Category Archives: Ballistics

ENERGY IS ONLY PART OF THE STORY

Many years ago I had a .22RF Martini action rifle converted to centrefire and rebarreled to .32-20 (more on this to come in another post).  In short, the reason for the build was to create a small game rifle shooting … Continue reading

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CALCULATING AND MAKING SIGHT CORRECTIONS.

When using iron sights making corrections for either windage (left and right) or elevation (up and down) is not always a straight forward affair.  When drifting a front sight blade how far do we move it in which direction for … Continue reading

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CHAMBER PRESSURE COMPARISONS

I recently purchased a bolt-action rifle chambered in .243 Winchester. Knowing that .308 Winchester brass could be die formed to 243, I bypassed buying any brass as I have plenty of 308 brass on hand. While studying my various manuals … Continue reading

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ESTABLISHING KILL RANGE AND DOUBLE ZERO

ESTABLISHING DOUBLE ZERO If the scope on a rifle is zeroed at a range relatively close compared to the weight and velocity of the bullet, the bullet will strike high of the aim point beyond the zero range and then … Continue reading

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