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Long Range Hunting & Shooting
Hammer 22 Creedmoor Testing
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<blockquote data-quote="orkan" data-source="post: 2593975" data-attributes="member: 25377"><p>22 creed is not a SAAMI cartridge, so there is no "standard." Many run a .080 or .100 free bore. I have an .080 and .125 reamer at the moment. Stratton Custom Rifles has a .100 on hand. So you could pretty much run wherever you wanted, depending on the bullet you are trying to run. You could run a 0 free bore if you were going to stick with 40gr or 50gr stuff. I prefer to throat long, as I don't like my bullets bearing surface being beneath the neck/shoulder junction. .080 will often pressure up pretty early with most 75gr+ bullets. Then there's the fact that many bullet designs tend to shoot just a hair smaller with 50-60 thousandths of jump than they do at 10 thousandths off.</p></blockquote><p></p>
[QUOTE="orkan, post: 2593975, member: 25377"] 22 creed is not a SAAMI cartridge, so there is no “standard.” Many run a .080 or .100 free bore. I have an .080 and .125 reamer at the moment. Stratton Custom Rifles has a .100 on hand. So you could pretty much run wherever you wanted, depending on the bullet you are trying to run. You could run a 0 free bore if you were going to stick with 40gr or 50gr stuff. I prefer to throat long, as I don’t like my bullets bearing surface being beneath the neck/shoulder junction. .080 will often pressure up pretty early with most 75gr+ bullets. Then there’s the fact that many bullet designs tend to shoot just a hair smaller with 50-60 thousandths of jump than they do at 10 thousandths off. [/QUOTE]
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Hammer 22 Creedmoor Testing
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