PrimaryBruce Posted October 6, 2016 Share Posted October 6, 2016 (edited) Figured I'd ask here as some of you are much more familiar with Tanfoglio's than any of us at the shop are. Is there some point that they had slightly different LPA dovetails in their slides? I was under the impression that LPA dovetails were a standard thing, but I'm beginning to think I may be incorrect? I'm bringing this up because we have had a couple customers have fitment issues with their optic mounts we made. The fitment on the slide we had in hand to prototype from was such that the mounts went in about 25% of the way by hand, then had to finish being installed with a punch, which is exactly what we were going for. While most of the customers who received their mounts had theirs fit exactly like this, a few others had issues with the mounts sliding right into the dovetail with no resistance at all. I know for a fact it isn't the mounts themselves, as every single one was checked to be within +/-.001" on all dovetail dimensions. One thing that came to mind, which may have absolutely nothing to do with the problem, is that the customers who had loose fitment all had to beat the absolute crap out of their factory sights to get them out. Perhaps Tanfo is slightly deforming the dovetails when they pound the sights in rather than fitting them to the slide? I don't know. I'm at a loss and really trying to get to the bottom of the hit and miss fitment. Edited October 6, 2016 by PrimaryBruce Link to comment Share on other sites More sharing options...
ryridesmotox Posted October 6, 2016 Share Posted October 6, 2016 Tanfo QC seems to be hit or miss. There Are 2 threads here now that Are finding out of spec chambers Link to comment Share on other sites More sharing options...
PrimaryBruce Posted October 6, 2016 Author Share Posted October 6, 2016 13 minutes ago, ryridesmotox said: Tanfo QC seems to be hit or miss. There Are 2 threads here now that Are finding out of spec chambers This was our first thought but didn't want to jump to that conclusion. Link to comment Share on other sites More sharing options...
johnbu Posted October 6, 2016 Share Posted October 6, 2016 There are "old" and "new" versions of the s2. Old has a thinner beaver tail, a slightly longer barrel and fewer reports of short chamber. Any correlations in the problem guns? Link to comment Share on other sites More sharing options...
goldfish Posted October 6, 2016 Share Posted October 6, 2016 What years to determine that it is a new or old version of S2? Link to comment Share on other sites More sharing options...
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