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The Winchester Model 1892 / Re: Slicking up a Miroku 92?
« Last post by Doc Holloman on March 27, 2024, 10:23:30 PM »I've got a Rossi in .45 Colt that I have slicked up (to a degree) myself. Changing the ejector spring did not eliminate the annoying catch in the last 3/8 inch of bolt closing, but I digress. I have a another in .357 (my pistol caliber "Long Range" gun) that NKJ slicked himself .
This is what NKJ told me when I asked about swapping the hammer spring:
"The fire control parts for the Rossi is much like the original Winchester 92. The new Miroku Wins are nothing like the original.
If you reduce the hammer spring on the new ones they will probably miss fire.
The Miroku 92 has an inertia style 5-piece firing pin. Even with the hammer setting on it, this firing pin is too short to reach the primers. It requires the heavy rebounding hammer spring to slam it forward for consistent ignition and you will feel that heavy spring when levering the action.
Thanks,
Steve Young aka Nate Kiowa Jones Sass# 6765"
After I received this I found a comment he made on the SASS Wire back in 2017 to the effect that reliably fixing the stiff levering required replacing the hammer, trigger and firing pin, and their associated springs.
This is what NKJ told me when I asked about swapping the hammer spring:
"The fire control parts for the Rossi is much like the original Winchester 92. The new Miroku Wins are nothing like the original.
If you reduce the hammer spring on the new ones they will probably miss fire.
The Miroku 92 has an inertia style 5-piece firing pin. Even with the hammer setting on it, this firing pin is too short to reach the primers. It requires the heavy rebounding hammer spring to slam it forward for consistent ignition and you will feel that heavy spring when levering the action.
Thanks,
Steve Young aka Nate Kiowa Jones Sass# 6765"
After I received this I found a comment he made on the SASS Wire back in 2017 to the effect that reliably fixing the stiff levering required replacing the hammer, trigger and firing pin, and their associated springs.