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You are here: Home / Rifle Scopes / Leupold Std High Rings 49903
Leupold Rifle Scope 1 Leupold Std High Rings 49903

Leupold Std High Rings 49903

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SKU: 81c0425fa4f4 Category: Rifle Scopes Tag: rifle scope
  • Description
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Description

Rifle Scope Product Details

Leupold Std High Rings 49903
Product Description
Leupold Standard High Rings w/Gloss Black Finish Md: 49903, Leupold standard rings are engineered to match up with STD 1-piece and STD 2- piece bases. Extension ring sets give you 5/8″ of additional ring spacing adjustment, so you can shorten or lengthen your ring spacing on rifles. , Type: Rings Size: Standard Height: High Tube Diameter: 1″ Finish: Gloss Black, Manufacturer: LEUPOLD & STEVENS INC, Model: 49903
Amazon.com
Leupold mounts are every bit as rugged and dependable as the Leupold optics they’re intended to secure. This particular set of 0.9-inch machined-steel STD high rings fits securely with an STD one- or two-piece base, offering maximum accessibility to the breech area of your rifle. STD two-piece bases also fit right- and left-handed actions, with reversible bases available for many actions. In addition, the forward part of the base accepts a dovetail ring, locking it solidly into position. Available in four other ring heights, these STD high rings carry Leupold’s full lifetime guarantee.
About Leupold
From humble immigrant beginnings, Leupold grew–based on a promise of quality–to become a classic American company. In 1907, Fred Leupold set up a one-man shop at 5th and Oak streets in Portland to repair surveying equipment. He was joined by his brother-in-law, Adam Voelpel, and later by inventor John Cyprian Stevens, and the foundations for a century of success were in place.
During Leupold’s second half-century, the company focused heavily on the sports optics business. Leupold’s presence in the hunting and shooting market expanded with innovative optics and features that are now legendary among hunters, shooters, and outdoors enthusiasts. Many of the industry’s standards–nitrogen waterproofing, the Duplex reticle, and more–were Leupold creations.

Rifle Scope Product Features

Package length: 10.414 cm
Package width: 11.684 cm
Package height: 1.524 cm
Product Type: SPORTING GOODS

About the Leupold Company

Leupold is a premium supplier for firearm scopes, optics, mounts, and other add-ons used for guns like rifles and long guns. They create and make their mounts and related products working with elements which are resilient and long lasting. This includes the Leupold Std High Rings 49903 by Leupold. For additional shooting products, visit their website.

What You Need to Know About Glass

Rifle scopes permit you to exactly aim a rifle at different targets by aligning your eye with the target over a range. They accomplish this through zoom using a series of lenses within the scope. The scope’s alignment can be dialed in to account for numerous ecological considerations like wind speed and elevation to make up for bullet drop.

The scope’s purpose is to help the shooter understand precisely where the bullet will land based upon the sight picture you are seeing through the scope as you align the scope’s crosshair or reticle with the target. Many modern rifle scopes have about eleven parts which are found within and on the exterior of the scope body. These parts include the rifle scope’s body, lenses, elevation turrets, focus rings, and other elements. See all eleven parts of an optic.

Rifle Optic Types

Rifle scopes can be either “first focal plane” or “second focal plane” style of scopes. The form of focal plane a scope has decides where the reticle or crosshair is located in connection with the optic’s zoom. It literally means the reticle is situated behind or ahead of the magnifying lens of the optic. Deciding upon the most beneficial style of rifle scope is based upon what sort of shooting or hunting you intend on doing.

First Focal Plane Glass

Focal plane scopes (FFP) come with the reticle in front of the zoom lens. This triggers the reticle to increase in size based on the amount of magnification being used. The outcome is that the reticle measurements are the same at the enhanced range as they are at the non amplified range. For example, one tick on a mil-dot reticle at one hundred yards without “zoom” is still the corresponding tick at 100 yards with 5x “zoom”. These kinds of scopes are valuable for:

  • Quick acquisition, far away kinds of shooting
  • Shooting circumstances where calculations are very little
  • Experienced shooters who have an idea for their target “hold over” and “lead” equations for their weapon
  • Shooters who do not mind the reticle is enlarged and uses up more visual eyesight space than a SFP reticle

Info on Second Focal Plane Optics

Second focal plane scopes (SFP) include the reticle to the rear of the magnification lens. In the FFP example with the SFP scope, the 5x “zoom” one hundred yard tick measurement would be 1/5th of the non “zoom” tick reticle measurement.

  • Long distance kinds of shooting where shooters have extra time to make ballistic estimations
  • Shooting where most of the shots take place within much shorter ranges and proximities
  • Shooters who prefer a clearer optic sight picture with less space taken up by the bigger FFP reticle

Ins and Outs of Optic Magnification

The quantity of magnification a scope provides is determined by the diameter, density, and curvatures of the lenses inside of the rifle scope. The magnification of the scope is the “power” of the scope.

About Fixed Single Power Lens Rifle Scopes

A single power rifle scope comes with a magnification number designator like 4×32. This suggests the zoom power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of scope can not adjust since it is a fixed power scope.

Variable Power Lens Rifle Glass

Variable power rifle scopes have adjustable power. These types of scopes will note the zoom amount in a configuration such as 2-10×32. These numbers imply the zoom of the scope could be changed in between 2x and 10x power. This always involves the powers in-between 2 and 10. The power manipulation is achieved by employing the power ring part of the scope near the back of the scope by the eye bell piece.

Glass Power Level and Ranges

Here are some advised scope power levels and the ranges where they can be effectively used. Highly magnified glass will not be as effective as lower powered rifle scope glass considering that too much magnification can be a bad thing. The very same idea goes for longer distances where the shooter needs increased power to see exactly where to best aim the rifle.

Glass Lens Covering

All current rifle optic and scope lenses are layered. Lens finish is an essential element of a shooting platform when looking at high end rifle optics and scope setups.

Info on Lens Coatings – HD Versus ED

Some scope brands likewise use “HD” or high-definition lens coatings which use different processes, polarizations, chemicals, and elements to draw out separate colors and viewable quality through the lens. Some scope producers use “HD” to refer to “ED” to signify the lens has extra-low dispersion glass.

Single Covering Versus Multi-Coating for Rifle Glass

Various optic lenses can likewise have different finishes used to them. All lenses usually have at least some type of treatment or finishing used to them prior to being used in a rifle scope or optic.

Single covered lenses have a treatment applied to them which is normally a protective and improving multi-purpose treatment. This lens treatment can preserve the lens from scratches while decreasing glare and other less advantageous things experienced in the shooting environment while sighting in with the optic. The quality of a single layered lens depends on the scope developer and the amount you spent paying for it. Both the make and cost are indicators of the lens quality.

Some scope makers likewise make it a point to specify if their optic lenses are covered or “multi” coated. This suggests the lens has several treatments applied to the surfaces. If a lens gets multiple treatments, it can show that a producer is taking several actions to fight different environmental aspects like an anti-glare covering, a scratch resistant anti-abrasion finish, followed by a hydrophilic coating. This also does not necessarily mean the multi-coated lens is better than a single covered lens. Being “much better” depends upon the maker’s lens treatment innovation and the quality of components used in constructing the rifle optic.

Anti-water Lens Coverings

Water on a lens doesn’t help with preserving a clear sight picture through a scope at all. Many top of the line and military grade scope makers will coat their lenses with a hydrophobic or hydrophilic finish.

Rifle Glass Installing Choices

Installing options for scopes come in a few choices. There are the basic scope rings which are separately mounted to the optic and one-piece scope mounts which cradle the scope. These various kinds of mounts also normally can be found in quick release versions which use throw levers which enable rifle operators to quickly install and dismount the glass.

Hex Key Rifle Optic Ring Mounts

Normal, clamp design mounting scope rings use hex head screws to mount to the flattop style Picatinny scope installation rails on rifles. These types of scope mounts use a couple of different rings to support the optic, and are often made from 7075 T6 billet aluminum which are developed for long range accuracy shooting. This type of scope mount is great for rifles which require a resilient, sound mount which will not move no matter how much the scope is moved or abused.

Quick-Release Cantilever Rifle Scope Ring Mounts

These types of quick-release rifle scope mounts can be used to quickly detach a scope and connect it to a different rifle. Multiple scopes can even be switched out if they all use a compatible design mount. These types of mounts are handy for rifles which are transported a lot, to remove the optic from the rifle for protection, or for scopes which are used between numerous rifles.

Sealing and Gas Purging for Optic Tubes

Wetness inside your rifle scope can ruin a day of shooting and your expensive optic by causing fogging and creating residue inside of the scope tube. Many scopes prevent moisture from getting in the scope tube with a system of sealing O-rings which are water resistant.

Gas Purged Rifle Optic Tubes

Another part of avoiding the buildup of moisture inside of the rifle scope tube is filling the tube with a gas like nitrogen. Since this space is currently taken up by the gas, the glass is less impacted by temperature alterations and pressure distinctions from the outside environment which could possibly allow water vapor to permeate in around the seals to fill the void which would otherwise exist. These are good qualities of a decent rifle scope to seek out.

Additional information

Category

Rifle Scopes

Brand

Leupold

ASIN

B001HN5H3E

Reviews

Over 27

Reviews Rating

4.4 out of 5 stars

Best Sellers

Last update on August 17, 2026 // Source: Amazon API

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