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If the base is not integral, you can either pin it to the action, or glue it, or both. Having disposed of that movement, rings can be pinned to bases. Back when Stiller's Viper was new, the rings he furnished had a single base clamping screw and until he redesigned them to have two, there were...

Did you measure the cocked weight, as assembled on your firing pin? I did not get any calculations from Tubb with mine. Could you scan and post them?

I checked the cocked weight on my Viper, and it was about 25# with a good solid whack when dry fired. As far as I can tell there is absolutely no lack of energy. The ends don't have to slide on each other because they are wound in opposite directions. As they compress, their respective...

https://www.youtube.com/watch?v=YNcqOIee_pE

To increase fall, move the trigger back.

If the arrangement is like a Remington, with the action cocked, use the bottom of the calipers like a depth mic. to measure how far out of the shroud the back of the cocking piece is, and then after pulling the trigger measure how far down into the shroud the back of the cocking piece is. By...

A couple of decades back, when I was lucky enough to have a long and informative phone conversation with George Kelbly, we discussed pillar bedding, and he told me that way back when it was first used they discovered that accuracy was better if there was at least a thin layer of bedding over the...

I am sorry to hear of Bob's passing, and will really miss our visits. From time to time he would call, or I would, and catch up on what we had been up to. He was a really fine fellow, and I am sure that many will miss him. There is no counting the work that he did at the Sacramento range. I have...

When a cartridge is fired, do you think that the firing pin reaches its full extension from the bolt face? Perhaps the issue is how far back the shape extends before it reaches the maximum diameter. Just a thought...

I have an old VXIII 4.5x14 40mm AO 1" tube that sits on my .222. It does not have target turrets and has a fine duplex reticle. I like it a lot. I know that it is not in style, but for the distances that I shoot at with the rifle, usually no more than 300 yards, it is a perfect match. I simply...

The The NBRSA and for that matter the IBS rules regarding stock design are both different for long and short range. For the bag gun classes in short range the contact must be across the entire bottom of the forend, but for long range, there is no width or contact across the bottom requirement...

Yes it is.

Al, About a decade ago, a friend made me a couple of copies of the Dwight Scott prototype tuners, and I have played with one of them on a PPC barrel. Recently I have gone over some of those notes. I had started out with the threaded rod at 6:00 O'clock and after fiddling with how far out the rod...

Al, All of the short range guys that I know seat their primers by feel, NOT by depth. All in all, looking at the record books, I would say that their method works pretty well. I never want the squeeze handle on my tools to touch the body of the tool with the primer seated. The only time that I...

I am not aware of any rule regarding the slope of a forend. My 6PPC has a slope in that area.

I don't know if you have any weight to spare, but if you do, you might consider adding it to the butt. You could have a balance issue. Years back, a friend was trying to shoot a custom varmint rifle with very light contact. He added weight to the butt of his McMillan stock and it helped a lot...

Rereading this thread, I see a lot of opinions and damn little experience. I have watched my friend cast laps and measure them several times, I have also seen the results of mismatched bullet and barrel dimensions by comparing targets shot before and after remedial lapping. Just to be clear, I...

Does it look just like LT 32?

I believe that the current 2015 is made in Canada, in the same plant that makes the LT powders, and has been used as a way to market lots of LT 32 that do not meet its narrow burn rate specification (because they were slightly too slow). This version was introduced a couple of years before...

This is what I did. Taking James' direction as to where he had posted the picture, I opened it, copied it, and pasted it onto my computer's desktop, then I started a post and scrolled down to manage attachments, and uploaded it to my post. I am familiar with third party image and video hosting...