Hogdon lists CFE data for 308 Win, would it work in a 260 improved case or would it make to much pressure before acceptable velocity? I'm loading the berger 130gr Hybrid AR bullet w/ win primer @ mag length. Anybody out there using CFE for anything like this? If so what charge in what case with what grain bullet?
CFE in 260 Rem, Would it work?
- Thread starter Lucky
- Start date
Thanks for all your responses. As i said, my main reason for the interest in CFE for my AR 260 is due to my existing supply of said CFE. I am aware it has a way faster burn rate but in my small capacity cases i really have to work at it to get any pressure signs. I was kinda hoping there might be some magical property that would provide better than generally thought possible in the 260. I was really hoping somebody had tried it and would have some results to share. It was admittedly a long shot. I also contacted Hogdon, they responded very quickly which i appreciated. Anyway, they said while it would certainly work loaded conservatively so as to avoid excessive pressure, it was not the ideal choice. My go to powder is 4831sc but it obviously does not work well in a progressive press. Im going to try Ramshot's Hunter as it is the closet spherical in terms of burn rate. Anyone have any experience with it in 260 AI?
Liven The Dream
Gold $$ Contributor
Well ! I have had a couple 260 Imp. H-4831SC was the only Powder that put me in the Winner's Circle.
Just my two cents.
Good Luck
Just my two cents.
Good Luck
Brians356
Silver $$ Contributor
I called Hodgdon asking why they listed CFE 223 for 243 Win but not 6mm Rem. Plus they list it for 243 WSSM which is the ballistic twin of 6mm Rem. They told me "Don't even try it in 6mm Rem! It's far too unstable." They also said that CFE is unusually quirky and unpredictable, so only use it in published cartridges. "When she's good, she's very, very good, but when she's bad she's horrid."
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CaptainMal
Silver $$ Contributor
Lucky... I looked at my book when I developed a load for my 260AI. Started with Rimshot Hunter and 140's. Great velocity, near 3,000 fps at 47.0 gr. and sub moa. At 47.5 gr. it went spiked to over 3,000 fps and showed pressure signs. but went to near 1/2 moa.
I use 223CFE in a 223. It reminds me of why I don't use Hunter in the 260. Just got upset with those little balls of powder blowing, splashing and falling out all over the loading bench and floor. Royal PIA to deal with ball powder. Even cleaning out the powder dispensers makes a mess.
Use what you want. I ended up using Reloader 22 but my bullets are 140 gr.
I use 223CFE in a 223. It reminds me of why I don't use Hunter in the 260. Just got upset with those little balls of powder blowing, splashing and falling out all over the loading bench and floor. Royal PIA to deal with ball powder. Even cleaning out the powder dispensers makes a mess.
Use what you want. I ended up using Reloader 22 but my bullets are 140 gr.
Hogdon told me CFE needed to {fill the case well}. They said they stopped at 107 gr bullets because the powder levels were getting low. Then said they would not say it wouldnt work but suggested there were better choices possibly H414 or W760. I didnt really expect it would be the best choice but thought the question worth asking. I really like the CFE in my 223 & 223 Ackley and while ill admit to being skeptical about the copper fouling eliminating properties it does in fact do as advertised for me. That was huge for me. I also get plenty of velocity but more importantly to me, very good accuracy. Even thrown from the measure the accuracy is very good. Any difference between weighed loads and thrown loads is small enough as to be irrelevant.
I agree, the ball powder can be messy. I have to be careful when rotating shell holder on my 550 from charging station to seating station or it will slosh powder out when shell holder reaches detent position and stops or locks. It does throw really consistently though and i use it exclusively on the progressive for .223, .223 AI & .20 Practical with great results. As stated before in this thread, I use H4831sc in the 260 AI and wouldnt be looking for anything else except that i want to try and find a load with a spherical to utilize the progressive machine just for the one AR platform rifle i have chambered in the 260AI. The whole project has kind of been an experiment. There was some considerable doubt about how it would feed. Original barrel extension wouldnt feed but after starting over with a different one from a manufacturer that builds alot of 260 Rems it now feeds and shoots great. The guy that did the build is very meticulous and this gas gun shoots as good as any of my bolt guns including my heavy target bolt gun that i occasionally win a 1000 yrd F class match with. Thanks for the info on the R Hunter, ill start down from there a ways and work up.
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