bob
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Posts: 4
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Post by bob on Sept 20, 2020 18:38:13 GMT -5
I took my Scout V2 Hankins conversion out to the range for the first time today. Loaded it with 65 grains IMR 4198 per Jeff's directions, and topped off the load with a Pittman Accumax 275gr bullet. I used CCI Magnum Rifler primers in the primer modules. Got it on the bench, pulled back the hammer, pulled the trigger, and NOTHING happened Primer module had carbon soot on the inside but powder did not ignite. I tried with 4 separate primer modules, all loaded with CCI MR primers, and still no boom. I took the gun home and broke it down. Powder looked unburned when it came out. Breech plug had carbon soot inside of it as did primer modules. I fired 4 primer module (gun unloaded) and they all fired as expected. I am wondering what happened. Do the CCIs not throw enough flame to ignite the powder? Any ideas or suggestions are welcome. I have attached photos of the primer modiules and breech plug.
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Post by outdoors81 on Sept 20, 2020 19:56:55 GMT -5
How were the bullets sized(tight or loose), did you seat the bullet all the way on the powder charge, did you use a wad? I had a CVA conversion and never had any ignition issues using CCI250 primers.
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Post by dennis on Sept 20, 2020 20:10:05 GMT -5
Also make sure your jag isn't hanging on to the bullet and lifting it off the charge. Sounds like too loose bullet size though.
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bob
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Post by bob on Sept 20, 2020 21:02:28 GMT -5
Thanks, Outdoors81 and dennis - the bullet was loose. Measured .4490 diameter. There was resistance to starting the bullet into the muzzle, but then it went down very easily after that - almost felt like it was slipping down the bore toward the end of the barrel. .4495 was hard to start through the end of the muzzle and I figured fouling the bore with a few shots would make the smaller diameter fit better after a few shots. I did not use a wad. I pushed the jag onto a bullet sitting on my reloading bench and it did not hang on to the bullet, so I don't think that's the problem. I too was wondering if I had seated the bullet far enough. I will try a bit larger bullet size and make sure the bullet seats properly next time. Good to know the CCIs work as I have a boatload of them at the house.
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Post by Hank on Sept 22, 2020 7:03:03 GMT -5
I would have to agree with these guys. If the bullet is lifted off the powder charge the rifle will not fire. If the bullet is loose but still on the charge it should fire. Some of these scouts have a small burr at the muzzle, you can lap that burr away very easy using a tight fitting patch and some diamond honing compound. I am seeing more and more barrels with this problem.
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bob
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Posts: 4
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Post by bob on Sept 22, 2020 21:16:47 GMT -5
Thanks, Hank. I inspected the crown and end of muzzle and all looks well. At least as far as I can tell there is no visible burr. I tried a .450 diameter bullet tonight but it is extremely tight. It might go down the barrel with a great deal of force, but I am concerned it may jam in the barrel. I will keep downsizing the bullet in small increments until I find the largest size that will go down the barrel. I know from Sunday that .4490 is too small. I'm thinking somewhere in the .4495 range might do better.
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Post by elkman1310 on Sept 24, 2020 16:46:29 GMT -5
This is where a good micrometer comes into play. Increments of one tenth is what you want to go by. .4490 would be pretty small for a true .458 barrel. Not sure if the CVA is actually a.457. Shilen barrels that start off at .457 usually take a .4490 sized bullet all the Brux barrels I have used either took a .4498 or a .4499 . the CVA will be different. You need to measure the bearing surface of the bullet and move your die a small amount and test a bullet a clean barrel will take a little large size bullet than a fouled barrel but it won't be .005 difference.
Also if you get a misfire and it doesn't go off on the second try after seating the bullet on the powder charge you have burnt just enough of the powder kernels that it will not go off you will need to remove that powder charge and start over. With the break action its not a big deal compared to a bolt action.
All large rifle primer especially the mag. should work.
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bob
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Post by bob on Sept 26, 2020 10:44:53 GMT -5
Good info, elkman1310. I have some bullets sized for .4495 that I am going to try. If I wind up with another misfire then I will do as you suggest and go up in diameter by very small increments. The .4495 requires some force to start it, but once started, it seem to go down with minimal effort. I may try it with a wad for starters.
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Post by lakeplainshunter on Sept 26, 2020 14:02:23 GMT -5
You can also knurl it to tighten it up.
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