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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Have any of you seen "magic" like this?
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<blockquote data-quote="BryanLitz" data-source="post: 251169" data-attributes="member: 7848"><p>Micheal,</p><p>I don't take your posts as argumentative at all. I know you're a knowledgeable shooter yourself and take your (and others) observations seriously. I'm here to learn just like everyone else.</p><p>Can you tell me about the particular barrel; was is a thick heavy bull barrel or a thin sporter barrel?</p><p></p><p>I'll tell you the one I'd really like to get to the bottom of is the phenomena where rifles group smaller in MOA at longer range than short. I've never directly observed this myself, however I did have a 7mm Rem Mag Sendero that 'seemed' to group ~0.75" at 100 yards and ~1.00" at 200, but of course the only way to know for sure if the groups actually 'converges' is to shoot thru two targets at once. There's just too much anecdotal evidence on this one to ignore it and I can't figure it out. My current hypothesis is parallax. Scopes that are properly adjusted for parallax at 200 yards will have some aiming error at 100 yards if they're not properly adjusted. I can't find anything physical to explain how a group of shots would converge in from all sides as range increases.</p><p></p><p>There are some unexplained things that happen, but rather than conclude that something unnatural is actually happening, I choose to accept that I simply don't know enough yet to explain everything and keep an open mind in search of the answers.</p><p></p><p>Take care,</p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 251169, member: 7848"] Micheal, I don't take your posts as argumentative at all. I know you're a knowledgeable shooter yourself and take your (and others) observations seriously. I'm here to learn just like everyone else. Can you tell me about the particular barrel; was is a thick heavy bull barrel or a thin sporter barrel? I'll tell you the one I'd really like to get to the bottom of is the phenomena where rifles group smaller in MOA at longer range than short. I've never directly observed this myself, however I did have a 7mm Rem Mag Sendero that 'seemed' to group ~0.75" at 100 yards and ~1.00" at 200, but of course the only way to know for sure if the groups actually 'converges' is to shoot thru two targets at once. There's just too much anecdotal evidence on this one to ignore it and I can't figure it out. My current hypothesis is parallax. Scopes that are properly adjusted for parallax at 200 yards will have some aiming error at 100 yards if they're not properly adjusted. I can't find anything physical to explain how a group of shots would converge in from all sides as range increases. There are some unexplained things that happen, but rather than conclude that something unnatural is actually happening, I choose to accept that I simply don't know enough yet to explain everything and keep an open mind in search of the answers. Take care, -Bryan [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Have any of you seen "magic" like this?
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