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Post by arokcrwlr on Oct 24, 2010 16:52:11 GMT -5
Sorry if this has been covered before - I'm a FA newb...
The FA manual advises not to fire 45C rounds out of the 454 cylinder - no mention of 480 out of the 475 cyl. I assume the advice is the same for 480/475.
Can someone explain the technical reasons behind this advice? It's ok with every other gun manufacturer as far as I know. I have a bunch of 480 brass and very few 475L brass - if folks use 480 brass reloads for the 475 FA I'd like to hear about it.
Thanks!
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Post by wildey1 on Oct 24, 2010 17:03:37 GMT -5
If the chambers are on the tight side, the fouling ring left by the shorter cartridge will interfere with chambering the longer round. Especially if you shoot a bunch of lead and dont scrub in between. That and the jump to the throats would be my guess
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Post by arokcrwlr on Oct 24, 2010 17:32:09 GMT -5
Isn't that true for any manufacturer? I have Rugers and S&W's that I used to shoot 44spcl loads in and if I didn't clean the chambers I had difficulty loading and ejecting spent casings. I am really trying to understand why it's advisable to spend nearly $400 on a new cylinder rather than performing routine maintenance. I guess I'm looking for someone to say "it's ok, I do it all the time". Of course, if there's a good reason I certainly will protect my investment and get a new cylinder.
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groo
.327 Meteor
I yet live!!!!
Posts: 855
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Post by groo on Oct 24, 2010 17:40:11 GMT -5
Groo here The crud at the front of the chamber causes a tight chamber condition that at 454 pressures can damage the gun [ one of the only things that can IMHO] Other guns do not have that tight of chambers combined with that high of pressures. Some of my handloads [when I was young and had an "S" on my chest] were so high that I would not even consider using them in a Ruger or a Taurus.
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Post by AxeHandle on Oct 24, 2010 21:47:12 GMT -5
I believe FA typically cuts chambers on the minimum side of the specification. This compounds the effect of a little buildup in front of a 480 case in a 475 chamber. Even if you haven't quite buggered up the chamber to where a 475 round won't chamber that little bit of buildup is right where the crimp of the 475 case wants to open up into......
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Post by zeus on Oct 24, 2010 22:07:34 GMT -5
Just load down in the 475 brass and you don't have to worry about it. If I wasn 45 Colt loads, I load down in the 454 brass
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Post by arokcrwlr on Oct 25, 2010 6:42:45 GMT -5
Good advice, but I have so much 480 brass...
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aciera
.375 Atomic
Posts: 2,097
Member is Online
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Post by aciera on Oct 25, 2010 7:56:39 GMT -5
A perfect excuse to buy something in ..........oh I don't know........480.....
You got your reality, I got mine.
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Post by zeus on Oct 25, 2010 14:20:59 GMT -5
Or trade it off to someone I know that Fowler and Sixshot use them 480s that you speak of
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Post by sixshot on Oct 25, 2010 14:58:06 GMT -5
How much you want for that used 480 brass?
Dick
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Post by arokcrwlr on Oct 25, 2010 15:48:51 GMT -5
I still have a need for the 480 brass as I also have a SRH in 480. I was just wanting to double dip. I still haven't heard a technical reason why shooting both calibers isn't advisable, that wouldn't also apply to BFRs or other calibers like 44Spl/44mag, 38/357, etc... However, I will defer to FA and have a new cylinder fitted should I find the uncontrollable desire to shoot 480 in the FA. Dick, if you need brass and don't mind once fired, there's a local shop here that had once fired for $.20 each. I don't know if that's considered good in other parts of the country, but it's a fair deal here. Let me know if you are interested and I'll check for you.
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Post by arokcrwlr on Oct 25, 2010 15:58:31 GMT -5
I believe FA typically cuts chambers on the minimum side of the specification. This compounds the effect of a little buildup in front of a 480 case in a 475 chamber. Even if you haven't quite buggered up the chamber to where a 475 round won't chamber that little bit of buildup is right where the crimp of the 475 case wants to open up into...... I just re-read this and groo's response as well. Ok, this makes sense and I can see the potential for increased pressures in a tight chamber. Thanks. Also, I just got off the phone with FA and they basically said the same thing. But they also said if not a lot of 480 was fired, and the cylinder was cleaned good, there shouldn't be a problem - but if the plan was to shoot a lot of 480, they recommend having a new cylinder fitted. Good enough for me - thanks to all for reading and responding.
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Cannon
.240 Incinerator
Posts: 85
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Post by Cannon on Oct 25, 2010 16:19:09 GMT -5
How much you want for that used 480 brass? Dick Dick, Please send me a PM with your address, and I'll send some brass your way. We talked about it in June, and I'm sorry to say I forgot about it until reading this post. Cannon
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Post by Mark Terry on Oct 25, 2010 16:58:45 GMT -5
I was able to source some Hornady 480 brass from Cabelas but can't seem to find 475 brass anywhere. If anyone knows where it might be in stock, I'd appreciate hearing about it. Midway, Graf's, Starline, and Cabelas are all back ordered.
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Post by zeus on Oct 25, 2010 17:00:23 GMT -5
The biggest problem is people are usually lazy and don't get around to cleaning the cylinder after using it with the shorter cases. Then you come back and shove a round in with a pressure of 50,000 or more in there with a dirty cylinder and you could have issues arise. If you are religous about cleaning, go for it, BUT, I'm not
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