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Long Range Hunting & Shooting
Neck sizing and case getting harder to pull out?
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<blockquote data-quote="ronedog" data-source="post: 1509364" data-attributes="member: 21087"><p>Hey guys, thanks for the replies...the hunt ended and I had to get back to work, so sorry I didn't respond sooner. Let me see if I can answer a few questions and update you on what I've done.</p><p></p><p>I purchased the hornady headspace comparator and the Anvil to make my readings more precise. I cleaned my gun...after I cleaned my gun the bullets chambered better...so I shot more of the same loads that were getting harder to pull out after a shot...and viola...they extracted easier...I think the initial problem may have been dust from the hunt in the chamber. </p><p></p><p>But now that I have the headspace comparator, it has lead me down another rabbit hole, I don't understand why my brass isn't being bumped back.</p><p></p><p>I've decided I like the idea of getting all the brass to read the same headspace length using the comparator tool. </p><p></p><p>my fired brass has a headspace reading of 1.742 (3 pieces of brass), 1.741 (5 pieces of brass), 1.743 (2 pieces of brass).</p><p></p><p>So taking some advice in this thread I thought I'd bump the shoulders back .002</p><p></p><p>I set up my FL Die and screwed it down until it touched the shell plate. Then screwed it down another 1/4 turn...ran the shell through the die and checked the headspace measurement and now shell grew in length to 1.744...now I'm scratching my head. The shell got longer??? So, I screwed in the die another 1/4 turn...ran the same shell through...came out the same? So I turned the die another 1/4 turn...now I know the die was being pushed down further because I checked that too..ran another shell and got same 1.744. Am I missing something? how does a fired case grow from 1.741 to 1.744 after going through my die that I thought was pushing the shoulders down to make the brass headspace shorter? When I pull the shell out from the die it sticks a bit and I have to push the lever harder than I do when I neck size. Logically, I thought when I pull out the shell its stuck to the mandrel and is stretching on its way out...so I lubed up the case mouth with more lube (I had lube all around the inside mouth)...tried 3 different pieces of brass...all 3 of them stretched out when I used the comparator (I measured all of them before and after). I was assuming I could push the shoulders back to get a headspace reading of 1.738?</p><p></p><p>My equipment is:</p><p>Lee Press</p><p>Lee FL Die</p><p>Lee Hand Turned Trimmer</p><p></p><p>The process I've been following is as follows:</p><p>1. Brass into tumbler</p><p>2. Anneal, 2 to 3 seconds over torch, then put in water</p><p>3. Lube case</p><p>4. Run case into FL die (I used to be doing neck sizing, but for this test I full length sized hoping to bump back shoulders)</p><p>5. Clean primer pocket</p><p>6. Trim Brass using Lee Trimmer (hand tool)</p><p>7. Chamfer case mouth inside and out.</p><p>8. seat bullet.</p><p></p><p>Any guidance is appreciated...thanks guys!</p></blockquote><p></p>
[QUOTE="ronedog, post: 1509364, member: 21087"] Hey guys, thanks for the replies...the hunt ended and I had to get back to work, so sorry I didn't respond sooner. Let me see if I can answer a few questions and update you on what I've done. I purchased the hornady headspace comparator and the Anvil to make my readings more precise. I cleaned my gun...after I cleaned my gun the bullets chambered better...so I shot more of the same loads that were getting harder to pull out after a shot...and viola...they extracted easier...I think the initial problem may have been dust from the hunt in the chamber. But now that I have the headspace comparator, it has lead me down another rabbit hole, I don't understand why my brass isn't being bumped back. I've decided I like the idea of getting all the brass to read the same headspace length using the comparator tool. my fired brass has a headspace reading of 1.742 (3 pieces of brass), 1.741 (5 pieces of brass), 1.743 (2 pieces of brass). So taking some advice in this thread I thought I'd bump the shoulders back .002 I set up my FL Die and screwed it down until it touched the shell plate. Then screwed it down another 1/4 turn...ran the shell through the die and checked the headspace measurement and now shell grew in length to 1.744...now I'm scratching my head. The shell got longer??? So, I screwed in the die another 1/4 turn...ran the same shell through...came out the same? So I turned the die another 1/4 turn...now I know the die was being pushed down further because I checked that too..ran another shell and got same 1.744. Am I missing something? how does a fired case grow from 1.741 to 1.744 after going through my die that I thought was pushing the shoulders down to make the brass headspace shorter? When I pull the shell out from the die it sticks a bit and I have to push the lever harder than I do when I neck size. Logically, I thought when I pull out the shell its stuck to the mandrel and is stretching on its way out...so I lubed up the case mouth with more lube (I had lube all around the inside mouth)...tried 3 different pieces of brass...all 3 of them stretched out when I used the comparator (I measured all of them before and after). I was assuming I could push the shoulders back to get a headspace reading of 1.738? My equipment is: Lee Press Lee FL Die Lee Hand Turned Trimmer The process I've been following is as follows: 1. Brass into tumbler 2. Anneal, 2 to 3 seconds over torch, then put in water 3. Lube case 4. Run case into FL die (I used to be doing neck sizing, but for this test I full length sized hoping to bump back shoulders) 5. Clean primer pocket 6. Trim Brass using Lee Trimmer (hand tool) 7. Chamfer case mouth inside and out. 8. seat bullet. Any guidance is appreciated...thanks guys! [/QUOTE]
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Neck sizing and case getting harder to pull out?
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