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Post by alchemist on Sept 12, 2009 12:24:06 GMT -5
I had a .357 mag bisley once which was loads of fun to shoot and it didn't recoil much at all with heavy loads. I don't mind serious recoil, but it does wear on you after a while in long shooting sessions. I find I can shoot the .357 all day long, and really loved the bisley. Well like too many folks I sold it after lusting after another sweet gun. Anyways got to missing the bisley but bought a FA 83 in .357 to hunt deer with and for the fun of shooting the 357 mag at outrageous velocities. However, I never expected the recoil in that gun to be straight back like someone smaking my open hand with a two by four. It was tolerable but not something I yearned to just have fun with. I had a .357 Blackhawk modifed by Gary Reeder to his 356 GNR. Now there was a fun gun without a stretched frame that drove 180 gr bullets to heady velocities. Got to thinking about what it would do in a five shot FA 83 and sent it off to Gary to have him make it a 356 GNR. Wow, the recoil was a nice roll and a powder puff to shoot. However, it being a five shot, I thought I could really increase the powder and velocity. Wrong, it would only take about a grain more powder than the max blackhawk load and then locked the cylinder up tight. So the gun is not really much better than the regular blackhawk. So why is it doing that?!?!?!? Any experience with five shot revolvers and bottleneck cases? Any ideas?
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Post by Lee Martin on Sept 13, 2009 19:44:09 GMT -5
First off, welcome to the forum. You're walking a fine-line with bottleneck rounds in revolvers. They work, but as you found out there's a pressure window. Go too low and lock-up occurs because the brass doesn't expand fast & hard enough to grab the chamber. Go too high and the head thrust overcomes the case grip. Vapor honing the chambers may help, but beyond that you may have to hold at 6-shot maximums. -Lee www.singleactions.com
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Post by Markbo on Sept 14, 2009 12:43:28 GMT -5
What is vapor honing?
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Post by Lee Martin on Sept 15, 2009 9:42:57 GMT -5
Forcibly spraying grit suspended in a solvent. It not only removes surface contaminants but 'roughens' the chamber a bit. -Lee www.singleactions.com
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