Found, Winchester 630, W630


March 11, 2010, 09:27 AM
Yeah I know, that's redundant but will make searching easier, anywho.
I find I'm the owner of a can of Win 630 powder, could I use it in a 357mag Marlin, a 32mag SSM, 45acp, 7.62x25 or 7.62x39? So far all I could find was a little info on use in the 357 for revolver use, would like to know what use it was made for.

BTW thanks to all who have posted info on Win571 powder as I now have 8 pounds of the stuff. :D

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March 11, 2010, 10:19 AM
Interesting find. WW630 was similar to Unique in burning rate and was agreat powder powder to load 45ACP's with 230 gr FMJ ammo. However, WW630 powder has been discontinued for at least 20 years! At this point I wouldn't consider using it at all, especially if the can was opened previously snd the contents have startred to oxidize. Throw it in your flower garden, it will make an excellent nitorgen fertilizer.

March 11, 2010, 10:23 AM
I wonder if the can is worth more then the powder to someone that collects them? And knowing how shooters are, I bet someone does. lol

March 11, 2010, 12:46 PM
Can had never been opened, smells right, sadly its also rusty on the outside only and faded so no collector value. Had two cans of 680 but vandals ruined them.

March 11, 2010, 02:28 PM
Hornady Manual #2 from 1973 has some 630 data. The primers and bullets they tested are often not the same or no longer available. They used 630 powder in 38 Special, 357 Magnum, 44 Special, 44 Magnum, and 45 Colt. No other calibers tested with 630 in this old manual.
Hornady Manual #3 from 1980 also uses 630 with some loads.
9MM luger 124 FMJ-fed 100 primer -Win 630 powder
start 8.0-1000fps 8.6-1050 max 9.3-1100
38 Special- Fed 100 primer -Frontier case-4" barrel
-110 JHP start 10.0-950fps 10.6-1000-----PLUS P pressure 11.2-1050fps
-125 JHP start 8.8-850 9.4-900 10.0-950 ----+P pressure 10.6-1000fps
-158 JHP start 6.6-650 7.1-700 7.6-750 8.1-800 +P pressure 8.6-850fps
357 Magnum-fed 200 primer- Frontier case-8 3/8" barrel
-110 JHP start 15.7-1450 16.4-1500 17.1-1550 17.8-1600 max 18.5-1650fps
-125 JHP start 14.4-1250 14.8-1300 15.3-1350 15.8-1400 16.3-1450 16.7-1500 Maximum 17.2-1550 fps
-158 JHP start 12.5-1000 12.8-1050 13.2-1100 13.5-1150 13.8-1200 maximum 14.2-1250 fps
Hornady 3rd also has some data for Win 630 powder in 41 Mag, 44 Special, 44 Rem Magnum, 45 LONG COLT, 444 Marlin rifle, and no other calibers.
Use this info carefully with your old powder especially when using different bullet brands or primers. Start low and work up.

March 11, 2010, 03:11 PM
Sierra manual from 1971 lists Winchester 630 as 630P (NOTE: Steveno posted that 630 and 630P are not interchangeable)
357 Magnum- CCI 550 primer-Speer case-6" barrel
-125 JHP 630-P powder start 15.3-1350fps 16.1-1400 max 16.8-1450
-158 JSP start 12.3-1150 fps maximum 13.4-1200fps
38 Special CCI 500 primer-case Super Vel-6" barrel
-110 JHP start 12.1-1150 13.1-1250 14.1-1350
-125 JHP start 11.3-1050 11.8-1100 12.2-1150 12.8-1200 max 13.7-1250
-158 JSP start 9.5-900 10.0-950 max 10.4-1000
Also some loads for 44 Mag. Use at your own risk. Just some historical data.
My Lyman's Cast Bullet Handbook 3rd edition from 1986 has some data for 630 powder with cast lead bullets. It appears that Win 630 is a relatively slow burning pistol powder that may be too slow for .45ACP and 32Mag. It is used for cast lead bullet loads for some rifle calibers in the Lyman Cast bullet manual. Lyman Cast Bullet Handbook 3rd printing says, " Winchester 630- A moderately slow but high-energy pistol powder which is also very effective in cast bullet rifle loads."

Steve C
March 11, 2010, 04:34 PM
Here's the Winchester manual data published in 1975 that has 630 data for most handgun rounds.

No reason not to use this powder, remember that the loads listed are maximum. 35 years ago it was expected that hand loaders knew enough to reduce listed charges by 10% and had the math skills to calculate that start load.

March 11, 2010, 05:42 PM
And being old powder extra caution is warranted.
My days of loading hot are long behind me, never was much interested in pushing my luck, spose that's from starting reloading shotshells first.

March 11, 2010, 05:45 PM
the reason 630 was dropped was that it was very temperature sensitive. it isn't interchangable with 630P. H-110 does everything that 630 would do without all of the problems. Winchester also dropped 230 , 295 and other versions of these for the same reason.

Maj Dad
March 11, 2010, 07:54 PM
I bought about 10 lbs of it from a dealer who was closing out in about 1983. I have about 2-3 lbs left, and am still shooting it with good results in 357, 44 mag, and 30 carbine. I don't go for max velocity, just accurate loads & fun shooting. I use it in lead & jacketed loads, and have the 1976 edition of the Winchester loading guide (same loads were in the 1973, so the 75 edition is almost certainly the same).

March 12, 2010, 01:53 AM
I used a lot of it back in the seventies. One reason it was discontinued was the burn rate was such that when used in revolvers, it would severely erode the back of the barrels by the cylinder gap. When used in closed type barrels, single shots and semi-autos, it was a great powder. That fact cost me a re-barrel by Ruger for my superblackhawk.

If it was stored properly, there's no reason it won't work. I'm using surplus powder that's twice as old as that 630.

March 15, 2010, 08:56 AM
Well thats good to keep in mind, apparently not a good powder for fast and furious shooting.

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