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Long Range Hunting & Shooting
HELP!! Ruger 77, 7mm Remington Mag
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<blockquote data-quote="bblaine2k" data-source="post: 6970" data-attributes="member: 1440"><p>deadeye2,</p><p></p><p>Check your brass a little more closely, that's a good cause of flyers. Problems include:</p><p></p><p>1.) Not squaring your resizing die. When you full length resize, you need to place a perfectly flat washer between the shellholder and the sizing die. Raise the ram up to the die then screw the locking ring down on the press. This takes the slop out of the threads of the die which can ever so slightly curve your brass just enough to cause flyers.</p><p></p><p>2.) Are you deburring the flash hole? The little hole that the primer sends a flame through is often punched through with a pin, leaving a burr on the inside of the case which can alter the way the flame is thrown into the powder in turn causing flyers. Simply get a de-burr tool to remove the burrs. </p><p></p><p>3.) Brass is inherently different from one piece to the next. We reloaders get brass from the factory that produces the brass from SEVERAL machines. Each has ever so slightly different tolerances. By weighing and matching up the brass into lots you can keep the brass closer to one another in consistency - same goes for bullets and primers</p><p></p><p>Hope this gives you something to think about and helps solve the problem. Best of luck!</p><p></p><p>Good shooting!</p></blockquote><p></p>
[QUOTE="bblaine2k, post: 6970, member: 1440"] deadeye2, Check your brass a little more closely, that's a good cause of flyers. Problems include: 1.) Not squaring your resizing die. When you full length resize, you need to place a perfectly flat washer between the shellholder and the sizing die. Raise the ram up to the die then screw the locking ring down on the press. This takes the slop out of the threads of the die which can ever so slightly curve your brass just enough to cause flyers. 2.) Are you deburring the flash hole? The little hole that the primer sends a flame through is often punched through with a pin, leaving a burr on the inside of the case which can alter the way the flame is thrown into the powder in turn causing flyers. Simply get a de-burr tool to remove the burrs. 3.) Brass is inherently different from one piece to the next. We reloaders get brass from the factory that produces the brass from SEVERAL machines. Each has ever so slightly different tolerances. By weighing and matching up the brass into lots you can keep the brass closer to one another in consistency - same goes for bullets and primers Hope this gives you something to think about and helps solve the problem. Best of luck! Good shooting! [/QUOTE]
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HELP!! Ruger 77, 7mm Remington Mag
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