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Rifles, Reloading, Optics, Equipment
Reloading
Advice on bullet seating depth Berger 95 grain hybrid
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<blockquote data-quote="AZShooter" data-source="post: 775822" data-attributes="member: 5219"><p>Hi merbeau.</p><p></p><p>I think everyone wants to help and they all have their versions on what works. You could simplify things. </p><p></p><p>You discovered where the bullet just kisses the rifling. Good to know as a reference.</p><p></p><p>Here is what I suggest for the hybrid:</p><p></p><p> Seat the bullet so it fits and feeds from magazine. Don't worry about the jump to rifling. IME most rifles will shoot just fine with a random seating depth. Make a dummy round with bullet seated that depth for future reference.</p><p></p><p>Load 6 rounds per powder charge incrementally increasing powder charge weight by 1 grain. Load charges up to suggested max from published charges listed on line for hodgdon or Alliant etc. </p><p></p><p>Go to the range and shoot three rounds at every target. Allow your barrel to cool to ambient temp as needed. As you get near the top end loads be aware that you could get some signs of pressure. Hard bolt lift, flattened primers, shiny spot on case head etc. (read up on signs of pressure). If rifle is sound you should find a one charge weight that gives the tightest group. Shoot three more rounds at the tighter targets. Choose the best load and shoot them a few more times on different days with a clean bore to verify you have a good load. At this point you may be done!</p><p></p><p>If necessary you can alter the seating depth of the best load by incrementally seating the bullet deeper in the case in .005" increments. This can be a real PITA if you don't have a competition seating die. </p><p>The problem is duplicating that seating depth later. If you don't remove your comparator from your caliper you can reference those values. Otherwise you will have to make a dummy for each increment to reference later. </p><p></p><p>Many of the hybrid loads I have made never needed a change in seating depth. Have loaded for 11 rifles with hybrids to date and only one required seating depth changes to tighten groups. </p><p></p><p>Good luck and let us know how it goes. Ask questions anytime. </p><p></p><p>Ross</p></blockquote><p></p>
[QUOTE="AZShooter, post: 775822, member: 5219"] Hi merbeau. I think everyone wants to help and they all have their versions on what works. You could simplify things. You discovered where the bullet just kisses the rifling. Good to know as a reference. Here is what I suggest for the hybrid: Seat the bullet so it fits and feeds from magazine. Don't worry about the jump to rifling. IME most rifles will shoot just fine with a random seating depth. Make a dummy round with bullet seated that depth for future reference. Load 6 rounds per powder charge incrementally increasing powder charge weight by 1 grain. Load charges up to suggested max from published charges listed on line for hodgdon or Alliant etc. Go to the range and shoot three rounds at every target. Allow your barrel to cool to ambient temp as needed. As you get near the top end loads be aware that you could get some signs of pressure. Hard bolt lift, flattened primers, shiny spot on case head etc. (read up on signs of pressure). If rifle is sound you should find a one charge weight that gives the tightest group. Shoot three more rounds at the tighter targets. Choose the best load and shoot them a few more times on different days with a clean bore to verify you have a good load. At this point you may be done! If necessary you can alter the seating depth of the best load by incrementally seating the bullet deeper in the case in .005" increments. This can be a real PITA if you don't have a competition seating die. The problem is duplicating that seating depth later. If you don't remove your comparator from your caliper you can reference those values. Otherwise you will have to make a dummy for each increment to reference later. Many of the hybrid loads I have made never needed a change in seating depth. Have loaded for 11 rifles with hybrids to date and only one required seating depth changes to tighten groups. Good luck and let us know how it goes. Ask questions anytime. Ross [/QUOTE]
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Reloading
Advice on bullet seating depth Berger 95 grain hybrid
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