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Rifles, Reloading, Optics, Equipment
Reloading
Criterion 300WM Neck Clearance
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<blockquote data-quote="brant89" data-source="post: 1999237" data-attributes="member: 49553"><p>I have a Criterion 300WM SS Match barrel that I've had for a couple years and have gotten decent accuracy out of it but nothing to write home about. I recently had a piece of brass with a small nick in the case mouth (I messed it up during loading) that wasn't bad enough to scrap but I knew would hurt my accuracy. However, to my surprise it wouldn't even chamber which got me to questioning my neck clearance. My loaded case necks are measuring .335-.336 and my fired case necks are measuring .337-.338. I understand that there will be some spring back, but this seems pretty tight to me. At this point I'm wondering if this could be a contributing part of my accuracy issue. Norma brass, FL sized just enough to chamber, 4 firings, zero case growth up to this point (about .001 per firing). I ordered a 30 cal neck turning pilot today but I'm wondering if I should just skim them (can't hurt) or actually remove a couple thou. Thoughts?</p></blockquote><p></p>
[QUOTE="brant89, post: 1999237, member: 49553"] I have a Criterion 300WM SS Match barrel that I’ve had for a couple years and have gotten decent accuracy out of it but nothing to write home about. I recently had a piece of brass with a small nick in the case mouth (I messed it up during loading) that wasn’t bad enough to scrap but I knew would hurt my accuracy. However, to my surprise it wouldn’t even chamber which got me to questioning my neck clearance. My loaded case necks are measuring .335-.336 and my fired case necks are measuring .337-.338. I understand that there will be some spring back, but this seems pretty tight to me. At this point I’m wondering if this could be a contributing part of my accuracy issue. Norma brass, FL sized just enough to chamber, 4 firings, zero case growth up to this point (about .001 per firing). I ordered a 30 cal neck turning pilot today but I’m wondering if I should just skim them (can’t hurt) or actually remove a couple thou. Thoughts? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Criterion 300WM Neck Clearance
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