gunsight

n.

（枪炮的）瞄准具，瞄准器；

Gun sight
Gun sight
Gunsight
Gunsight and reticle therefor
Laser gunsight system for a firearm handgrip
Holographic gunsight: the next generation
Holographic gunsight: the next generation
"Gunsight"skin incision and closure technique for stoma reversal
Gunsight (Virgilian) Wewokellid Sponges and Their Depositional Environment
Test Database Design of a Kind of Gunsight
Computer Test System for Aeronautic Gunsight Based on Virtual Instrument Technology
The effectiveness of airbags in reducing the severity of head injury from gunsight strikes in attack helicopters
Chemical composition and provenance of the mesoproterozoic Big Creek, Apple Creek, and Gunsight Formations, Lemhi Group, Central Idaho