| 摘要 |
A sight rail device for securing a sighting telescope to a shoulder firearm which includes a receiver having a barrel secured thereto and with a plurality of upright internally threaded hollow tubular mounting bolts disposed along the barrel and also partly along the receiver, comprises, a sight rail having an underside which conforms to the barrel and is disposed to overlie a portion of each and has a plurality of receiving bores defined in the underside which open toward the barrel and the receiver into which the mounting bolts extend. The sight rail also includes a dovetail-shaped sight-receiving recess for easily mounting the sight and a dovetail-shaped recess for easily mounting a baseplate for securing the sighting telescope.
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