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The Model 336 is a direct development of the Marlin Model 1893 rifle which was produced from 1893 to 1936. [2][3] Based on the patents of L.L. Hepburn, the Model 1893 incorporated a new locking bolt system and a two-piece firing pin. [3] In 1936, with only minor changes to the stock, forearm, and sights, the Model 1893 was redesignated the ...
The scope base is the attachment interface on the rifle's receiver, onto which the scope rings or scope mount are fixed. Early telescopic sights almost all have the rings that are fastened directly into tapped screw holes on the receiver, hence having no additional scope base other than the receiver top itself.
Marlin Model 1897, lever action repeater, the precursor of the Model 39 and 39A; Marlin Model 25M, .22 WMR bolt-action rifle; Marlin Model 25MG, .22 WMR, smooth bore, bolt-action shotgun. It was designed and marketed as a "Garden Gun" Marlin Model 25N, now the Model 925, a .22 Short, .22 Long, and .22 Long Rifle bolt-action rifle
Weaver rail mount. A Weaver rail mount is a system to connect telescopic sights (often via a scope mount) and other accessories to firearms and certain crossbows. [1] It uses a pair of parallel rails and several slots perpendicular to these rails. The later Picatinny rail, developed by the US military, is a development of the key concepts of ...
Optics. Mirrors and lenses are the critical light-bending components of a telescope. Objective: The first lens or curved mirror that collects and focuses the incoming light. Primary lens: The objective of a refracting telescope. Primary mirror: The objective of a reflecting telescope. Corrector plate: A full aperture negative lens placed before ...
Picatinny rail. The 1913 rail (MIL-STD-1913 rail), also known as the Picatinny rail (1913 Picatinny rail etc.) is an American rail integration system designed by Richard Swan [1] that provides a mounting platform for firearm accessories. It forms part of the NATO standard STANAG 2324 rail. It was originally used for mounting of scopes atop the ...
An equatorial mount is a mount for instruments that compensates for Earth's rotation by having one rotational axis, called polar axis, parallel to the Earth's axis of rotation. [1][2] This type of mount is used for astronomical telescopes and cameras. The advantage of an equatorial mount lies in its ability to allow the instrument attached to ...
A dovetail rail on a rifle receiver for mounting a sight (i.e. a scope or iron sights). A dovetail rail or dovetail mount can refer to several types of sliding rail system found on firearms, primarily for mounting telescopic sights. Colloquially, the term dovetail rail usually refer to any straight mounting bracket with an inverted trapezoid ...