SJ 40 Posted January 18, 2013 Share Posted January 18, 2013 (edited) Key Findings of the WSTIAC Primer Study Were: 1. Lead-Free primers suffered from significant delays in ignition. 2. Lead-Free large rifle primers had a “a much larger variation in peak blast pressure” than did lead-based large rifle primers. 3. Field tests showed 7.62×51 rounds loaded with lead-free primers to be less accurate than rounds loaded with lead-based primers. 4. So-called “match-grade” primers were NOT always more consistent in pressure than standard primers. SJ 40 http://bulletin.accu...e-primer-tests/ Edited January 18, 2013 by SJ 40 Link to comment Share on other sites More sharing options...
BostonBullit Posted January 23, 2013 Share Posted January 23, 2013 A friend moved and gave me 2k lead free SPP that I promptly chucked on the shelf. I ran low on my usual stuff so I decided to try the lead free for my practice ammo. Stovepipes everywhere! Nothing changed except the primers (38Super loads). I didn't expect them to be great but the proved damn near unusable Link to comment Share on other sites More sharing options...
SJ 40 Posted January 23, 2013 Author Share Posted January 23, 2013 From what I read in the report it sounds as they haven't perfected them as of yet,not quite ready for prime time pun intended. SJ 40 Link to comment Share on other sites More sharing options...
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