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leadslinger
PostPosted: Thu Nov 19, 2020 10:09 am 
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sillymike wrote:
leadslinger wrote:

But with the longer barrel, does it really?

Because modern Olympic 22's or bench rest barrels might only be 25" and use a sleeve to extend the sights. So is that 8.5" of drag actually helping?


New modern match rifles are designed around new-modern-match ammunition, that use smokeless powder.
- I'm pretty sure you rolling black was designed when 22lr ammunition was manufactured using black-powder... which as a much slower burn rate than smokeless. Hence the need for the much longer barrel.

Any stamping on the barrel?


No make or model. Only markings are on the left side of the receiver with some patents years, and 4 digit number on the bottom Tang. Nothing on the barrel, I even took the forearm off to check.

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sillymike
PostPosted: Thu Nov 19, 2020 10:56 am 
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Hard to tell, but the barrel could have gotten set back earlier in its life.
- I know earlier on, something like powdered glass was in the primer compound and would cause throat erosion...
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Daryl
PostPosted: Thu Nov 19, 2020 4:28 pm 
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leadslinger wrote:

Well the barrel on mine is excellent. But accuracy will be hard, due to the extremely heavy trigger. I say it over 15#, maybe the new block and sear spring that coming, will bring it down? Since it suppose to be a reproduction spring.


Triggers, of course are very important. The return (sear) spring pressure adds to the trigger pull weight, of course.
Seems to me IIRC, rolling block triggers are not that hard to work on. Angles are of paramount importance.

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leadslinger
PostPosted: Thu Nov 19, 2020 5:16 pm 
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Daryl wrote:
leadslinger wrote:

Well the barrel on mine is excellent. But accuracy will be hard, due to the extremely heavy trigger. I say it over 15#, maybe the new block and sear spring that coming, will bring it down? Since it suppose to be a reproduction spring.


Triggers, of course are very important. The return (sear) spring pressure adds to the trigger pull weight, of course.
Seems to me IIRC, rolling block triggers are not that hard to work on. Angles are of paramount importance.


Yeah very basic. Mines in pieces ATM waiting on a spring. I mean I could fire it, just no tension on the breech block. It's only 22, not like it will auto eject.

I know some people with the No 4 RRB shim the sear spring ( ones that use screws to secure it ) But with this combination V spring on the No 2, you cannot. But I was talking to Ken from rollingblockparts. He said the newer springs are more softer than the originals.

So hoping the new spring and smoothing and polishing up the contact points, make it a bit better. I'll mainly just shoot steel with this gun.

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