I had a chance to buy a 10K pack of Nobel Sport Italia #688 primers recently.
My concern was that they would pierce like Cheddite, and/or fail to properly ignite Titewad like Fiocchi 616.
I'm happy to report that they do neither. Note this is the 688, not the 686 which I have not tried and likely will never try.
These have been tried in several guns including a CXS Citori with a J&P mainspring and firing pin kit installed. That gun has a 100% pierce rate with Cheddite, 20% with Fiocchi, and 0% with W209. The NSI 688 is also 0%.
As far as loads, you're on your own like I am. I simply swap for W209 in loads that are advertised at or below 10K PSI. This is not a recommendation, just a statement of what I consider safe in my MODERN TARGET GUNS.
I intend to support this vendor and encourage him to keep bringing in NSI products. I also bought several flats of their trap loads and they are of high quality and squeaky clean burning.
