This is an excellent example of a Swiss Schmidt Rubin Model 1889 in the Swiss 7.5x54, this is a straight pull bolt action. Here is a segment found on the gun.
 
Swiss Made Schmidt Rubin Model SR 1889 Rifle. Due to the early date of manufacture this is considered an Antique Firearm. Overall in great condition. History- Rudolf Schmidt's first straight-pull bolt mechanism of 1885 relied on an actuating rod, set in a channel on the right side of the breach, to rotate the bolt through a helical channel cut in the bolt sleeve. Twin lugs were provided midway along the bolt sleeve, locking into the receiver directly above the trigger.This rifle was officially adopted on June 26, 1889. Tooling had already begun in the state factory, and so the first deliveries were surprisingly speedy. The M1889 was a most unusual design, with a characteristically Swiss nose cap/bayonet lug/stacking rod assembly, and a receiver with a noticeable gap between the trigger guard and the magazine. The great length of the bolt weakened the Schmidt system greatly. Production ceased in 1897
 
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