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Rifles, Reloading, Optics, Equipment
Reloading
Case length problems.
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<blockquote data-quote="kcebcj" data-source="post: 920969" data-attributes="member: 10391"><p>I ran the two numbers you posted of the overall length in Quick Load. Your load length of 3.320 and your friends load of 3.190. Shoving the bullet .130 deeper will increases pressure if the load is the same. </p><p> </p><p> I used a 30-06 load I shoot with a COAL of 3.345 with a pressure of 50,130psi. I shoved the bullet to a COAL of 3.190 and the pressure jumped to 55,634psi. That is a 5,500 increase. Now if you have a mellow load there probably would be no danger but if you are at a max load with the 3.320 COAL you might have to replace the rifle and part of your face.</p><p> </p><p> With me not knowing your loads my advice is to pull the bullets don't shoot them. Whenever there is a change to powder, seating depth or primer change drop your load back and work it back up watching for pressure change.</p><p></p><p></p><p>There is nothing wrong with a shorter COAL if the powder has been adjusted and the load worked up staying within a safe pressure. There are a lot of good books and software out there that can get you up to speed on all this little stuff that when combined makes a difference.</p></blockquote><p></p>
[QUOTE="kcebcj, post: 920969, member: 10391"] I ran the two numbers you posted of the overall length in Quick Load. Your load length of 3.320 and your friends load of 3.190. Shoving the bullet .130 deeper will increases pressure if the load is the same. I used a 30-06 load I shoot with a COAL of 3.345 with a pressure of 50,130psi. I shoved the bullet to a COAL of 3.190 and the pressure jumped to 55,634psi. That is a 5,500 increase. Now if you have a mellow load there probably would be no danger but if you are at a max load with the 3.320 COAL you might have to replace the rifle and part of your face. With me not knowing your loads my advice is to pull the bullets don't shoot them. Whenever there is a change to powder, seating depth or primer change drop your load back and work it back up watching for pressure change. There is nothing wrong with a shorter COAL if the powder has been adjusted and the load worked up staying within a safe pressure. There are a lot of good books and software out there that can get you up to speed on all this little stuff that when combined makes a difference. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Case length problems.
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