Large winter trigger guard on Czech made guns supplied

Markings on K98K produced by Czech ZB plant during the war
and then sold to Israel in 1948.  Sometime during the 50's they
were converted to .308.  The six point star is the Star of David
This rifle has the winter trigger guard.

Markings on the Receiver of a Gew 98 converted to a K98K by who
I do not know but it is now in .308 and has the Israeli Star of David
The eagle is the German Imperial proof. This rifle has the standard
trigger guard.  Serial number has been removed in pic.

Gew 98 was produced by the Danzig Arsenal
with royal crown in 1917.