klook
Junior Member
Posts: 85 
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Post by klook on Nov 15, 2022 15:44:03 GMT -5
So I had another successful season and I stepped back to 56 gr of IMR 4198 this year from Kyles suggested 67 last year. I tightened up the fore end and only fired 9 shots to settle on a load even thou I had loads from 52 to 60 premeasured. Last year I used Kyle's 228 bullets and my first group this year was 3/4 at 50 yrds. I then switched to Hornady 250 gr SST's and fired the same group or a little better. Now, I changed loads and bullets because the gun kicked the crap out of me last year and blew large holes in deer I wanted to eat. This year, the recoil was tolerable and the performance was great. I will be trying Kyle's bullets with reduced loads next year.
And this brings me to the point of this post. I did alot of reading before reducing the load. As a former reloader, I was wary of just throwing any old thing in and touching it off. I learned that others with the same rifle were also averse to loads designed for Grizzly. My question is what is a safe minimum load using 4227 or 4198? How about other powders? I have lots of 3031 and some 4831. Have people tried slower burning powders in these Scouts?
Kyle's post about energy delivered was timely as it points out the insanity of shooting a small doe with a cannon. Any info would be welcome about powder choices and results. I am even going to try some .40 saboted TC's. My brother and old friend are still shooting a couple of Richards Savage bolts guns with great results.
Would anyone have any idea about the MV or energy using the 56 grs and 250 SST's?
On another note, all the bucks I shot were DRT. The last 2 years the does managed to run down a steep hill no matter they were blown half to bits last year and punched right thru the boiler this year. Sorry about the rambling, lots of questions in there.
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Post by booner22 on Nov 15, 2022 22:33:37 GMT -5
Depending if you have a powder chamber my boys are shooting 30gr of 4227 we use 25 grains with a 200gr sst as a practice load it will retry well put them in a single hole at 100 yards. Mv is 1800 for the 30gr load.
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ronc
Junior Member
Posts: 89
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Post by ronc on Nov 16, 2022 14:30:17 GMT -5
According to Ballistic Explorer, a 250SST at an estimated 2500 fps has 3470 fpe at the muzzle, 2461 at 100 yds and 1700 at 200 yds.
60 gr of H4198 and the 253HC Pittman does 2625-2650 fps out of our 26" barrels with HIS ignition, so I estimated on your velocity. All have been pass-through on broadside shots with 2" plus exits so far on 20 or so deer.
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klook
Junior Member
Posts: 85
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Post by klook on Nov 16, 2022 16:08:55 GMT -5
Depending if you have a powder chamber my boys are shooting 30gr of 4227 we use 25 grains with a 200gr sst as a practice load it will retry well put them in a single hole at 100 yards. Mv is 1800 for the 30gr load. So how did you determine that you could use such a light load? And are you using a Scout from Hank? |
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klook
Junior Member
Posts: 85
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Post by klook on Nov 16, 2022 16:17:21 GMT -5
According to Ballistic Explorer, a 250SST at an estimated 2500 fps has 3470 fpe at the muzzle, 2461 at 100 yds and 1700 at 200 yds. 60 gr of H4198 and the 253HC Pittman does 2625-2650 fps out of our 26" barrels with HIS ignition, so I estimated on your velocity. All have been pass-through on broadside shots with 2" plus exits so far on 20 or so deer. Thanks, I estimated about 2420 by looking at what others were getting with similar bullets and came up with about 20 fps for 1 grain. I am also using IMR 4198. But that is real close to what I get in Sierra when I put in a custom bullet for the 250 SST. I know the fps is not linear but gets me close. |
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Post by buckeye68 on Nov 16, 2022 16:48:39 GMT -5
I have a CVA Scout that Jeff converted, using a DI plug. I have a 53 grain powder chamber in it using IMR 4227.
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Post by billyboy on Nov 16, 2022 16:59:18 GMT -5
the gun kicked the crap out of me last year and blew large holes in deer I wanted to eat. Sent you a PM |
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Post by booner22 on Nov 16, 2022 17:51:51 GMT -5
Depending if you have a powder chamber my boys are shooting 30gr of 4227 we use 25 grains with a 200gr sst as a practice load it will retry well put them in a single hole at 100 yards. Mv is 1800 for the 30gr load. So how did you determine that you could use such a light load? And are you using a Scout from Hank? I don’t have a powder chamber is a scout but not from hank has a asg plug. Other than that I just looked for a faster end of powder and worked till I got the mv I wanted. |
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ronc
Junior Member
Posts: 89
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Post by ronc on Nov 16, 2022 18:49:46 GMT -5
According to Ballistic Explorer, a 250SST at an estimated 2500 fps has 3470 fpe at the muzzle, 2461 at 100 yds and 1700 at 200 yds. 60 gr of H4198 and the 253HC Pittman does 2625-2650 fps out of our 26" barrels with HIS ignition, so I estimated on your velocity. All have been pass-through on broadside shots with 2" plus exits so far on 20 or so deer. Thanks, I estimated about 2420 by looking at what others were getting with similar bullets and came up with about 20 fps for 1 grain. I am also using IMR 4198. But that is real close to what I get in Sierra when I put in a custom bullet for the 250 SST. I know the fps is not linear but gets me close. No problem, 2420 fps shows 3252 fpe at the muzzle and 2033 fps, 2294 fpe at 100 yds and 1686 fps, 1578 fpe at 200 yds and 1530 fps, 1300 fpe at 250 yds. |
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Post by lbahunter on Nov 16, 2022 20:55:17 GMT -5
My Scout has the longer plug in it. I have a very small powder chamber. I shoot a resized Barnes 41mag 180gr with HLBS with Bluedot or N110.
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Post by sew on Nov 17, 2022 22:09:05 GMT -5
Sent 2 messages
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klook
Junior Member
Posts: 85
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Post by klook on Nov 18, 2022 8:39:37 GMT -5
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Post by lbahunter on Nov 25, 2022 20:02:10 GMT -5
My Scout has the longer plug in it. I have a very small powder chamber. I shoot a resized Barnes 41mag 180gr with HLBS with Bluedot or N110. I wanted the longer plug installed in my Scout because I wanted to shoot the faster powders. With the longer plug, I have about a .200 powder chamber. I was interested in shooting bullets less than 250 gr. preferably in the 180 to 225 gr. range. I was looking to find a load that was accurate and shoulder friendly. Some would consider the load I shoot to be a youth load.The load I shoot is absolutely lethal and accurate. Most of my shots are 125 yds or less. The 180 gr bullet does alot of damage. If they don't drop where they stand, they run maybe 30 yards with a great blood trail to follow. |
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Post by bluedog on Nov 25, 2022 21:38:41 GMT -5
Ibahunter; what is the “longer” plug? Are you talking about the ASG plug?
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Post by lbahunter on Nov 25, 2022 21:51:36 GMT -5
Ibahunter; what is the “longer” plug? Are you talking about the ASG plug? ASG Direct Replacement Plug with the Hankins DIS Ignition System (Direct Ignition System |
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klook
Junior Member
Posts: 85
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Post by klook on Nov 26, 2022 9:19:46 GMT -5
Interesting that you say you wanted to use the faster powders. Yet everyone is using the faster powders on the burn rate charts in chambers like mine, 50 grs of I4198. Using that theory, I should be better with slower powders. I have lots of 3031 but never see a load for it. I also have 4895 and 4831. No one seems to have data on them.
Don't get me wrong, sew has helped me tremendously. But the more info I can work with the better I can make decisions and stay safe.
You must mean a 20 gr. chamber?
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Post by bluedog on Nov 26, 2022 10:16:23 GMT -5
As for light loads in 45-70 conversion - anyone know how much IMR 4759 I can use in a CVA 45-70 conversion with a HIS break action plug? I must fill the powder chamber but not sure how much 4759 is needed for to do that, maybe 30 grains since it is a bulky powder. I have a bit of 4759 left over from duplex days and thinking it would make a good light load using 200 grain bullets w/ sabots?
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Post by sew on Nov 26, 2022 11:02:16 GMT -5
Lower loads of slower powders will cause extreme temperature sensitivity and likely greater fouling and poorer accuracy. Adequate pressure is very important.
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Post by 150class on Nov 26, 2022 11:31:41 GMT -5
Interesting that you say you wanted to use the faster powders. Yet everyone is using the faster powders on the burn rate charts in chambers like mine, 50 grs of I4198. Using that theory, I should be better with slower powders. I have lots of 3031 but never see a load for it. I also have 4895 and 4831. No one seems to have data on them. Don't get me wrong, sew has helped me tremendously. But the more info I can work with the better I can make decisions and stay safe. You must mean a 20 gr. chamber? I am thinking exact opposite. Faster powder instead of slow for lighter loads, provided it fills the powder chamber (if there is one).
Also, there is plenty of data here for most of the slower powders you have listed. 4895 is a quite popular one, but for the stout loads, not light loads.
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Post by bluedog on Nov 26, 2022 12:36:47 GMT -5
4759 is not a slow powder, I’m thinking
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