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Old December 27, 2012, 11:47 AM   #2
243winxb
Senior Member
 
Join Date: July 26, 2011
Posts: 960
They are useful, if the operator understands the difference between Headspace & Head Clearance. Reads & understands the instruction. Studies the SAAMI website & drawing for there caliber. http://www.saami.org/specifications_...ex.cfm?page=CC

Last edited by 243winxb; December 27, 2012 at 11:58 AM.
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