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Post by geepee3 on Jul 22, 2018 13:47:06 GMT -8
Starline brass has what it calls 6.8 Basic. Can be converted to American 30 or other 6.8 wildcats. Needs to be annealed before sizing. First test today. Left to right; 6.8 Basic case, Basic case annealed, Case sized, Case trimmed to length. Need to do more testing and work on my annealing skills. Big thanks to Starline Brass for making this available! Need to rebarrel my American 30 barrel on to a receiver. Took it off to do another wildcat. Thanks, Glenn
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dontek
Junior Member
Posts: 18
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Post by dontek on Jul 23, 2018 6:31:48 GMT -8
What annealing process are you using? Are you doing a full-body anneal as recommended?
I'm interested in this for 25x6.8 and 6x6.8, but I don't have a good way of doing a full body annealing right now.
The other downside to me is, this actually cost more than their 6.8 SPC brass and requires more work to use.
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Post by geepee3 on Jul 23, 2018 14:03:12 GMT -8
As far as I know, Starline is not saying to do a full body anneal. I am contacting them to get more details. For heating, I am using a 11mm deep socket attached to an electric screwdriver over a small propane torch.
Will give you more info as I get it. Thanks, Glenn
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Post by GLSHOOTER on Jul 23, 2018 14:06:39 GMT -8
What annealing process are you using? Are you doing a full-body anneal as recommended? I'm interested in this for 25x6.8 and 6x6.8, but I don't have a good way of doing a full body annealing right now. The other downside to me is, this actually cost more than their 6.8 SPC brass and requires more work to use. It's a waste of time and money going down to anything below the 6.8. The A-30 is good if you have one of the chambers that require fire-forming unlike the original reamer design that is set up to do with it being a straight neck down/trim only. You don't full body anneal. You only do the top 1/4-1/3 of the case. Stay way away from any lower than where a formed case neck/shoulder would be. Greg
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Post by geepee3 on Jul 23, 2018 15:09:14 GMT -8
What annealing process are you using? Are you doing a full-body anneal as recommended? I'm interested in this for 25x6.8 and 6x6.8, but I don't have a good way of doing a full body annealing right now. The other downside to me is, this actually cost more than their 6.8 SPC brass and requires more work to use. It's a waste of time and money going down to anything below the 6.8. The A-30 is good if you have one of the chambers that require fire-forming unlike the original reamer design that is set up to do with it being a straight neck down/trim only. You don't full body anneal. You only do the top 1/4-1/3 of the case. Stay way away from any lower than where a formed case neck/shoulder would be. Greg Thank you Sir. With new 6.8 SPC brass I have to fire form with my barrel. What is nice with the Basic I can size it to the chamber. With the case walls being straight it is very close in volume to a once fired case. We are talking only .4-.5 grains difference in volume. That's a game changer! Thanks, Glenn
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Post by GLSHOOTER on Jul 23, 2018 15:49:30 GMT -8
With the chamber you have it is a nice option. The straight cases do cost you initial volume and regaining it is nice.
Greg
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dontek
Junior Member
Posts: 18
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Post by dontek on Jul 23, 2018 15:50:46 GMT -8
You don't full body anneal. You only do the top 1/4-1/3 of the case. Stay way away from any lower than where a formed case neck/shoulder would be. It states right in the description on their product page for this brass: “This brass has not been annealed, and will require a body anneal prior to forming, and possibly a neck anneal after forming, depending on how far it is necked down.”
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Post by GLSHOOTER on Jul 23, 2018 18:28:26 GMT -8
I'm sure they don't mean all the way to the head. There Chief Ballistician there tokd me to do the front as that's all you are working with. A dead soft head will stick in the bolt. I saw this in a 5.7 Spitfire a friend was doing. Not good.
Gre
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dontek
Junior Member
Posts: 18
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Post by dontek on Jul 24, 2018 6:20:54 GMT -8
I'm surely not suggesting anyone anneal the head of the case, however, there is body-taper behind the shoulder on the 6.8 SPC which needs to be sized-in on this brass and I assume this is what "body anneal" the description is stating may be necessary. Most annealing machines only anneal the neck and shoulder, which is why I asked about the process. I'm very curious how Starline tech responds.
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Post by GLSHOOTER on Jul 24, 2018 6:54:53 GMT -8
The original post GP was referring to asked about full body annealing. The machines on the market can annea down far enough for the task. Much past the shoulder is not needed. The case is so short that better a bit less than too much.
GP is using the socket method that's been working well from what I'm seeing on various boards with this brass.
Let us know what Hunter says.
Greg
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Post by geepee3 on Jul 24, 2018 10:31:18 GMT -8
Talked to the Tech at Starline today. Pretty much what Greg said. You want the annealing to go slightly below the where you plan to set the shoulder. If you look at the annealing lines on the picture of the four cases I posted. You will see the second case to the left the annealing is really not down far enough. Two formed cases are in the right area.
Had a good talk to the Tech. Apparently he shoots BHW barrels in American 30, 6x45mm and 25x45mm. Of course I had to ask if Starline was going to start making 6x45mm since I shoot that also. Hope this info helps.
Thanks, Glenn
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dontek
Junior Member
Posts: 18
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Post by dontek on Jul 24, 2018 10:34:24 GMT -8
Good to know. Thanks for making that call.
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Post by GLSHOOTER on Jul 24, 2018 19:33:05 GMT -8
Thanks for the follow up GP. That tech is their Chief Ballistician. He and I have been talking for about three years. He was one of the first to get an American 30. I shared a bunch of load development information with him.
Over the past six months we have been discussing doing 22 NOSGAR brass. Hard to tell what will happen. I'm going to shoot some Grendel brass over the next week.
He's a very knowledgable fellow and is interested in what shooters and consumers have to say. Pretty dang refreshing.
Greg
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Post by geepee3 on Jul 25, 2018 19:28:24 GMT -8
Good to know. Thanks for making that call. No worries! Wanted to make sure myself if there was something I was missing. It is reloading and we need to practice safe reloading procedures. Thanks, Glenn
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Post by geepee3 on Jul 25, 2018 19:34:56 GMT -8
Thanks for the follow up GP. That tech is their Chief Ballistician. He and I have been talking for about three years. He was one of the first to get an American 30. I shared a bunch of load development information with him. Over the past six months we have been discussing doing 22 NOSGAR brass. Hard to tell what will happen. I'm going to shoot some Grendel brass over the next week. He's a very knowledgable fellow and is interested in what shooters and consumers have to say. Pretty dang refreshing. Greg It was very nice to talk with Hunter. Good to talk with someone in the industry, besides BHW, that actually knows what caliber we are working with. Starline will be definitely be getting more of my business. Thanks again Greg. Glenn
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