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jeepershooter · December 27, 2009, 03:37 PM

F. Guffey,

I'm a new comer to the forum and this is my first post. Happy New Year to all.

I don't know if the Japanese 6.5 action was reputed to be the strongest in the world but in blowup tests done on military bolt actions by P.O. Ackley (Handbook for Shooters and Reloaders, Volume II), the Japanese action held up the best. Analysis by Ackley showed that the Japanese action, although made of inferior material as compared to the 1903 Springfield, was selectively heat treated in the critical areas which is responsible for it's strength. Later WWII Japanese actions were poorly made with some being cast and were accidents waiting to happen.

December 27, 2009, 03:37 PM	#14
jeepershooter Junior Member Join Date: December 24, 2009 Location: Hawaii Posts: 5	F. Guffey, I'm a new comer to the forum and this is my first post. Happy New Year to all. I don't know if the Japanese 6.5 action was reputed to be the strongest in the world but in blowup tests done on military bolt actions by P.O. Ackley (Handbook for Shooters and Reloaders, Volume II), the Japanese action held up the best. Analysis by Ackley showed that the Japanese action, although made of inferior material as compared to the 1903 Springfield, was selectively heat treated in the critical areas which is responsible for it's strength. Later WWII Japanese actions were poorly made with some being cast and were accidents waiting to happen. Last edited by jeepershooter; December 27, 2009 at 04:46 PM.