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Rifles, Reloading, Optics, Equipment
Reloading
120gr HH’s and Varget- tweak or move on?
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<blockquote data-quote="Veteran" data-source="post: 2308673" data-attributes="member: 118038"><p>Have you checked to make sure no loose screws on stock? Scope not loose? After that I would play with coal. </p><p>It will usually give more result than fine tuning with powders as it is a more coarse adjustment to figure out what the rifle system, </p><p>chamber likes. Its basically all harmonics. Work on the mechanical and physical part of the rifle system first, then the powders. Changing powders or tuning with different charges is fine tuning compared to bullet seating in my experience. Bullet seating usually makes a bigger difference than charge weights or different powders. It's a more coarse adjustment.</p><p></p><p>I haven't used hammers yet, bought em but not loaded em yet, but I can't see why they would not respond to seating depth changes like other bullets. If you read Chris Long's work on barrel timing for the bullet, and harmonics, its all related to the amount of time the bullet stays in the barrel (milliseconds). Seating it so it exits at just the right part of the Sin wave in the harmonics where the muzzle </p><p>end is quiet gives you the best accuracy, repetition, and groups. I'd try to home in on that with one powder, whether its Varget or H4350 before going to another powder. </p><p></p><p>Also, if this is not a rifle you use much or your kids use, do you know if its been cleaned lately? Maybe its fouled some with either carbon or copper or both and it hasn't been used much lately, just been stored away? Good luck, like you I have heard hammers shoot well in just about anything, so I understand your surprise that it isn't working this time.</p></blockquote><p></p>
[QUOTE="Veteran, post: 2308673, member: 118038"] Have you checked to make sure no loose screws on stock? Scope not loose? After that I would play with coal. It will usually give more result than fine tuning with powders as it is a more coarse adjustment to figure out what the rifle system, chamber likes. Its basically all harmonics. Work on the mechanical and physical part of the rifle system first, then the powders. Changing powders or tuning with different charges is fine tuning compared to bullet seating in my experience. Bullet seating usually makes a bigger difference than charge weights or different powders. It's a more coarse adjustment. I haven't used hammers yet, bought em but not loaded em yet, but I can't see why they would not respond to seating depth changes like other bullets. If you read Chris Long's work on barrel timing for the bullet, and harmonics, its all related to the amount of time the bullet stays in the barrel (milliseconds). Seating it so it exits at just the right part of the Sin wave in the harmonics where the muzzle end is quiet gives you the best accuracy, repetition, and groups. I'd try to home in on that with one powder, whether its Varget or H4350 before going to another powder. Also, if this is not a rifle you use much or your kids use, do you know if its been cleaned lately? Maybe its fouled some with either carbon or copper or both and it hasn't been used much lately, just been stored away? Good luck, like you I have heard hammers shoot well in just about anything, so I understand your surprise that it isn't working this time. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
120gr HH’s and Varget- tweak or move on?
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