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IMR 4350 IN 303???

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novascotiahunter View Drop Down
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    Posted: October 12 2009 at 1:01am
Hello, im new to the forum, however ive shot lee enfields and pattern 14's all my life, ive been loading for a few yrs now, but always wondered how IMR4350 OR IMR4320 would work in the 303 british cartridge, currently ive been using 39.2 grains of H335 with the hornady round nose 174 grain bullet.
i shoot this in my longbranch #4mk1, has the 2 groove barrel, shoots very well, also i have a ross 1905 sporter re barreled by a  good gunsmith friend of mine with a savage lee enfield barrel, as well i havea #1 lee sporter dated 1900, and of course no candina household is complete without an old #1mk3 hanging around, i have 3 of those, just wondering if anyone has any experience using these two powders with good results in any lee enfield or  p14 as i do also have a BSA commercial sporter.
303 "nuthin better"
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airforcediver View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote airforcediver Quote  Post ReplyReply Direct Link To This Post Posted: October 12 2009 at 2:06am

I have used IMR 4350 in my No1MkIII, published starting with a 150gn Spitz is 46.0gn start 50.0gn max

180gn 42.0gn start and 46.0gn max published
 
I used 48.5gn with a 150 sierra spitz to drop my Black bear this year(i the hunting section)
 
Hijacking some of Tony's post now
IMR-4320 - 174 grain

43.0gr (Sierra) (highest published load)

42.5gr (my max and equals military)

39.0gr (Hornady)



IMR-4320 - 180 grain

43.0gr (Sierra)

44.0gr (highest published load)

41.0gr


      AFD
If all else fails call in a MOAB and call it a day
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novascotiahunter View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote novascotiahunter Quote  Post ReplyReply Direct Link To This Post Posted: October 12 2009 at 2:49am
what kind of accuracy did you get from your rifle on the range?? my load i have for 4350 is 45.5 gr with the 174 bullet from speer reloading manul#14 start of 43 gr and max of 47gr compressed.
i backed it off a little for the lighter bullet, they used a 180 grn round nose with it.
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mauser98nut View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mauser98nut Quote  Post ReplyReply Direct Link To This Post Posted: October 12 2009 at 6:45am
Used the last of my IMR 4350 at 41 grains a shell for sierra 180 grain bullets with no problem.Was a light load but you should double check that as always.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Cookie Monster Quote  Post ReplyReply Direct Link To This Post Posted: October 12 2009 at 7:13am
Let me pull out the old note books I may have some data on that
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Post Options Post Options   Thanks (0) Thanks(0)   Quote airforcediver Quote  Post ReplyReply Direct Link To This Post Posted: October 14 2009 at 9:08am
Originally posted by novascotiahunter novascotiahunter wrote:

what kind of accuracy did you get from your rifle on the range?? my load i have for 4350 is 45.5 gr with the 174 bullet from speer reloading manul#14 start of 43 gr and max of 47gr compressed.
i backed it off a little for the lighter bullet, they used a 180 grn round nose with it.
 
under 1" @ 100yards, probably could have tweaked it more, but my ADD kicked in and I shredded a bunch of milk jugs and salad dressing containers full of coloured water.
 
     AFD
If all else fails call in a MOAB and call it a day
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