aperture sight造句

• Target aperture sights are designed for maximum precision.
• It has no applied safety and is fitted with RPA Vernier scaled aperture sights.
• On the M9, the ladder sight was replaced by the General Electric T43 aperture sight.
• The FGR-17 uses flip-down aperture sights for targeting, protected by a casing.
• Modern target rifles are extremely accurate, and have aperture sights which are fully adjustable for elevation and windage.
• Civilian, hunting, and police firearms usually feature open sights, while many military battle rifles employ aperture sights.
• The standard issue C12A1 also features German-made closed aperture sights and has a level on the front sight.
• The VBR-PDW is a double-action personal defense weapon chambered for two flip-up aperture sights.
• The original Mini-14 rifle had a rear aperture sight with large protective wings, and no integral scope bases.
• Aperture sights on military rifles use a larger aperture with a thinner ring, and generally a simple post front sight.
• The diopter is an aperture sight component used to assist the aiming of devices, mainly firearms, airguns, and crossbows.
• The rifle had an iron sight line consisting of rear receiver aperture sight protected by sturdy " ears " calibrated for in increments.
• The rifle was equipped with folding iron sights ( rear aperture sight in a rotating drum ) and the PSO-1 telescopic sight.
• The necessary accessories to attach sighting components such as match grade peep sights or target aperture sights and a mirage strap are all available.
• The fixed sights consisted of a rear aperture sight preset for firing at 100 yards ( approximately 91 m ) and a front blade foresight.
• The MAR is equipped with a folding tubular aluminum stock and a flip aperture sight with two settings : 0 300 m and beyond 300 m.
• The aperture sight was also able to correct for wind drift operated by turning a windage knob that moved the sight in approximately 1 MOA increments.
• An additional benefit to aperture sights is that smaller apertures provide greater depth of field, making the target less blurry when focusing on the front sight.
• The theory of operation behind the aperture sight is often stated that the human eye will automatically center the front sight when looking through the rear aperture, thus ensuring accuracy.
• Rifles from the late 19th century often featured one of two types of aperture sight called a " tang sight " or a " ladder sight ".