Last update on June 6, 2023 // Source: Amazon API
Rifle Scope Product Details
Sig Sauer BDX Kit, Kilo1600BDX LRF and Sierra3BDX Scope, 3.5-10x42mm SOK16BDX02
Sig Sauer BDX Combo Kit KILO1600BDX Laser Rangefinder and SIERRA3BDX Riflescope, 3.5-10X42MM, Black, SOK16BDX02
Rifle Scope Product Features
About the Sig Sauer Manufacturer
Sig Sauer is a premium manufacturer for firearm scopes, optics, mounting solutions, and other add-ons used for firearms like rifles and long guns. They style and manufacture their mounts and related products by making the most of elements which are long lasting and durable. This includes the Sig Sauer BDX Kit, Kilo1600BDX LRF and Sierra3BDX Scope, 3.5-10x42mm SOK16BDX02 by Sig Sauer. For additional shooting products, visit their site.
All About Rifle Optics
Rifle scopes allow you to precisely align a rifle at different targets by lining up your eye with the target at range. They accomplish this through magnifying the target by utilizing a set of lenses inside the scope. The scope’s positioning can be dialed in for consideration of many environmental considerations like wind speed and elevation increases to account for bullet drop.
The scope’s function is to help the shooter understand precisely where the bullet will hit based on the sight picture you are seeing via the scope as you align the scope’s crosshair or reticle with the intended point of impact. Many modern rifle scopes and optics have about 11 parts which are located within and on the exterior of the optic. These scope parts include the rifle scope’s body, lenses, windage dials or turrets, focus rings, and other parts. Learn about the eleven parts of scopes.
About Optic Types
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Going for the finest type of rifle scope is based on what type of shooting you plan on doing.
First Focal Plane Optic Facts
Focal plane scopes (FFP) feature the reticle in front of the zoom lens. These kinds of scopes are useful for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where estimations are minor
- Experienced shooters who know their aim point “hold over” as well as “lead” correlations for their long gun
- Shooters who don’t mind the reticle is enlarged and uses up more visual eyesight space than a SFP reticle
Second Focal Plane Glass
Second focal plane optics (SFP) feature the reticle to the rear of the magnifying lens. This triggers the reticle to remain at the very same size in relation to the volume of magnification being used. The outcome is that the reticle measurements adjust based upon the magnification applied to shoot over longer ranges considering that the markings present various increments which differ with the magnification. In the FFP example with the SFP optic, the 5x “zoom” 100 yard tick would be 1/5th of the non “zoom” tick measurement. These styles of optics work for:
- Long distance forms of shooting where shooters have more time to make ballistic calculations
- Shooting where most shots happen within much shorter proximities and ranges
- Shooters who prefer a clearer optic picture without room taken up by the larger sized FFP reticle
About Glass Zoom
The quantity of magnification a scope supplies is figured out by the size, density, and curvatures of the lenses inside of the rifle scope. The magnification of the scope is the “power” of the scope.
Fixed Single Power Lens Optic Details
A single power rifle optic and scope will have a zoom number designator like 4×32. This means the magnification power of the scope is 4x power while the objective lens is 32mm. The zoom of this kind of scope can not change given that it is a fixed power scope.
Info on Adjustable Power Lens Rifle Optics
Variable power rifle scopes have adjustable power. These types of scopes will note the magnification amount in a configuration such as 2-10×32. These numbers mean the zoom of the scope can be set in between 2x and 10x power. This additionally incorporates the powers in-between 2 and 10. The power adaptation is accomplished by applying the power ring component of the scope near the back of the scope by the eye bell piece.
Glass Power Level and Ranges
Here are some recommended scope power settings and the ranges where they can be efficiently used. High power rifle scope glass will not be as efficient as lower magnification glass since too much zoom can be a negative aspect depending on your shooting distance. The same goes for longer ranges where the shooter needs to have enough power to see exactly where to properly aim the rifle at the target.
Optic Lens Finish
All current rifle scope and optic lenses are coated. Lens coating can be a vital element of a rifle’s setup when purchasing high end rifle optics and scope systems.
HD Versus ED Rifle Glass Lens Coatings
Some rifle scope manufacturers will also use “HD” or high-definition lens coatings which apply different processes, elements, polarizations, and chemicals to draw out various color ranges and viewable target definition through lenses. This high-definition covering is often used with greater density lens glass which brings down light’s potential to refract by means of the lens glass. Some scope corporations use “HD” to refer to “ED” indicating extra-low dispersion glass. ED handles how certain colors are presented on the chromatic spectrum and the chromatic deviance or aberration which is also called color distortion or fringing. Chromatic aberration is often noticeable over things with hard shapes as light hits the object from particular angles.
Single Coating Versus Multi-Coating
Various optic lenses can also have various finishes used to them. All lenses normally have at least some type of treatment or covering used to them prior to being used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is typically a protective and improving multi-purpose treatment. This lens treatment can preserve the lens from scratches while reducing glare and other less helpful things experienced in the shooting environment while sighting in with the optic. The quality of a single coated lens depends upon the scope designer and how much you spent paying for it. Both are signs of the lens quality.
Some scope manufacturers also make it a point to specify if their optic lenses are covered or “multi” coated. Being “better” depends on the maker’s lens treatment innovation and the quality of products used in constructing the rifle scope.
Rifle Optic Lens Anti-water Coating
Water on a lens doesn’t help with maintaining a clear sight picture through a scope at all. Lots of top of the line and military grade scope companies will coat their lenses with a hydrophilic or hydrophobic finishing.
Alternatives for Mounting Rifle Optics on Long Guns
Mounting approaches for scopes come in a couple of options. There are the standard scope rings which are separately installed to the scope and one-piece scope mounts which cradle the scope. These various types of mounts also normally can be found in quick release variations which use manual levers which enable rifle operators to quickly install and dismount the glass.
Glass Mounts with Hex Key Rings
Standard, clamp-on type mounting optic rings use hex head screws to mount to the flattop design Picatinny scope mounting rails on the tops of rifles. These forms of scope mounts use double separate rings to support the optic, and are made from 7075 T6 billet aluminum which are created for far away accuracy shooting. This kind of scope mount is good for rifle systems which require a durable, unfailing mount which will not shift regardless of just how much the scope is moved about or abuse the rifle takes. These are the design of mounts you should have for a faithful scope setup on a far away scouting or hard target interdiction firearm which will seldom need to be altered or recalibrated. Blue 242 Loctite threadlocker can additionally be used to prevent the hex screws from wiggling out after they are installed safely in position. An example of these rings are the 30mm type made by the Vortex Optics brand. The set usually costs around $200 USD
Rifle Optic Mounting Solutions with Quick-Release Cantilever Rings
These kinds of quick-release rifle scope mounts can be used to rapidly take off a scope from a rifle and reattach it to a different rifle. If they all use a similar design mount, several scopes can also be swapped out. The quick detach design is CNC crafted from anodized 6061 T6 aluminum and the mounting levers fasten solidly to a flat top design Picatinny rail. This allows the scope to be sighted in while on the rifle, removed from the rifle, and remounted while keeping precision. These types of mounts come in handy for rifles which are moved around a lot, to remove the glass from the rifle for protection, or for scopes which are adopted between multiple rifles. An example of this mount type is the 30mm mount designed by Vortex Optics. It usually costs around $250 USD
Glass Tube Sealing and Gas Purging
Moisture inside your rifle scope can spoil a day of shooting and your highly-priced optic by inducing fogging and creating residue inside of the scope’s tube. A lot of optics protect against moisture from going into the scope tube with a series of sealing O-rings which are water resistant. Normally, these water resistant optics can be immersed within 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be plenty of moisture prevention for basic use rifles for hunting and sporting purposes, unless you anticipate taking your rifle aboard watercrafts and are worried about the optic still performing if it is submerged in water and you can still retrieve the gun.
Info Around Rifle Glass Tube Gas Purging
Another element of avoiding the accumulation of moisture inside of the rifle optic’s tube is filling the tube with a gas like nitrogen. Since this space is already taken up by the gas, the glass is less altered by temp alterations and pressure variations from the external environment which might possibly allow water vapor to leak in around the seals to fill the vacuum which would otherwise exist. These are good qualities of a decent rifle scope to look for.