aperture sight

aperture sight

[′ap·ə‚chər ‚sīt]
(ordnance)
An irregularly shaped adjustable mechanical item usually integral to a rear sight; it functions as a peephole through which the sight at the opposite end of a gun is brought into view in aiming at a target or object.
References in periodicals archive ?
Caption: The Savage 110 Scout features an excellent adjustable rear aperture sight as backup.
Pre qualification: general manager, gun and shell factory cossipore intend to notify vendors regarding prototype development of for front sight with illuminating point and aperture sight with illuminating point as per attached drawing.Vendors are required to submit offer with detail source of radioactive element of these items.
But I can still shoot an aperture sight, and I wanted to start working with my Marlin 39A .22 again and didn't want to resort to a scope.
The left side of the receiver is drilled and tapped for a side-mount aperture sight.
The elevation adjustment dial was obviously de- J signed by an optimist, as it can raise the aperture sight to a distance beyond likely use for an open bolt SMG.
Shortly after WWI, the British sort of picked up where they had left off in 1913 by holding trials to develop a rifle with a rear aperture sight similar to the Pattern 14.
The Challenger is a three-position competition rifle featuring a fully adjustable stock, a two-stage adjustable match-grade trigger, a hooded front aperture sight, a micro-click, adjustable diopter rear sight, a patented ambidextrous pull bolt and a floating Lothar Walther barrel.
A solid-as-a-rock aperture sight fitting a boat-load of common guns.
Instead an aperture sight was installed on the rear bridge which is integrated with another scope base that can be used for conventional scope mounting if required.
I leaned against its door, peered through the aperture sight and raised the front bead a foot above the.
Lieutenant Colonel Noor ul Hassam won the Big bore rifle telescopic match, Havaldar Shahid Imran won the Big bore rifle aperture sight match while Major Idrees won the Big bore professional match.
The current system consists of a 12-inch sight bar fitted with a Cobra Easy Slide sight out front and an aperture sight in the rear.