| 摘要 |
A firearm having an attitude indicator, a stock, a barrel having a shooting axis, and a scope positioned above the barrel and having a sighting axis, the common plane in which the shooting axis and the sighting axis lie constituting the firearm plane, and wherein, for proper sighting, the firearm plane must be substantially vertically oriented, the attitude indicator having a level with a horizontal functional plane, a support for the indicator, and an attachment mechanism for mounting the support on the firearm with the functional plane of the indicator oriented substantially normal to the firearm plane and with the indicator lying within the binocular field incident to the sighting axis of the scope.
|
