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Rifles, Reloading, Optics, Equipment
Gunsmithing
sticky bolt regardless of what happens.
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<blockquote data-quote="86bowhunter" data-source="post: 994763" data-attributes="member: 84122"><p>So here's the deal. </p><p></p><p>I bought a 338 LM off a guy that was built off a surgeon action with a broughton barrel and manners stock. In a nutshell the guy got in a bind for money sold it for a price too good to pass up. </p><p></p><p>After 300rds of test loads I didn't get the results anywhere near what they should be. The chamber had an ungodly long throat so rather than put a new barrel on I op-ed to have the chamber re-cut. </p><p></p><p>Got the chamber cut by a guy that has always done good work. Did everything as usual and first rattle out the box I have problems. An excessively sticky bolt. </p><p></p><p>Loaded round - sticky before it closes and have to beat it open. (without being fired)</p><p>After being fired - have to beat it open to get the fired case out. </p><p>An empty fired case on this chamber - sticky before closing and beat it open to get it out. </p><p></p><p></p><p>Starting to get the idea? </p><p></p><p>First thought was high pressure but I dropped the charge significantly and still the same result. </p><p>Zero high pressure, chamber is clean, no visible flaws. The fired cases are within spec (ie no unusual or excessive expansion) </p><p></p><p>Only thing I have left to check is the head spacing but need to get a gauge first. </p><p></p><p></p><p>Anyone ever have a similar problem or thoughts on what else might cause this?</p></blockquote><p></p>
[QUOTE="86bowhunter, post: 994763, member: 84122"] So here's the deal. I bought a 338 LM off a guy that was built off a surgeon action with a broughton barrel and manners stock. In a nutshell the guy got in a bind for money sold it for a price too good to pass up. After 300rds of test loads I didn't get the results anywhere near what they should be. The chamber had an ungodly long throat so rather than put a new barrel on I op-ed to have the chamber re-cut. Got the chamber cut by a guy that has always done good work. Did everything as usual and first rattle out the box I have problems. An excessively sticky bolt. Loaded round - sticky before it closes and have to beat it open. (without being fired) After being fired - have to beat it open to get the fired case out. An empty fired case on this chamber - sticky before closing and beat it open to get it out. Starting to get the idea? First thought was high pressure but I dropped the charge significantly and still the same result. Zero high pressure, chamber is clean, no visible flaws. The fired cases are within spec (ie no unusual or excessive expansion) Only thing I have left to check is the head spacing but need to get a gauge first. Anyone ever have a similar problem or thoughts on what else might cause this? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
sticky bolt regardless of what happens.
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