13 am
sp_Permalink sp_Print

I loaded the 40-70 with 5744, no one had info on Unique..Bill

Avatar
TXGunNut
Northern edge of the D/FW Metromess
Member
WACA Member
Forum Posts: 6567
Member Since:
November 7, 2015
sp_UserOfflineSmall Offline
6
July 1, 2024 - 10:39 pm
sp_Permalink sp_Print

426crown said
I loaded the 40-70 with 5744, no one had info on Unique..Bill

  

It’s quite possible to work up safely from 8 grains of Unique with a half sheet of toilet paper as a spacer. I’m a big fan of 5744 for similar cartridges but it’s so dirty and stubborn to clean I’m beginning to see the light and dabbling with Bert’s favorite, 4198.

 

Mike

Life Member TSRA, Endowment Member NRA
BBHC Member, TGCA Board Member
Smokeless powder is a passing fad! -Steve Garbe
I hate rude behavior in a man. I won't tolerate it. -Woodrow F. Call, Lonesome Dove
Some of my favorite recipes start out with a handful of depleted counterbalance devices.-TXGunNut
Presbyopia be damned, I'm going to shoot this thing! -TXGunNut
Avatar
Chuck
Member
WACA Member
Forum Posts: 5943
Member Since:
March 31, 2009
sp_UserOfflineSmall Offline
7
July 2, 2024 - 1:19 am
sp_Permalink sp_Print

I use 4198 for the 45-90, 45-75 and the 50-95. I also use H 4198 SC.  Similar to the IMR but meters better when using a powder dispenser.

Forum Timezone: UTC 0
Most Users Ever Online: 4920
Currently Online: steff, D. T. PETERSON, tsbccut, TR, [email protected]
Guest(s) 345
Top Posters:
clarence: 7119
TXGunNut: 6567
Chuck: 5943
steve004: 5237
1873man: 4716
deerhunter: 2717
Big Larry: 2567
twobit: 2513
mrcvs: 2217
Maverick: 2043
Newest Members:
Rifleman Rifle
tourman40
rifleman
Surfertim
6564yankees
Fox Creek
kellswater
Gary
Harper 1886
Plmggod
Forum Stats:
Groups: 1
Forums: 18
Topics: 14885
Posts: 133417

 

Member Stats:
Guest Posters: 2057
Members: 10112
Moderators: 3
Admins: 4
Administrators: Mike Hager, Bert H., JWA, SethJ
Moderators: Rob Kassab, Brad Dunbar, Heather
Navigation