Tools from the Former USSR

[Phosphorus32]

I have seen on occasion the Chinese front sight tool that is similar, but only once the Russian kit....that thing is gorgeous. I don't recall the price tag, but I do know it was enough that I didn't even consider it.

I am also curious about the other tools in there and their purpose...I don't recall seeing those in the kit I had seen previously, just the headspace gauges and the sight tool.

That's cool. I've never seen a military Chinese tool.

This kit wasn't exactly cheap, but I'm glad to have it. I think I've covered the other tools in my response to FC that I was working on while you posted.

[auskip07]

really neat stuff!   thanks for sharing   

[Justin Hell]

I have seen on occasion the Chinese front sight tool that is similar, but only once the Russian kit....that thing is gorgeous. I don't recall the price tag, but I do know it was enough that I didn't even consider it.

I am also curious about the other tools in there and their purpose...I don't recall seeing those in the kit I had seen previously, just the headspace gauges and the sight tool.

The main difference in the sight tool, is that yours looks like it belongs in a doctor's office whereas the Chinese looks like you would expect it. 
If I understood your description of the other tools, would that be something useful for headspacing a new bolt?  If so, if you could explain it's use a tad, and give some measurements, it might be handy for someone like me....

That's cool. I've never seen a military Chinese tool.

This kit wasn't exactly cheap, but I'm glad to have it. I think I've covered the other tools in my response to FC that I was working on while you posted.

[Phosphorus32]

Hey Justin,

Yeah, the three headspace gauges are useful for checking a new bolt.

--The bolt should close on the Go gauge (32.85 mm), if it doesn't, headspace is too tight, i.e., there is insufficient headspace; not enough room to accommodate the cartridge in the chamber and allow the bolt to fully close.
--For factory new specifications, the bolt should not close on the No-Go gauge (32.95mm), but for a used firearm, I wouldn't worry about it, as long as it doesn't close on the Field gauge.
--The bolt should definitely not close on the Field gauge (33.15mm). If it does close, there is too much headspace and the case head  may not be supported well enough to avoid rupturing and dispensing gasses rearward.


Headspace Gauges: CIP specifications for distance to the neck is 33.00mm. The three gauges are marked 32.85, 32.95 and 33.15mm

[firstchoice]

I've checked headspace on some surplus bolt action guns, but never on a semi-auto. Using the headspace tools, is it like an assisted slow push forward with the tool already mounted on the bolt face with extractor claw already engaged? Since I've yet to do it I thought I'd ask the folks that have done it.

firstchoice

[Bubbazinetti]

I've done it on every AR-15 that I've ever assembled and it's great at catching things before a disaster results.I received an upper from a nationally very well known supplier that the headspace was completely out to lunch.Had it rma'd under warranty and they next day aired me a new one that was perfect.I then continued assembly and test firing without issues.Most will tell you it doesn't need to get done,and 99% of the time they're right until it happens to you.Then you do it every time,the right way and not assume it was done correctly by a lazy armorer on a late friday afternoon.

[Justin Hell]

Thanks for the measurements P32

For anyone interested, here is another sight tool, minus the box.

https://www.ebay.com/itm/Original-Soviet-Original-SKS-sight-adjustment-tool/164377115575?hash=item2645a3bbb7:g:e~kAAOSwVGtdY9FG