Vetterli rifles
...that the Swiss Vetterli rifles, a series of Winchester-derived repeating rifles, were Europe's most advanced service rifles at the time of their introduction in 1869?
...that the <a href="./Switzerland" id="mwEGU" rel="mw:WikiLink" title="Switzerland">Swiss</a> <b id="mwEGY"><a href="./Vetterli_rifle" id="mwEGc" rel="mw:WikiLink" title="Vetterli rifle">Vetterli rifles</a></b>, a series of <a href="./Winchester_rifle" id="mwEGg" rel="mw:WikiLink" title="Winchester rifle">Winchester</a>-derived <a href="./Repeating_rifle" id="mwEGk" rel="mw:WikiLink" title="Repeating rifle">repeating rifles</a>, were Europe's most advanced <a href="./Service_rifle" id="mwEGo" rel="mw:WikiLink" title="Service rifle">service rifles</a> at the time of their introduction in 1869?