.475 NE (3 1/4") Cartridge Diagram

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23 March 2015, 06:34

MJines

.475 NE (3 1/4") Cartridge Diagram

Anyone have or know where I can find a cartridge diagram for the .475 NE (3 1/4")? I know it can be formed from .450 NE brass but was interested in exact dimensions. Thanks.

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23 March 2015, 07:03

MJines

Thanks, but does not appear that the .475 NE is listed just the two .475 No. 2's. :-( Also checked CIP/SAAMI.

23 March 2015, 14:28

Pondoro

http://www.kynochammunition.co...-cartridge-sizes.gif

Kynoch (Kynamco) sell this poster of cartridge and chamber sizes, the .475 Straight is included..

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23 March 2015, 17:00

MJines

Pondoro, that Kynoch chart looks perfect, except that they intentionally made the picture so small you cannot read it . . . forcing you to buy it I presume.

Cal, Cartridges of the World contains no dimensions, at least for the .475 NE. Not familiar with Flemming or Hoyem.

23 March 2015, 21:05

cal pappas

Mike: I don't have a drawing yet, but will this help?

.483 bullet diameter
.502 neck diameter
.545 base diameter
.621 rim diameter
3.25 case length
4.00 cartridge lengt
.254 Berdan primer diameter

Cal

24 March 2015, 02:42

465H&H

Mike,

Here is the data on the 475 # 1/4" from Flemming.

He sampled several cartridges of that caliber and reported the minimum and maximum measurements.

Min Max
Case length 3.239 3.300
Rim diam. .614 .624
Rim thk. .037 .042
Base .576 .580
Case mouth .500 .507
Bull diam. .474 .483
O.A Length 3.820 4.060

Hoyem lists the bullet diameter as .482, rim diam. .614, shoulder diam. .504, O.A. length 4.06.

465H&H

24 March 2015, 21:36

MJines

Thanks Walt.

If anyone has a copy of the Kynoch chart that is readable, that would be great. Trying to get what appears to be measurement "E" on the chart for the .475 NE.

Rusty
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25 March 2015, 18:56

MJines

Is this a great place or what? Thank you. Allow me to press my luck. What is the measurement from the rim to where measurement "E" is made?

31 March 2015, 18:15

The Norwegian

Pondoro,

why do you not just send Mike one 475 NE in the post ?

Would be interesting to experience the custom at US border !

Morten