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I disagree, and let me tell you why. Some time back Jim Borden told me of a time when he went to a major match, (national or Super Shoot I forget) preloaded. Over a period of several weeks he loaded up batches of ammo until he had the total that he would be taking. All of the loading was done...

I get a little over .0035" but this is a calculation that is new to me. Looking up the coefficient of thermal expansion of 416 steel, in the range of 0 to 100 degrees Celsius it is 9.9 microns per meter per degree Celsius. The difference in temperatures in Celsius works out to 16.6 degrees, a...

I can think of one top shooter who tends to shoot a lot of sighters and may wait until very late in a match to shoot his record group. I always assumed that the sighters were shot to learn what the result of variations in the wind did to bullet impact, and that may be true, but what if there is...

Tim, He asked how to do something and I told him. We both answered on the Internet, so I guess that both of our posts are internet answers. For many of us, curiosity is enough of a reason. Certainly none of us need permission for that.

Yes, if you are going to really split hairs you do not want to have any parallax. On a semi-related matter I have figured out what sort of auxiliary lens it takes to make a scope parallax free with a sharp image at a distance of about 12.5'.

I have a wood (overlaid with masking tape) V block setup that is designed to mount on a camera tripod. After adjusting the tripod and mounting the tool I place the scope in the Vs and adjust the windage and elevation turrets until the intersection of the cross hairs does not move relative to...

I will mention a couple of things that relate to this thread but only to what it has evolved into. My early Viper's insert was thread milled, which gives it a different surface finish in the threads. It seems to me that a that two very smooth finishes have the greatest tendency to gall. I have...

Last time I checked it was a separate registration.

These days some of the force on one piece bases is dealt with with dowel pins used in conjunction with no. 8 screws. Speedy once told me that for blued actions that the area where the bases would contact the receiver need to be masked off and and the bluing removed so that the JB or some other...

If you go back to the first post you will see that he wants to buy a used rifle and that he had not found many LH rifles for sale. It was not a question of what action to use for a new rifle. I shoot both configurations (LBRP and RBRP) and switch between them with no problems.

Al, For a scope checker to work the scopes only have to have a constant geometry to each other. If the base moved, as long as things did not fall off of the rifle it would not matter, because the shots are not going on a target, the rifle is only used to furnish recoil. As far as using some...

Al, Are the big recoiling rifles to be used for game or target? Will they have muzzle brakes? The reason that I ask is that the magnitude of movement that is usually seen may not matter much for any hunting application. Finally, why would you need two huge scopes, one would be your frozen test...

No, actually it is not....for me. People vary quite a bit in how good they are with their non dominant hand. I have absolutely no problem shooting left handed. My short range benchrest rifle is a left bolt right port. I have shot untold numbers of groups using right bolt right port rifles. I...

I am right handed and left eyed and shoot all of my rifles from my left shoulder. I have lots of experience shooting from the bench with all sorts of bolt and port combinations. Shooting a right bolt, right port action is one of my favorites. Just be sure to wear eye protection all the time. I...

Al, Unlike barrel to action thread joints, Jackie's tuner secures like a split clamp locking ring. Opposite the split and clamping screw there appears to be a weakening cut that acts like a hinge. This is entirely different from what Vaughn wrote about barrel to action joints.

I tried calling. The first time my message did not get a return call and the second time I was disconnected before I could leave a message. Anybody know anything? Is Mike Ratigan still a dealer? If he is I need a current number.

First of all you have your words reversed. It is DA not AD. I mention this so that it will be easier for you to find information on the subject. Secondly, there is a huge amount of information about DA online, primarily because of its importance to aviation. If you find a source that explains it...

On the pin fall thing, with small rifle primers and an .062 nominal firing pin diameter, I never had any ignition problems with .200 fall and changed that based on the manufacturer's recommendation to .220 by flipping the trigger hanger. (Viper action) Still no problems. MY life is way too dull...

The firing pin is not stopped by the cocking piece, but rather the dry fire shoulder near the front of the pin, the front side of the flange that the striker spring rests against the back of. Also the shroud does not stop anything, it merely guides. If the firing pin was incorrectly modified so...

I decided to go ahead and fix them. The pair had an .018 difference in height, which sounds like a lot until you do a little math and find out that with them spread to an outside to outside measurement of 5.9" (maximum on my Viper) that the resultant angle only amounts to .002 across the width...