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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Applied Ballistics 'Shoot Thru Target' Challenge
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<blockquote data-quote="Stammster" data-source="post: 1940371" data-attributes="member: 114381"><p>With 11 pages so far, I must start off by disclosing that I didn't read all 11 pages.</p><p></p><p>However, I have a theory based on the shooter and technique, rather than the gun/cartridges/bullet/load/scope, etc ... It's a bit of a stretch for rifle shooting off a rock solid bench, but is more believable as one progresses down the path of different "rests" from sandbags, to freehand, and eventually to freehand pistol.</p><p></p><p>It's all about how the aim to the target is created and when the round is sent. About 30 years ago I had a freehand pistol instructor teach me the hold the sight aim such that the natural movement of the sight picture to the target was such that the barrel of the gun was always perpendicular to the target. If I was covering a target with a fixed circular/figure 8 motion, no matter when I pulled the trigger I would always shoot 1" groups. Now if I moved the target farther out, with the same technique, I would once again shoot 1" groups or just slightly larger. Both front and rear sights moved together, so that the barrel was always perpendicular in the x and y direction. Where the bullet struck was how far away from center I was left, right, above, or below from my pistol bore's center. Follow?</p><p></p><p>Now the other way to shoot is to always try to fix the point of aim to the center of the target, by varying the angle of the gun (i.e. move the front or rear sight, but not maintaining the same perpendicular technique as describe above. In this case a shot 1" left, would be 2" left at twice the distance, etc.</p><p></p><p>Maybe it's shooting technique, and not the bullet in flight...even off a rock steady bench hold. Maybe we're shooting more "offhand" then we think. And those who shoot tighter MOA groups at longer ranges are unknowingly keeping their barrel better aligned with perpendicular than those who aren't.</p><p></p><p>For me, even when I shoot off the bench or sled, I tend to adjust to the target with both hands in order to move the crosshairs to the center of the target, not just the rear of the gun. I typically shoot smaller MOA groups at 200 vs 100, and until Bryan posed the question, I never really gave any thought as to why.</p><p></p><p>Of course, this theory could be completely off base.</p><p></p><p>Try it with a hand laser pointer. One by aiming at the target and trying to maintain center with uncontrolled (I.e. 3 degrees of movement). Now try it with 2 degrees of movement (no tilt left or right / up and down).</p><p></p><p>Crap...after typing all that and editing, I just reviewed 3 posts up and realized this thread was redirected from the dead.</p></blockquote><p></p>
[QUOTE="Stammster, post: 1940371, member: 114381"] With 11 pages so far, I must start off by disclosing that I didn’t read all 11 pages. However, I have a theory based on the shooter and technique, rather than the gun/cartridges/bullet/load/scope, etc ... It’s a bit of a stretch for rifle shooting off a rock solid bench, but is more believable as one progresses down the path of different “rests” from sandbags, to freehand, and eventually to freehand pistol. It’s all about how the aim to the target is created and when the round is sent. About 30 years ago I had a freehand pistol instructor teach me the hold the sight aim such that the natural movement of the sight picture to the target was such that the barrel of the gun was always perpendicular to the target. If I was covering a target with a fixed circular/figure 8 motion, no matter when I pulled the trigger I would always shoot 1” groups. Now if I moved the target farther out, with the same technique, I would once again shoot 1” groups or just slightly larger. Both front and rear sights moved together, so that the barrel was always perpendicular in the x and y direction. Where the bullet struck was how far away from center I was left, right, above, or below from my pistol bore’s center. Follow? Now the other way to shoot is to always try to fix the point of aim to the center of the target, by varying the angle of the gun (i.e. move the front or rear sight, but not maintaining the same perpendicular technique as describe above. In this case a shot 1” left, would be 2” left at twice the distance, etc. Maybe it’s shooting technique, and not the bullet in flight...even off a rock steady bench hold. Maybe we’re shooting more “offhand” then we think. And those who shoot tighter MOA groups at longer ranges are unknowingly keeping their barrel better aligned with perpendicular than those who aren’t. For me, even when I shoot off the bench or sled, I tend to adjust to the target with both hands in order to move the crosshairs to the center of the target, not just the rear of the gun. I typically shoot smaller MOA groups at 200 vs 100, and until Bryan posed the question, I never really gave any thought as to why. Of course, this theory could be completely off base. Try it with a hand laser pointer. One by aiming at the target and trying to maintain center with uncontrolled (I.e. 3 degrees of movement). Now try it with 2 degrees of movement (no tilt left or right / up and down). Crap...after typing all that and editing, I just reviewed 3 posts up and realized this thread was redirected from the dead. [/QUOTE]
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Applied Ballistics 'Shoot Thru Target' Challenge
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