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Post by kash913 on Jun 9, 2015 22:49:08 GMT -5
I want to try Blackhorn 209 in a 416 cal shooting 416 bullet to bore.
Anyone have any ideas of a safe starting load?
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Post by bestill on Jun 10, 2015 6:21:27 GMT -5
Best guess would be 90 gr by weight.
98 gr by weight and 300 bullet in 45 makes29,090 psi.
I don't think pressure will be a issue blackhorn powder column in a 416 with90 gr will be almost4" long so getting complete burn will be the issue and lower pressures make swelling bullet very difficult. Is there a thin jacket.416 bullet available ?
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Post by kash913 on Jun 10, 2015 7:18:54 GMT -5
That 416gr bullet is a brass full formed the gun that has a powder chamber. I have a dummy chamber it's holds 78gr By weight.
I do have a few 325 mH they are still full form
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Post by kash913 on Jun 10, 2015 7:19:19 GMT -5
Thanks for the input I was just worried about pressure I don't want to blow myself up
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Post by bestill on Jun 10, 2015 7:33:01 GMT -5
My best info is start 85 gr by weight and slowly increase charge until fouling get out of hand. Pressure wont be your issue i think fouling will be. Fullform you will probably need to clean between shoots with hoppes #9 to get consistent results.
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Post by kash913 on Jun 10, 2015 13:09:59 GMT -5
Ok thanks
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Post by schunter on Jun 12, 2015 6:38:59 GMT -5
My best info is start 85 gr by weight and slowly increase charge until fouling get out of hand. Pressure wont be your issue i think fouling will be. Fullform you will probably need to clean between shoots with hoppes #9 to get consistent results. When cleaning between shots are you removing the breech plug or just cleaning from the muzzle? |
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Post by bestill on Jun 12, 2015 6:56:18 GMT -5
Cleaning from muzzle. I use lightly damp hoppes 9 patch down and out followed by 2 dry patches. Make sure spent primer is removed. Typically clean flame channel after30-40 shots heavy load and high humidity will push mine closer to 30 shots each gun and breech design will be a bit different on effect to flame channel. As channel clogs you will see pressure increase on spent primers.
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Post by schunter on Jun 12, 2015 7:03:47 GMT -5
Thanks for the info. I weighed some 90 & 95 grain charges of BH209 last night for my 45 McRem with stock savage breech plug. Hope to shoot it some this weekend with the 250 FTX and 275 BE.
Scott
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Deleted
Deleted Member
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Post by Deleted on Jun 12, 2015 21:20:04 GMT -5
Good question...Could it be shot in a .40 conversion also...? |
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busta
8 Pointer
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Post by busta on Jun 14, 2015 18:05:25 GMT -5
You guys might want to add that these are custom smokeless capable rifles?
Western has a published maximum of 84 grains by WEIGHT for modern inline rifles. They only have published loads for the .50 cals, and I wouldn't suggest anyone exceed those powder loads with a .45 or smaller, especially when just starting out using Blackhorn 209. I have a smokeless capable .45 and have been shooting Blackhorn since 2008 in several (18) different models of rifles/pistols. Mostly .50 cals, but also 4 different .45 cals.
Just don't want to see some new guy with one of the many mid-90's to early 2000's San Pan Specials try the loads you guys are discussing. It might not turn out well!
You guys with the .40's and .416's are more than likely in uncharted waters. Just be careful. Seek out information from the custom rifle manufacturers to see if they have any Blackhorn 209 testing data for .40's and .416's especially if you have powder chambers.
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Post by GMB54-120 on Jun 15, 2015 11:42:02 GMT -5
I agree we must use caution but technically speaking there is no approved BH209 load data for 45cals either. Atleast nothing in writing from Western powders.
The heaviest load ive tried and appears to be tested with BH209 is 130gr-135gr by volume with the Knight 375gr Redhot and 325gr FTX in the 52cals. A 416 with a powder chamber is a whole new ball game when discussing BH209. I would imagine Tom at Swinglock has some insight on this topic.
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Post by AJ on Jun 16, 2015 21:25:15 GMT -5
You really can't get smokeless powder pressures with BH209. Even at 105 grains by weight pressures were between 26000 and 28000 psi. Recoil is stout at 105 gr by weight, so work up. Apply some common sense and work up. Listen to your groups and your shoulder.
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Post by bestill on Jun 16, 2015 23:10:45 GMT -5
98 gr by weight and 300 gr bullet in 45 cal 29,090 psi documented trace.
Imo 105 gr by weight and tight327 gr bullet in 45 will approach32,000 psi.
Better be a solid built custom rifle and reading primer swell will indicate pressure .
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Post by kash913 on Jun 17, 2015 20:04:31 GMT -5
I agree we must use caution but technically speaking there is no approved BH209 load data for 45cals either. Atleast nothing in writing from Western powders. The heaviest load ive tried and appears to be tested with BH209 is 130gr-135gr by volume with the Knight 375gr Redhot and 325gr FTX in the 52cals. A 416 with a powder chamber is a whole new ball game when discussing BH209. I would imagine Tom at Swinglock has some insight on this topic. Its not a Swing Lock Cole at cMc build it, running a 209 kash/myers bolt. I have a test chamber to check volume for testing the chamber is full with 78 gr Blackhorn. Still haven't got a time to shoot maybe this weekend. I will keep you guys up to date with testing |
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Post by GMB54-120 on Jun 17, 2015 23:55:40 GMT -5
IIRC Tom at Swinglock ran some BH209 tests with and without a powder chamber. He also used 85gr by weight in one of his 45s and a 350gr Norfolk bullet full formed achieved roughly 26kpsi@2000fps.
He might be worth calling.
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