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Rifles, Reloading, Optics, Equipment
Reloading
Brass Separation Above Belt
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<blockquote data-quote="LoneTraveler" data-source="post: 1383946" data-attributes="member: 77249"><p>A question curtiscd. What type of action does the problem rifle have??? If the action happens to be a Shultz and Larsen, ITS THE NATURE OF THE BEAST. The S&L action has its locking lugs in the back of the action, and on the back of the bolt. Under firing pressure the action stretched and the bolt sort of compressed ever so little but enough. At about 3 reloads the 7mm Sharp and Hart cartridge I have dealt with would separate. This happened with a friends rifle years ago, He actually had a broken case extractor he carried when at range or hunting just to be safe.</p><p></p><p>H&H style belted cases are head spaced on the belt.</p><p>SAAMI specs. call for headspace of .220 to .227 on the belt itself. It sounds like the chamber in front of the belt may be out of specs., Measure a fired case against a new case and SAAMI specs. A chamber cast may need to be made and measures taken to find the problem. If a new case or new factory shell is changing length on firing, The chamber may be the problem. Good Luck on finding the problem and getting it cured, Be Safe.</p></blockquote><p></p>
[QUOTE="LoneTraveler, post: 1383946, member: 77249"] A question curtiscd. What type of action does the problem rifle have??? If the action happens to be a Shultz and Larsen, ITS THE NATURE OF THE BEAST. The S&L action has its locking lugs in the back of the action, and on the back of the bolt. Under firing pressure the action stretched and the bolt sort of compressed ever so little but enough. At about 3 reloads the 7mm Sharp and Hart cartridge I have dealt with would separate. This happened with a friends rifle years ago, He actually had a broken case extractor he carried when at range or hunting just to be safe. H&H style belted cases are head spaced on the belt. SAAMI specs. call for headspace of .220 to .227 on the belt itself. It sounds like the chamber in front of the belt may be out of specs., Measure a fired case against a new case and SAAMI specs. A chamber cast may need to be made and measures taken to find the problem. If a new case or new factory shell is changing length on firing, The chamber may be the problem. Good Luck on finding the problem and getting it cured, Be Safe. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Brass Separation Above Belt
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