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Post by yule on Aug 24, 2014 20:21:56 GMT -5
Can Green Dot be used for duplex loads ?
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Deleted
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Duplex ?
Aug 24, 2014 20:41:51 GMT -5
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Post by Deleted on Aug 24, 2014 20:41:51 GMT -5
PM dannoboone, or maybe he will chime in and tell you more. Good luck!
But yes in lower doses
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Duplex ?
Aug 24, 2014 20:42:03 GMT -5
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Post by Deleted on Aug 24, 2014 20:42:03 GMT -5
Can Green Dot be used for duplex loads ? Yes it can I would not use over 8 grains. I've used it but I didn't try to figure a load because I end up airways waiting till last minute. I'd get a tungsten bushing though because after 10 shots on a ventliner it's toast. Start with 5 grains and work up to 8 as a booster. Start with 55 grains of 4198 and work up or duplicate Richard's clays duplex loads. Also look at traces and stay below 45k to be safe. |
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Post by dannoboone on Aug 24, 2014 22:16:57 GMT -5
Will have to check vent and load records tomorrow,
but after a dozen shots I didn't notice much, if
any vent liner wear. The loads were not hot loads,
and the breech plug is modified, making the vent
much closer to the primer.
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homebrook
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Post by homebrook on Aug 25, 2014 15:57:43 GMT -5
I have another powder question have large supply of IMR 4198 can it be used as a direct substitute for
H 4198 how much difference is there between the two? I don*t have any H 4198 please tell me it is the same
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Post by Alabama on Aug 25, 2014 16:07:13 GMT -5
I use the same amount of I-4198 as listed for H-4198. From what I've read they are really close. Just depends on who you talk to. 70 gr of
I-4198 chronoed at 2670 fps with the 275 gr. MH in my 24" pacnor
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homebrook
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Post by homebrook on Aug 25, 2014 16:25:58 GMT -5
I feel better , I used it the same also I shoot it from 26 in Doughlas barrel. chronoe not available
would think im around 2700 fps with 275 gr. Parker BE and 70 gr. i 4198 pushing it
thanks Gary
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Duplex ?
Aug 25, 2014 17:02:12 GMT -5
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Post by Deleted on Aug 25, 2014 17:02:12 GMT -5
I have another powder question have large supply of IMR 4198 can it be used as a direct substitute for H 4198 how much difference is there between the two? I don*t have any H 4198 please tell me it is the same This is the only powder I use. I started with this powder and don't see any reason why I should change. I've read where H4198 can be more precise in weights when making the load but I'm not sure cause I've only used IMR4198. Also read where H is cleaner than IMR. Not sure what your pressure trace is with your straight load but I wouldn't go any higher on charge I think you might be at the higher edge of pressure. Good luck |
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Post by Richard on Aug 25, 2014 19:47:17 GMT -5
I have run numerous tests using both powders and they give very similar results both in the accuracy department and velocity. I have some powders already put together in my truck for tomorrow's shooting session and have included a 5/62 duplex with Clays/H-4198 and Clays/IMR-4198 to shoot with a 200 FTX bullet. I will post results by Wednesday.
Richard
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Post by yule on Aug 25, 2014 20:59:31 GMT -5
I found some Red Dot today. Had to buy a 4 lb jug ( A lifetime supply for duplexing) so I can save my Green Dot for Trap loads.
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homebrook
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Post by homebrook on Aug 26, 2014 10:21:54 GMT -5
HAVE QUESTION for both YULE and RICHARD
please let me know what you had for results with your two loads ( clays and H-4198 ---- clays and IMR-4198
please let me know of any duplex loads you have proven safe using IMR4198 , RED DOT ,GREEN DOT and I also
have several lbs. of SR4756 can I work up any safe loads with this? THANK YOU BOTH GARY
homebrook
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homebrook
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Post by homebrook on Aug 26, 2014 10:35:01 GMT -5
sorry to everyone else my questions to Yule and Richard are for everyone did not mean to exclude anyone, if you
have any info you are willing to share please jump in THANK YOU ALL Gary-homebrook
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curt
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Post by curt on Aug 26, 2014 16:05:09 GMT -5
I just started shooting 5gr Red Dot and 60gr IMR 4198 Sabotless with wool wad and 250 Bonded SST and Win 209 Primer runs around 2775 in my 45 caliber McGowan barrel, shoots pretty darn good
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homebrook
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Post by homebrook on Aug 26, 2014 17:12:12 GMT -5
Thank you Curt that is the kind of info im looking
Gary
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Post by yule on Aug 26, 2014 18:47:37 GMT -5
I'm shooting 5/60 ( RD /H4198) with wool wad / 327 MH and Win 209. Works well in my gun.
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Post by Richard on Aug 27, 2014 15:18:25 GMT -5
homebrook...........stay tuned, I am getting ready to put on a post with what you re asking. Be advised though, your 4759 is no where near in the same catagory as RD and Clays. If you were to substitute 4759 for the same amount of Clays or RD, you velocity would be way, way down. The object of RD and Clays is fast, high pressure ignition to get the bullet fattened up and grabbing the lands.
Richard
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homebrook
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Post by homebrook on Aug 27, 2014 15:52:56 GMT -5
the powder i have a lot of is sr4756 not 4759
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Post by Deleted on Aug 27, 2014 15:56:21 GMT -5
homebrook...........stay tuned, I am getting ready to put on a post with what you re asking. Be advised though, your 4759 is no where near in the same catagory as RD and Clays. If you were to substitute 4759 for the same amount of Clays or RD, you velocity would be way, way down. The object of RD and Clays is fast, high pressure ignition to get the bullet fattened up and grabbing the lands. Richard I know your bushing will never open up but what's your take on shooting the .040 bushing ?...it seems to me the added energy to the powder is pseudo duplexing especially with a lrmp... |
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Post by Deleted on Aug 27, 2014 15:59:42 GMT -5
the powder i have a lot of is sr4756 not 4759 That's faster than blue dot....what size granules,flakes powder is it...? |
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Post by Richard on Aug 27, 2014 16:17:41 GMT -5
Sorry about the mistake in the numbers Homebrook. I see 4756 at #39 on Hodgedon's chart, one faster than Blue Dot and RD is at #8 and Clays a #10. I am not sure what the configuration the powder is...Flake? Granules, Ball? If it is too small and vent opening is bigger, they might migrate thru to the flame channel?
Richard
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homebrook
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Post by homebrook on Aug 27, 2014 16:24:43 GMT -5
I bought out a retail dealer stuff he had in the back room little of some lot of others befor I started
smokeless muzzleloading got 5 lbs of sr4756 small flakes got 8 lbs red dot 8 lbs green dot 12 lbs of blue dot
3 lbs of hercules 2400 2 lbs hercules 7 reloader 4 lbs of H110 and the list goes on another bunch of pounds
I want to make up some loads using up powder I allready have. this powder has been keep at control temp. well use any good duplex loads Ilike speed
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Post by Richard on Aug 27, 2014 19:36:22 GMT -5
Sounds like you are in good shape!
Richard
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homebrook
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Post by homebrook on Aug 28, 2014 5:41:41 GMT -5
I have a large amount of different powder but a small amount of knowledge and experience. Any info is welcome
the info I get here saves me time, money,and keeps me safe THANK YOU ALL
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