In 45-70.
Like the sights.
"Adjustable Skinner Sights™ receiver-mounted peep sight is perfect for rapid target acquisition."
https://www.marlinfirearms.com/s/model_1895trapper/
REINTRODUCING THE MARLIN® MODEL 1895 TRAPPER LEVER-ACTION RIFLE
1“The only thing necessary for the triumph of evil is for good men to do nothing,”