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Rifles, Reloading, Optics, Equipment
Reloading
300 WSM reloading and chambering problems
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<blockquote data-quote="Carbine Kid" data-source="post: 2052480" data-attributes="member: 59686"><p>G'day Itchy.</p><p>I haven't fired factory loads in any of my rifles for about 40yr and all of them are wildcats except my 300WSM. The loads for it are Speer 125gn TNT with Re 15 for 3448fps and 7mm groups also Speer 180gn HotCor with Win 760 for 3010fps and 10mm groups. These are accuracy loads and below max for this rifle.</p><p></p><p>To your issues. I have never, during bore scoping, seen a significant carbon ring on a hunting trip where we can fire up to 300 x 125's and 100 x 180's, therefore not your problem at some 30 rounds. Copper fowling also is not your problem.</p><p></p><p>Your idea to pull and reduce factory load by 2gn is valid and will give you a source of F.F. brass.</p><p></p><p>I would start work up with the 30 you have and see how you go. That is if the cases will fit after F.L.S. If not use some "reduced" load factory cases</p><p>.</p><p>You obviously have neck clearance, satisfactory headspace and 35thow "jump" is fine for factory loads.</p><p>A custom rifle SHOULD have a "tight" chamber, that is why you build/buy them.</p><p>Someone suggested a chamber cast, ok, but that should only confirm that you have what you payed for, a tight custom chamber.</p><p></p><p>More free bore is not a solution, unless you have built on a long action, as mag length controls your OAL.</p><p></p><p>I don't believe you have a problem with the rifle and reloading is what the chamber is cut for.</p><p></p><p>Well mate that is all I can think of.</p><p>The 300WSM is, top of the heap for hunting. </p><p>It is easy to work up loads for and my two loads take pigs, roos, deer etc apart out to 1000 yds.</p><p></p><p>Reload and enjoy your new rifle,</p><p>Steve.</p></blockquote><p></p>
[QUOTE="Carbine Kid, post: 2052480, member: 59686"] G'day Itchy. I haven't fired factory loads in any of my rifles for about 40yr and all of them are wildcats except my 300WSM. The loads for it are Speer 125gn TNT with Re 15 for 3448fps and 7mm groups also Speer 180gn HotCor with Win 760 for 3010fps and 10mm groups. These are accuracy loads and below max for this rifle. To your issues. I have never, during bore scoping, seen a significant carbon ring on a hunting trip where we can fire up to 300 x 125's and 100 x 180's, therefore not your problem at some 30 rounds. Copper fowling also is not your problem. Your idea to pull and reduce factory load by 2gn is valid and will give you a source of F.F. brass. I would start work up with the 30 you have and see how you go. That is if the cases will fit after F.L.S. If not use some "reduced" load factory cases . You obviously have neck clearance, satisfactory headspace and 35thow "jump" is fine for factory loads. A custom rifle SHOULD have a "tight" chamber, that is why you build/buy them. Someone suggested a chamber cast, ok, but that should only confirm that you have what you payed for, a tight custom chamber. More free bore is not a solution, unless you have built on a long action, as mag length controls your OAL. I don't believe you have a problem with the rifle and reloading is what the chamber is cut for. Well mate that is all I can think of. The 300WSM is, top of the heap for hunting. It is easy to work up loads for and my two loads take pigs, roos, deer etc apart out to 1000 yds. Reload and enjoy your new rifle, Steve. [/QUOTE]
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300 WSM reloading and chambering problems
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