Remington 45-70 405gr JSP
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Remington 45-70 405gr JSP
I've heard these bullets, when crimped in the top crimp groove, will be too long to cycle in a Marlin 1895, and must be seated deeper and crimped somewhere on the shoulder of the bullet to accomodate an OAL that will cycle.
Does anyone have any experience with this and exactly how much deeper the bullet must be seated?
Does anyone have any experience with this and exactly how much deeper the bullet must be seated?
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- Montanan
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Here is a pic of differant .458 jacketed bullets. Notice bullet 3 and 4, bullet #3 being a 400-gr Speer JSP and bullet #4 a 405-gr Rem 405-gr. You will have to seat the Rem 405-gr above the hump with a firm but not hard crimp.
You can get a Lee factory crimp die if you feel you need to.
Your total OAL is 2.545"
You can get a Lee factory crimp die if you feel you need to.
Your total OAL is 2.545"
My OAL for my loads are 2.55 with Rem 405s and it usually lands right in the top crimp groove.....Cycles in my 1895GS and 1895CB just fine and dandy...
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Max case length is 2.105" for the 45-70. In his article Handloading for the Marlin Model 1895, Brian Pearce trimmed the brass to 2.095". With the Remington 405 Softpoints the oal was 2.525". The longest oal was with Cast Performance 405 gr & 420 gr LFNGC bullets at 2.55". All loads functioned w/o problems.
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Can you "re-groove" bullets with some sort of cannelure making tool reasonably easily/inexpensively? It seems like it would be a fairly easy thing to do with a relatively simple tool/device.
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If someone who has a stash of the 405gr Remingtons on hand could take some measurements of the bullet for me, it'd be much appreciated.
I'd like the following measurements :
total length.
distance from base to the center of 1st cannelure.
distance from base to the center of 2nd cannelure.
width of the band between the cannelures.
I'd like the following measurements :
total length.
distance from base to the center of 1st cannelure.
distance from base to the center of 2nd cannelure.
width of the band between the cannelures.
...and I don't think he even knows it...Walks around with a half-assed grin...If he feels fear, he don't show it. Just rides into hell and back again.
I have some of the 405 you are asking about ( Rem 405 JSP)
With old eyes and old calibers, this is what I came up with.
OAL 1.001-1.002
base to cl of first cannelure .225
base to cl of second cannelure .405
between cannelures .100
width of cannelures .080
I hope this helps.
With old eyes and old calibers, this is what I came up with.
OAL 1.001-1.002
base to cl of first cannelure .225
base to cl of second cannelure .405
between cannelures .100
width of cannelures .080
I hope this helps.
when your enemy is within range so are you
A Lee Factory Crimp Die will make that unnecessary....I can't do without one of these for each caliber...AJMD429 wrote:Can you "re-groove" bullets with some sort of cannelure making tool reasonably easily/inexpensively? It seems like it would be a fairly easy thing to do with a relatively simple tool/device.
The Rotten Fruit Always Hits The Ground First
Proud Life Member Of:
NRA
Second Amendment Foundation
Citizens Committee For The Right To Keep And Bear Arms
DAV
Proud Life Member Of:
NRA
Second Amendment Foundation
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DAV
Thanks Bis and everyone else for the the replies.
I just wanted to make sure before I ordered some up and/or had to start thinking about just trimming my cases down to accomodate them.
I just wanted to make sure before I ordered some up and/or had to start thinking about just trimming my cases down to accomodate them.
...and I don't think he even knows it...Walks around with a half-assed grin...If he feels fear, he don't show it. Just rides into hell and back again.
Cas,
I may not be correct in my assumption, but every bullet I've seen crimped, be it factory new / factory reload / or someone else's load, has always been crimped into the cannelure.
I've never seen a factory round with a cannelured bullet crimped anywhere outside of it.
These 405gr JSPs are the only ones I've heard it being done with.
I may not be correct in my assumption, but every bullet I've seen crimped, be it factory new / factory reload / or someone else's load, has always been crimped into the cannelure.
I've never seen a factory round with a cannelured bullet crimped anywhere outside of it.
These 405gr JSPs are the only ones I've heard it being done with.
...and I don't think he even knows it...Walks around with a half-assed grin...If he feels fear, he don't show it. Just rides into hell and back again.
Hmmm... can't find any photos of Remington factory ammo, but this will do. (same same)
http://www.doubletapammo.com/php/catalo ... cts_id=163
http://www.buffalobore.com/ammunition/i ... 0_405..jpg
http://www.magnumresearch.com/NewsItems ... s/hg04.gif
http://www.doubletapammo.com/php/catalo ... cts_id=163
http://www.buffalobore.com/ammunition/i ... 0_405..jpg
http://www.magnumresearch.com/NewsItems ... s/hg04.gif
Slow is just slow.
I just checked the Remington factory 405 gr. .45-70 I have. I measures COL of 2.539" and bullets are crimped as CAS describes. While it appeared that the bullets might seem to be crimped in a cannelure comparing the Remington 405 gr. bullet to the loaded cartridge made it clear that they were not. The Remington brass has a case cannelure/crimp to prevent bullet set-back in the case.
Sincerely,
Hobie
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Hobie
"We are all travelers in the wilderness of this world, and the best that we find in our travels is an honest friend." Robert Louis Stevenson
Hobie,
A friend measured his Remington factory round and used the measurements from above and determined they are also crimped as you and Cas described.
Like I said, these are the only bullets I've heard of or have seen that have the crimp outside the cannelure.
A friend measured his Remington factory round and used the measurements from above and determined they are also crimped as you and Cas described.
Like I said, these are the only bullets I've heard of or have seen that have the crimp outside the cannelure.
...and I don't think he even knows it...Walks around with a half-assed grin...If he feels fear, he don't show it. Just rides into hell and back again.
Re: Remington 45-70 405gr JSP
Hobie wrote:I just checked the Remington factory 405 gr. .45-70 I have. I measures COL of 2.539" and bullets are crimped as CAS describes. While it appeared that the bullets might seem to be crimped in a cannelure comparing the Remington 405 gr. bullet to the loaded cartridge made it clear that they were not. The Remington brass has a case cannelure/crimp to prevent bullet set-back in the case.
Thats common with older calibres. Every factory 38/55 or 32/40 I'v ever seen was crimped behind the bullet.
Would be nice if Rem put a crimp groove where it was useful tho.