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Rifles, Reloading, Optics, Equipment
Reloading
Need technical input: rifle project based on 7LRM cartridge necked to .277
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<blockquote data-quote="Alibiiv" data-source="post: 2023958" data-attributes="member: 69192"><p>I've never adventured to where you are going with this project, however............I would suspect that the first thing you have to do if come up with a design, on paper, then have a reamer made. From there you will have to find a gunsmith to have the barrel reamed and fitted to a barrel, ensuring that the cartridge will cycle through the action meaning the magazine box and then feed rails. After that I set of custom dies are going to have to be in the makings, hopefully the dimensions of the parent brass will allow you to fire form your brass so three fire formed cases can be shipped to the company making the custom dies for samples, but I "think" that the die company can make your dies from the reamer?? I'm sure there are others on the forum who can comment on that.</p><p></p><p>Then.....my original thoughts were, how come he wants to reinvent the wheel????? There's plenty of wildcat cartridges that will meet or surpass just about anything anyone can come up with in the design of a .277 wildcat. There's just so my casing and so much powder that can be burned and pushed down that barrel, and after that the gain is not worth the effort. I'm thinking that Nosler is just about pushing the envelope with their new 27 Nosler. I have a .270 Ackley Improved that is shooting just about the same vicinity as the 27 Nosler, using about 3/4 quarters of the powder. Something that you might want to look into. Also <strong>elcoholic</strong> on the forum, Sherman Wildcat cartridges might also be able to help you out, I'm not sure if he has a .277. I would also check in with<strong> J E Customs</strong> (on the forum) he's very knowledgeable and I would certainly check in with him before I started a project such as the one you've described here. One last thing is that presently there is not a real great selection of bullets out there to select from. But......that's in today's market, who knows tomorrow the shooting industry and the gun magazines may start to tout the .277 caliber/cartridge to be the greatest and latest, 1000 yard, T Rex, anti-tank, Zombie killer and that's all you will read about for a year, then you might find a better selection of bullets out there.</p><p></p><p>One more last thing......I didn't read anywhere about what you intend to do with this wildcat, what are you intending to hunt with or distances to shoot?? Also.......might want to reconsider the .284 caliber, there's a whole lot more versatility with this caliber then the .270. I like the .270 Ackley Improved because I built the rifle specifically for whitetail deer hunting, and perhaps a coyote hunt if I can find a place to hunt that doesn't break the bank. The 130gr and the 150gr bullets, and there's a good selection of this weight bullets, are what these rifles were built for; 1-10 twist. Hope my two-cents has given you some insight, and good luck with your new project.</p></blockquote><p></p>
[QUOTE="Alibiiv, post: 2023958, member: 69192"] I've never adventured to where you are going with this project, however............I would suspect that the first thing you have to do if come up with a design, on paper, then have a reamer made. From there you will have to find a gunsmith to have the barrel reamed and fitted to a barrel, ensuring that the cartridge will cycle through the action meaning the magazine box and then feed rails. After that I set of custom dies are going to have to be in the makings, hopefully the dimensions of the parent brass will allow you to fire form your brass so three fire formed cases can be shipped to the company making the custom dies for samples, but I "think" that the die company can make your dies from the reamer?? I'm sure there are others on the forum who can comment on that. Then.....my original thoughts were, how come he wants to reinvent the wheel????? There's plenty of wildcat cartridges that will meet or surpass just about anything anyone can come up with in the design of a .277 wildcat. There's just so my casing and so much powder that can be burned and pushed down that barrel, and after that the gain is not worth the effort. I'm thinking that Nosler is just about pushing the envelope with their new 27 Nosler. I have a .270 Ackley Improved that is shooting just about the same vicinity as the 27 Nosler, using about 3/4 quarters of the powder. Something that you might want to look into. Also [B]elcoholic[/B] on the forum, Sherman Wildcat cartridges might also be able to help you out, I'm not sure if he has a .277. I would also check in with[B] J E Customs[/B] (on the forum) he's very knowledgeable and I would certainly check in with him before I started a project such as the one you've described here. One last thing is that presently there is not a real great selection of bullets out there to select from. But......that's in today's market, who knows tomorrow the shooting industry and the gun magazines may start to tout the .277 caliber/cartridge to be the greatest and latest, 1000 yard, T Rex, anti-tank, Zombie killer and that's all you will read about for a year, then you might find a better selection of bullets out there. One more last thing......I didn't read anywhere about what you intend to do with this wildcat, what are you intending to hunt with or distances to shoot?? Also.......might want to reconsider the .284 caliber, there's a whole lot more versatility with this caliber then the .270. I like the .270 Ackley Improved because I built the rifle specifically for whitetail deer hunting, and perhaps a coyote hunt if I can find a place to hunt that doesn't break the bank. The 130gr and the 150gr bullets, and there's a good selection of this weight bullets, are what these rifles were built for; 1-10 twist. Hope my two-cents has given you some insight, and good luck with your new project. [/QUOTE]
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Need technical input: rifle project based on 7LRM cartridge necked to .277
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