Japanese Militaria at Castle-Thunder.com

[chucksniper]

I have a series 1 and when holding back the trigger you cannot close the bolt, you have to cock it first.

With my series 22 you can close the bolt by holding back the trigger.

What gives?

[Garandshtr]

It seems that I read something in here about that, related to closing a bolt or not, while stored. I think Trey keeps his bolts open all the time. Maybe a post by Arisakadogs? As I recall, this was a phenomenon related to manufacturing changes during the production, and was a "strange" sort of event.
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Still trying to learn what I can, mainly about the Type 99 and Type 38. I have more curiosity than time, and more time than money.

[gwsiii]

I don't 'de-cock' 99s. Some work ok, some don't. The actions were not designed to be de-cocked. That's what the safety is for. Some of the ones that allow it, don't allow the bolt to be opened afterwards without disassembly. De-cock at your own risk. I prefer to store mine open, at a glance I can tell if loaded or if something has been inserted in the chamber before handling. If its de-cocked, and you fiddle around with the safety, and do it just right, you will end up with a heavy 'spear'. I did as a child on a 38, and it took a trip to the gunsmith to get things righteous again. One of the few times, I only did something once, and learned from it. I usually did things twice to be sure the same thing would happen again. Finger in wall outlet/light socket, penny on model train tracks, that sort of thing. I'll only say that I'm glad President Lincoln is no longer an integral portion of my thumbprint....
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I didn't pay to much for that old Arisaka, I just bought it a little bit too soon!

[chucksniper]

so what prevents the bolt from being decocked?

[gwsiii]

It has to do with the way the trigger engages the sear on firing pin, the safety and groove in the action. If it gets caught in front of the trigger 'hump' it doesn't disengage. I had someone decock my beautiful Jinsen 38 last year at riceone's get together, we had to run to the shop and disassemble and remove the trigger to get the bolt out again.
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I didn't pay to much for that old Arisaka, I just bought it a little bit too soon!

[chucksniper]

I fail to see how it hangs up..... I see where the little block on the safety
hits the slot on the receiver.... but not what prevents the bolt from turning down.... and the trigger sear clears the firing pin sear.

[arisakadogs]

We've been around this tree many times on another site and it's led to some pretty heated arguments.
I've been decocking my rifles since I started collecting in the late 60s. Some won't but many will. What gets folks in trouble is that they try to keep the trigger pressed when closing the bolt. This is what causes the lock up. It's simple - push the bolt forward till it engages the sear, pull the trigger & push it forward all the way. Now, get off the trigger!!! and see if the bolt will close. Don't try anything more than a light wack with your hand or you could break the hump off between the two firing pin recesses at the rear of the bolt.
That's what I do & if it doesn't work I just snap it. This isn't something I do on a repetitive basis.
Anyway, I've never experienced a lock up or a broken part. I have seen the "hump" damaged & someone may have used a hammer or something to close the bolt. Just be careful
I really don't want to get into another argument over this. The questions was asked & I answered
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"A woman, a dog & and a walnut tree. The more ya beat em, the better they be" (From "The Red Bagde of Courage")

[gwsiii]

Dogs, appreciate the explanation, don't guess I've ever seen the process defined as well as that. Thanks, Trey
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I didn't pay to much for that old Arisaka, I just bought it a little bit too soon!

[arisakadogs]

Thanks Trey, the problems stem from folks that are used to the K-98 action and they just want to hang onto that darn trigger. There's a pin that comes up when the trigger is pulled & it's supposed to go into a recess if the bolt is properly closed for firing. This pin is what gets jammed up. At least I think that is what is happening. Like I said, I've never had one lock up.
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"A woman, a dog & and a walnut tree. The more ya beat em, the better they be" (From "The Red Bagde of Courage")

[chucksniper]

it's been awhile since I messed with this decocking deal.....



push the bolt forward till it engages the sear, pull the trigger & push it forward all the way. Now, get off the trigger!!! and see if the bolt will close. Don't try anything more than a light wack with your hand.

[03man]

Don't expect it to work more than 20% of the time.
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03man

[chucksniper]

IT WORKED EVERYTIME