What is this? ? Japanese 27mm Case


#1

Case I found on ebay this morning, can anyone tell me what it is? (See photo and link) any info would be helpful. I have never seen anything like this before.

http://cgi.ebay.co.uk/brass-shell-case-cartridge-case-27-mm-japanese-inert_W0QQitemZ140132039745QQihZ004QQcategoryZ4721QQrdZ1QQcmdZViewItem#ebayphotohosting


#2

Hi Falcon,

This is not a 27mm but a 25mm case.
It is 25mm Type 96 for Japanese navy.
This is the same case as the French 25x163mm Hotchkiss.

navweaps.com/Weapons/WNJAP_25mm-60_mg.htm

Rien


#3

Cheers Rien. What was this used for? Anti Aircraft? I won’t be buying this as it is outside my area of interest, J just wondered what it was.


#4

Yes, Anti Aircraft.


#5

As Western said, this is for the Japanese Type 96 naval anti-aircraft gun.

It came in both brass and steel cases in a number of loads. These were explosive, explosive tracer, explosive incendiary, APT, tracer and practice as well as three types of dummy/drill. There were also variations of the above with self destruct fuses.

According to WW2 enemy weapon manuals the Type 96 had a vertical range of about 10,000 feet and a horizontal range of 5000 yards.

Regards
TonyE


#6

This was a standard Japanese medium AA gun which was often used on land mounts as well. I have the US training video for the use of these captured guns of possible interest.


#7

Pic of the 25x163 next to some others (from the Ammunition Photo Gallery on my website):

23x115 Russian (NS-23, NR-23, AM-23, GSh-23, GSh-6-23), 23X122 (exp. French HS.406/7), 23x139SR (exp. US T4) 23x152B (Russian ZSU - VYa almost identical but brass case), 24x138 (Swiss Pzw.Kan 38), 25x137 (Oerlikon KBA: NATO standard also used in M242 Bushmaster Chain Gun, GAU-12/U, GIAT 25M811), 25x163 (Hotchkiss - aka IJN Type 96), 25x184 (Oerlikon KBB), 25x189 (Vickers 25.4mm), 25x218 (Russian Navy: earlier M1940 version used a slightly different, 25x218R, case, while the Bofors it was developed from used a 25x205R case), 27x145B (Mauser BK 27), 28x199SR (USN 1.1")


#8

A fine reference lot for case types.