Full octagon barrel with a matted top flat and quarter rib. Left flat marked "GUSS STAHL", right flat is marked "KRUPP ESSEN". Ramp front sight with a pin head bead. B.U.G. proofs on the bottom. Made in April 1925. Casehardened action with external extractor. Receiver top flat marked in gold "N. Original Aydt". Three finger spur lever, quick detachable double set trigger assembly. Correct fully adjustable tang sight. Original makers straight grip checkered stock with a left hand Germanic style cheek piece. Casehardened iron Schuetzen butt plate. Thumb rest on the left side of the stock. Sling swivels on stock/barrel. Schnabel style forearm with key-wedge attachment.