nerfsrule2
Member
I have a stock and a new HB ready to go for a .220 swift. In looking for a short action (Remington 700) I came across a .243.. What mods will have to be done to to the .243 action to make it work in my .220,, Thanks Dave
Convert a .243 to .220 swift???
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IndianaBoy
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I don't have any cartridges sitting here to look at, and my memory is a bit foggy on overall length.
I load for a swift, and if I recall correctly it is too long for a short action.
Unless you want a single shot, make sure. I am sure someone will be along shortly to confirm or deny my suspicion.
I load for a swift, and if I recall correctly it is too long for a short action.
Unless you want a single shot, make sure. I am sure someone will be along shortly to confirm or deny my suspicion.
rcmodel
Member in memoriam
.220 Swift Max OAL = 2.680".
.243 Max OAL = 2.650".
Whether or not the extra .030" length would be a problem in a Rem 700, I can't say.
rcmodel
.243 Max OAL = 2.650".
Whether or not the extra .030" length would be a problem in a Rem 700, I can't say.
rcmodel
Sunray
Member
The Swift's case is 2.205" long. The .243's is 2.045" long. You'll have to lengthen the mag well a bit.
Remington's site is decidedly quiet about receiver lengths.
Remington's site is decidedly quiet about receiver lengths.
eastwood44mag
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What about case head dimension? (i.e. you might need a new bolt)
rcmodel
Member in memoriam
Case length has nothing to do with anything except ejection.
It is the OAL of the loaded round you need to be concerned with.
As I already posted, that difference is .030".
Case head size is the same .473" on both.
Mag box length on the short action should be 2.850", as compared to the Swifts 2.680" OAL loaded length.
The standard action magazine is 3.350", and the Magnum action magazine is 3.700".
If at all possible, I would suggest you take a .220 Swift round and see for yourself if it will fit in the .243 magazine, and also see if it will extract & eject.
rcmodel
It is the OAL of the loaded round you need to be concerned with.
As I already posted, that difference is .030".
Case head size is the same .473" on both.
Mag box length on the short action should be 2.850", as compared to the Swifts 2.680" OAL loaded length.
The standard action magazine is 3.350", and the Magnum action magazine is 3.700".
If at all possible, I would suggest you take a .220 Swift round and see for yourself if it will fit in the .243 magazine, and also see if it will extract & eject.
rcmodel
Barrel change
If your not a gunsmith with all the re-barreling tools stop right now. You will need headspace no-go guage or some use a factory new loaded round and a go guage for headspacing. If the bolt closes on a no-go you'll have to shorten the threads on the barrel or if the bolt doesn't close on a go guage you'll need to ream the chamber. If this confuses you, than leave it to a qualified gunsmith. Barrel change is a lot harder than screwing a nut on a bolt.
If your not a gunsmith with all the re-barreling tools stop right now. You will need headspace no-go guage or some use a factory new loaded round and a go guage for headspacing. If the bolt closes on a no-go you'll have to shorten the threads on the barrel or if the bolt doesn't close on a go guage you'll need to ream the chamber. If this confuses you, than leave it to a qualified gunsmith. Barrel change is a lot harder than screwing a nut on a bolt.
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