Description
Rifle Scope Product Details
NcStar 3-9X42 Compact-Red and Green Illuminated P4 Sniper/Green Lens/Quick Release (STP3942G)
If you have been looking for a compact scope for your tactical rifle, the NcStar Mark 3 Compact Tactical Rifle Scope might just be the answer. Designed for ease of use and to stand up to the harsh conditions of tactical use, this scope features an integrated quick release mounting system, fully multi-coated lenses, finger turnable target turrets, a quick focus eyepiece and a built in sunshade. To get all of these features on any other scope you will pay much more. If you want a lightweight tactical scope at a great price, the Mark 3 Compact Tactical is the scope for you. Notes Battery Type: CR2032 3V (1)
Rifle Scope Product Features
Bullet drop compensator calibrated for the .223 cartridge with a 55 grain bullet and illuminated Mil-Dot Reticle
Reticle illuminates in Red or Green with multiple brightness setting
Integrated Quick Release weaver style/picatinny mounting system Matte comes in a black finish
About the NcSTAR Company
NcSTAR is a premium supplier for rifle scopes, optics, mounting solutions, and other components used for firearms like rifles and long guns. They innovate and supply their scopes, mounts, and related products using building materials which are long lasting and resilient. This includes the NcStar 3-9X42 Compact-Red and Green Illuminated P4 Sniper/Green Lens/Quick Release (STP3942G) by NcSTAR. For more shooting goods, visit their site.
What You Need to Know About Glass
Rifle scopes enable you to specifically align a rifle at various targets by lining up your eye with the target at range. They do this through magnifying the target by utilizing a set of lenses inside the scope. The scope’s alignment can be adapted to account for numerous environmental considerations like wind and elevation decreases to make up for bullet drop.
The scope’s function is to understand precisely where the bullet will hit based upon the sight picture you are viewing through the optic as you align the scope’s crosshair or reticle with the intended target. A lot of contemporary rifle scopes have about eleven parts which are located inside and outside of the optic. These scope parts consist of the rifle scope’s body, lenses, elevation dials, objective focus rings, and other parts. Learn about the eleven parts of optics.
The Styles of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Finding the finest type of rifle optic is based around what type of shooting you plan on doing.
First Focal Plane Glass
Focal plane scopes (FFP) come with the reticle in front of the magnification lens. This causes the reticle to increase in size based upon the level of magnification being used. The outcome is that the reticle measurements are the same at the amplified range as they are at the non magnified distance. For instance, one tick on a mil-dot reticle at 100 yards without having “zoom” is still the exact same tick at 100 yards with 5x “zoom”. These kinds of scopes work for:
- Quick acquisition, far away types of shooting
- Shooting scenarios where calculations are minor
- Experienced shooters who recognize their target “hold over” as well as “lead” relationships for their firearms
- Shooters who don’t mind the reticle is enlarged and uses up more visual eyesight area than a SFP reticle
Second Focal Plane Glass
Second focal plane optics (SFP) feature the reticle to the rear of the zoom lens. This triggers the reticle to stay at the exact same size relative to the level of magnification being used. The end result is that the reticle dimensions adjust based upon the magnification chosen to shoot over greater distances considering the reticle markings represent distinct increments which vary with the zoom. In the FFP example with the SFP optic, the 5x “zoom” one hundred yard tick reticle measurement would be 1/5th of the non “zoom” tick measurement. These styles of glass are beneficial for:
- Long distance kinds of shooting where shooters have increased time to make ballistic computations
- Shooting where most shots occur within much shorter proximities and ranges
- Shooters who want a clearer optic picture with less space used up by the larger sized FFP reticle
Glass Magnification
The quantity of magnification a scope offers is identified by the diameter, density, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
About Fixed Single Power Lens Optics
A single power rifle optic or scope will have a magnification number designator like 4×32. This means the magnification power of the scope is 4x power and the objective lens is 32mm. The zoom of this type of scope can not change given that it is a fixed power scope.
Adjustable Power Lens Rifle Glass Info
Variable power rifle scopes use enhanced power. The power adjustment is accomplished by the power ring part of the scope near the back of the scope by the eye bell.
Power Levels and Range
Here are some suggested scope power levels and the ranges where they may be effectively used. Keep in mind that higher magnification glass will not be as practical as lower magnification level scope and optics because excessive zoom can be a detractor. The same concept goes for longer distances where the shooter needs to have sufficient power to see where to properly aim the rifle at the target.
About Rifle Optic Lens Coating
All top of the line rifle optic lenses are layered. Lens finish can be a crucial aspect of a rifle’s setup when thinking about high end rifle optics and scope systems.
Info on Rifle Scope Lens Coatings – HD Versus ED
Some scope producers likewise use “HD” or high-definition lens finishings which use different procedures, polarizations, aspects, and chemicals to draw out various colors and viewable definition through the lens. Some scope manufacturers use “HD” to refer to “ED” to signify the lens has extra-low dispersion glass.
Details on Single Coating Versus Multi-Coating
Different optic lenses can likewise have various coverings applied to them. All lenses generally have at least some type of treatment or covering used to them before being used in a rifle scope or optic.
This lens treatment can offer protection to the lens from scratches while reducing glare and other less beneficial things experienced in the shooting environment while sighting in with the scope. The quality of a single layered lens depends on the scope producer and how much you paid for it.
Some scope manufacturers also make it a point to specify if their optic lenses are layered or “multi” coated. Being “better” depends on the producer’s lens treatment innovation and the quality of materials used in constructing the rifle scope.
Optic Lens Hydrophobic Finishing
Water on a lens does not help with keeping a clear sight picture through a scope at all. Lots of top of the line and high-end scope companies will coat their lenses with a hydrophobic or hydrophilic finish.
Choices for Installing Rifle Scopes on Firearms
Mounting options for scopes come in a few options. There are the basic scope rings which are separately installed to the optic and one-piece scope mounts which cradle the scope. These different types of mounts also usually can be found in quick release variations which use toss levers which enable rifle operators to rapidly mount and remove the scopes.
Rifle Optic Mounts with Hex Key Rings
Standard, 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 two different rings to support the optic, and are made from 7075 T6 billet aluminum which is developed for long distance accuracy shooting. This type of scope install is great for rifles which require a durable, rock solid mount which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Rifle Glass Ring Mounts
These types 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. Multiple scopes can also be swapped out if they all use a complementary style mount. The quick detach mount style is CNC crafted from anodized 6061 T6 aluminum and the mounting levers fasten firmly to a flat top type Picatinny rail. This lets the scope to be sighted in while on the rifle, taken off of the rifle, and remounted while preserving precision. These kinds of mounts come in practical for rifles which are shipped a lot, to remove the scope from the rifle for protection, or for optics which are chosen for use in between multiple rifles. An example of this mount type is the 30mm mount designed by Vortex Optics. It usually costs around $250 USD
Rifle Glass Tube Sealing and Gas Purging
Moisture inside your rifle scope can destroy a day of shooting and your expensive optic by triggering fogging and producing residue inside of the scope tube. A lot of scopes prevent wetness from entering the scope tube with a system of sealing O-rings which are water resistant.
Gas Purged Scope Tubes
Another element of avoiding the buildup of moisture inside of the rifle optic’s tube is filling the tube with a gas like nitrogen. Considering that this area is currently taken up by the gas, the scope is less affected by temperature level shifts and pressure distinctions from the outdoor environment which may possibly allow water vapor to permeate in around the seals to fill the vacuum which would otherwise exist. These are good qualities of a decent rifle scope to look for.
