My Tanfo Limited Custom in 40 has been jamming lately on the second round. After one round is chambered and fired the subsequent round is not being fed into the barrel. It appears the breech face is catching this round in the extractor groove and thus not being able to hook under the extractor and be fed correctly. All mags are factory K40 tubes with grams followers and springs with Henning stendos. All mags have feed lips adjusted to .386" and I experermented with stretching the springs (springs new in January 2020, beveled the breech face, polished the extractor, changed recoil springs 12,11.5,11,10 and 9lb all seem to do it 9lb the least but had other issues at that point. Ran my mags in a friend's Stock II and had no issues. Loading to 1.130"
Here's some links to the pictures from today's range session.
Photo1
Photo2
Photo3
Thanks for any input in advance
Dave