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Rifles, Reloading, Optics, Equipment
Reloading
6.5 gas gun fine tuning
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<blockquote data-quote="WildRose" data-source="post: 2444852" data-attributes="member: 30902"><p>I started paying attention to neck tension probably 5-7 years back after some discussions here.</p><p></p><p>I started with just one Rifle, my Remington .260 which was already shooting extremely well.</p><p></p><p>What I settled on was using bushing dies that gave me only enough tension so that I could barely seat a bullet by hand.</p><p></p><p>I then started appalling a light crimp. I set it visually, watching to see just when the collet closes and apply a little more pressure rather than a full stroke to give the strong, positive crimp that is applied to military ammo.</p><p></p><p>My ES immediately dropped into single digits.</p><p></p><p>I then started the same process with each of my others in turn using the exact same loads I'd been getting sub MOA accuracy with. Across the board, ES and groups both tightened up.</p><p></p><p>Mind you these were all loads that I had already spent a lot of time tuning for accuracy and ES and across the board they all improved.</p><p></p><p>I could probably set up a separate press for crimping with some sort of meter to to get the pressure exactly the same on each round but what I'm doing already works exceptionally well so I have yet to find a need to do so.</p></blockquote><p></p>
[QUOTE="WildRose, post: 2444852, member: 30902"] I started paying attention to neck tension probably 5-7 years back after some discussions here. I started with just one Rifle, my Remington .260 which was already shooting extremely well. What I settled on was using bushing dies that gave me only enough tension so that I could barely seat a bullet by hand. I then started appalling a light crimp. I set it visually, watching to see just when the collet closes and apply a little more pressure rather than a full stroke to give the strong, positive crimp that is applied to military ammo. My ES immediately dropped into single digits. I then started the same process with each of my others in turn using the exact same loads I'd been getting sub MOA accuracy with. Across the board, ES and groups both tightened up. Mind you these were all loads that I had already spent a lot of time tuning for accuracy and ES and across the board they all improved. I could probably set up a separate press for crimping with some sort of meter to to get the pressure exactly the same on each round but what I'm doing already works exceptionally well so I have yet to find a need to do so. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
6.5 gas gun fine tuning
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