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OAL gage (homemade)
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<blockquote data-quote="Bob S." data-source="post: 80969" data-attributes="member: 2927"><p>BB - Oh you want dumb contraptions do ya. I'll have to look and see if I can find one that actually caused damage!</p><p>Yes its for determining oal to the lands and then working backwards. Much the same way the stoney point oal gage works but when you get away from the standard calibers you need to have a cartridge modified by them and it starts to get expensive. This thing cost me all of about 3 bucks. Thanks alot now my wife won't ever let me use her camera. /ubbthreads/images/graemlins/mad.gif</p><p></p><p>SW89 - not a dumb question at all, thats how I have done it till now. I was looking at knowing how far to the lands so I can be a little more precise than a swag. I'm not calibrated enough to know by feel if its the bullet on the lands or the shoulder not bumped enough or whatever. Obviously this has its limits as well since I am measuring to the tip of the bullet and then converting to the ogive after the round is loaded. Using the same bullet to measure to the tip and make the first loaded round takes some of the inconsistancies out but still I feel its more accurate than bolt closing force.</p><p></p><p>CP - I can't take credit for the idea someone posted a reply to my question on determining oal and had this very tool(similar) he bought many years ago. I can't remember who it was but could go back and look. I tried the marker on the bullet method but wasn't able to accurately tell if I had land marks or not.</p></blockquote><p></p>
[QUOTE="Bob S., post: 80969, member: 2927"] BB - Oh you want dumb contraptions do ya. I'll have to look and see if I can find one that actually caused damage! Yes its for determining oal to the lands and then working backwards. Much the same way the stoney point oal gage works but when you get away from the standard calibers you need to have a cartridge modified by them and it starts to get expensive. This thing cost me all of about 3 bucks. Thanks alot now my wife won't ever let me use her camera. [img]/ubbthreads/images/graemlins/mad.gif[/img] SW89 - not a dumb question at all, thats how I have done it till now. I was looking at knowing how far to the lands so I can be a little more precise than a swag. I'm not calibrated enough to know by feel if its the bullet on the lands or the shoulder not bumped enough or whatever. Obviously this has its limits as well since I am measuring to the tip of the bullet and then converting to the ogive after the round is loaded. Using the same bullet to measure to the tip and make the first loaded round takes some of the inconsistancies out but still I feel its more accurate than bolt closing force. CP - I can't take credit for the idea someone posted a reply to my question on determining oal and had this very tool(similar) he bought many years ago. I can't remember who it was but could go back and look. I tried the marker on the bullet method but wasn't able to accurately tell if I had land marks or not. [/QUOTE]
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OAL gage (homemade)
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