DUGABOY1
(.400 member)
24/06/06 08:44 AM
Re: are express rifles accurate?

In reply to:

It would make life a little simpler for the regulator if he sets the barrels to shoot to the same point.





It might make life easier for you, because you don't have to finish the load developement, before you gat something you will accept! The whole idea of REGULATING the barrels is so they will shoot side by side, with a given load.

Folks keep confusing regulating with proper loading to shoot to the regulation. These are two intirely different things! The muzzle jump, and yaw is the same no matter what range you are shooting, with the same load! If you are loading your rifle to shoot one hole at any distance, it is not loaded properly!

The regulator has one advantage on you, he has a known load to regulate the barrels for. he knows that load is safe in his barrels, and by an educated guess, he solders them at a close starting point. He regulates by soldering shooting, soldering, and shooting till the barrels are shooting paralell to each other, but close enough that they form a composit group on the target . Distance is not a matter he is concerned with at this point. The barrel regulator is only interested that the barrels shoot to the same elevation as each other, and the spread beteen the individule barrel groups is no more that the distance between the center of the bores, apart, and that they form a tight composit group of both barrels. The rifle is completely regulated before the rifle is given to the sight filer. Because these barrels shoot side by side, the flip up sights can be made for several different distances, and only elevation is involved, for the sight filer!

You, on the other hand, can make up a load that will shoot to ONE HOLE at the distance "YOU" want,no matter how the barrels were regulated,or the sights filed, but that load will not shoot to the other sights, on the rib. If you are shooting one hole, at any distance, the bullets are crossing paths, and your load is slightly fast,and probably shooting a little low to the sights, but just slightly! This load is easy to fix, and it should be fixed, because it is not right!

If you back off very slightly till the barrels shoot slightly apart, but close enough to make an acceptable composit group, you will find the center of that composit group will match the elevation, at the distances filed into all the sights as well! Of course if you are sattisfied with a load that crosses, it's your rifle, do your thing, but just because you will accept it, doesn't make it a correct load!



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