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Defend Sights Crimson Dots Evaluate: SMS2, RMS, SIS2, RMS, RMSx, RMS Compact: Handgun, Rifle, Shotgun Receive US

Defend Sights Ltd is a United Kingdom-based firm that has produced over 100,000 SMS sights alone. Over 15,000 sights are presently in energetic use by navy and particular forces.

The corporate stays devoted to advancing compact and light-weight sights, steadily introducing new fashions. I’ve made this overview to check the accessible sights and spotlight distinctions between varied fashions.

From the smallest to the biggest of the sights.

Shield Sights Red Dots Review: SMS2, RMS, SIS2, RMS, RMSx, RMS Compact
From RMS Compact to Switchable Interface Sight.

SMS 2.0, RMS 2.0, RMSc

On daily basis carry or backup sight for rifles, pistol caliber carbines and even shotguns.

  • SMS2 stands for Defend Mini Sight, 2nd model. It has polymer physique.
  • RMS2 stands for Reflex Mini Sight, 2nd model. It has aluminium physique.
  • RMSc stands for Reflex Mini Sight Compact. Slimmer design for compact handguns, aluminum physique.

There are two forms of lenses: one product of plastic (polymer) and one other with glass (Glass Version). The plastic lens is nice and sturdy, however you must watch out when cleansing it to keep away from scratches. The Glass Version is extra immune to scratches, but it surely prices extra. I prefer it higher, although.

The SMS2 sight is probably the most cheap one from Defend sights. It’s light-weight as a result of it’s product of plastic, and it’s robust sufficient for heavy use. RMS2 is little costlier due to the aluminum physique.

Although it was made for handguns, its small measurement makes it good for a lot of different weapons too. I’ve seen it on all types of weapons, like handguns, rifles, pistol caliber carbines, and even shotguns!

Shield RMS2 and SMS2 Sights

Shield RMS2 and SMS2 Sights

Set up

Mounting on handguns which might settle for optic sights, corresponding to GLOCK with Modular Optic System (MOS) or Canik with an Optic Prepared Slide, is simple. Nonetheless, if you wish to mount it on a Picatinny rail, you’ll want a further adapter, which is accessible for buy individually.

Picatinny Vented Mount & Spacers

Keep in mind that you will want longer screws (included) to connect sight to the mount with spacers.
There are even rubber washers for set up screws to guard your sight from scratches. Be sure to are utilizing them.


Zeroing Red Dot Sight

Zeroing Defend SMS Sight

(Defend SMS sight with Wing Mount which supplies safety towards aspect impacts)

Zeroing may be very easy with included Minidial and wrench. Even the whole beginner can do it utilizing the hints on the Minidial:

Dot Up / Group Down
Dot Proper / Group Left

Brightness Adjustment

The SMS sight options computerized brightness adjustment, which is handy because it eliminates the need of manually tweaking the dot brightness based mostly on ambient gentle situations. Nonetheless, the one downside I discovered is if you find yourself taking pictures from shadow in a vibrant day, then you might have considered trying a brighter dot.

Backup or Further Sight for a Rifle (AR-15)

As a sensible shooter (IPSC) myself, I’ve used it as a further sight for competitions. It serves two functions.

First, it lets you shortly hit shut targets with out adjusting the first optic sight. This considerably saves time throughout transitions from distant targets to close by ones.

Second, it really works completely when you want to hit the hidden goal on the left aspect of the barricade. It saves loads of time and eliminates want of transition to a weak shoulder.

Additionally, it is among the greatest backup sights which might save your day when one thing goes incorrect along with your main optic. Mild weight and compact measurement make it virtually invisible. All you want is a forty five diploma offset picatinny rail to connect it to your rifle.

AR-15 SMS Sight

Foremost and Further Sights for a Pistol Caliber Carbine (PCC)

Pistol Caliber Carbine is a very fashionable kind of firearms now. It was added to IPSC and there are loads of competitions around the globe.

I’ve used SMS sights on my Inter Ordnance for a very long time. Once more, as you’ll be able to see, I exploit two sights to assist me after I shoot targets from unstable positions.
They’re compact, light-weight, so there’s no downside having a number of of them.

The one downside with open sights is that you simply can’t use them throughout rain or snow. It occurred to me on a coaching as soon as. A snowflake fell immediately on diode and dot disappeared.
Should you want a crimson dot sight for heavy situations, then Defend SIS will higher fit your wants.

Shield SMS Sights on a PCC
(This setup might look humorous but it surely actually helps getting that tough goal with out transition to weak shoulder)

Sight for Shotguns with Vent Rib

Quite a lot of shotgun shooters began on the lookout for crimson dots when IPSC guidelines have been modified and digital sights have been allowed in Modified division.

SMS or RMSx (it is going to be described under) fits wants of shotgun shooters. It may be put in on any vented rib utilizing the particular mount.

It’s useful improve not just for competitions, however for looking too. You possibly can select considered one of a number of reticles accessible from dot to ring with dot.

Benelli M2 with Shield SMS Sight
(My pal utilizing the SMS sight on his Benelli M2 for the primary time)

Time has proven that 12 gauge recoil is one thing Defend sights can deal with with none issues.

Benelli M2 with Shield SMS Sight

Polymer Shotgun Mount for SMS/RMS sights will be changed with customized aluminum mount which is extra dependable and holds sight in place beneath heavy shotgun recoil higher.

RMS Compact for Handguns

That is slimmer model of the RMS sight for such handguns as Glock43, Smith & Wesson protect, and the 1911.
Aside from that you’ve got all of the options which customary RMS sight supplies.

RMS and RMSc Comparison
(RMS and RMSc Comparability)

RMSc offers loads of benefits when mounted on an on a regular basis carry (EDC) handgun. It permits sooner and extra exact goal acquisition. That is significantly helpful in high-stress conditions the place split-second choices matter. It’s product of aluminum and have rugged design to make sure dependable efficiency in varied situations.

Shield RMS Compact for Handguns

Shield RMS Compact for Handguns

Shield RMS Compact for Handguns

You possibly can select 4 or 8 MOA dot.


Designed for competitions, for shotguns, rifles or handguns. The attention-grabbing factor is that you may get the RMSx sight in several colours.

  • RMSx stands for Reflex Mini Sight with XL lens.

It has aluminum physique and big lense (80% larger than common RMS lense) which was particularly designed for aggressive shooters.
XL lense permits sooner aiming, goal acquisition and transitions from one goal to a different. Due to its excessive thinness, the body is sort of invisible whereas taking pictures.

Shield RMSx Sight

It has all the benefits of the SMS and RMS sights: computerized brightnes adjustment, compact measurement and light-weight weight.

Glass Version which I used to be testing is extra immune to scratches. Cleansing and upkeep can also be simpler for me. I’m utilizing sight with 65/2 MOA Ring and Dot RMSx reticle which is nice not just for shotguns however for pistol caliber carbines too. I’ve discovered it very good when taking pictures at each paper and steel targets.

That is my new favorite sight for sensible taking pictures. Whether or not it’s a Pistol Caliber Carbine or shotgun, I prefer it! The lense is large enough to allow you shoot as quick as doable.
The standard of lense is ideal, I can have a transparent image and deal with taking pictures.

RMSx Reticle
(65/2 MOA Ring and Dot RMSx reticle)

It’s also possible to select 4 or 8 MOA dot.

RMSX on Pistol Caliber Carbine

Area of view is greater in comparison with Defend SMS and allows you to shoot sooner. I’ve changed my SMS sight with the RMSx sight and instantly noticed the distinction.
Larger lense made my first shot, transitions and general efficiency higher. It even makes taking pictures from unstable positions simpler (for those who don’t have the extra canted sight).

Shield RMSx Sight on Vented Mount

RMSX on Shotgun Vent Rib

SMS was good for shotguns however RMSx is ideal. It’s small and low profile and allows you to shoot targets simple and quick. You possibly can swap from common fiber optic sight to RMSx actually quick. The migration is simple as a result of shouldering, place of your head and different issues are virtually the identical.

Capturing slugs is less complicated than ever! With a crimson dot you’ll be able to hit targets on an extended distances a lot sooner.

So, it’s excellent alternative for Modified Division in Sensible Capturing (IPSC).

RMSX on Shotgun Vent Rib

RMSx sight can face up to the heavy 12 gauge recoil and I’m certain that it’ll work for a few years and 1000’s of photographs.

The design can also be very good and I like the way it appears to be like on my firearms.

Defend Sights Crimson Dots Evaluate: SMS2, RMS, SIS2, RMS, RMSx, RMS Compact: Handgun, Rifle, Shotgun Receive US Obtain US


Heavy obligation sight for rifles or pistol caliber carbines (AR-15, AR-9, MP5, and many others.)

SIS2 stands for Switchable Interface Sight, model 2.0. The sight has 4 switchable reticles (1 or 4 MOA dot with or with out 65 MOA ring of dots) and auto or guide brightness adjustment settings with two buttons.

That is the additional improvement of the CQB/CQS sights. Closed sight design fully enclose the diode in a steel casing defending it from harm, filth or water. This sight is rock strong and you could find torture check on YouTube. Sight works in any situations and might face up to loads of abuse.

Select this sight for those who plan to make use of it in harsh situations and wish to have extra reticles or guide brightness adjustment.

Shield SIS2 Sight

Set up
Picatinny rail adapter included. So you’ll be able to set up it in your gun immediately.

You need to use any screwdriver or coin to zero your sight with particular slots for elevation and windage.

HK MP5, MKE T-94, Zenith Firearms ZF-5

I at all times needed to have a compact crimson dot sight on my MP5 pistol caliber carbine. However all of the mounts in the marketplace have been large and ponderous.
This new mount from Defend Sights is implausible. It’s simply attaches to the firearm, it’s low profile and compact.

One of the best sight for such dependable gun as MP5 is a SIS sight for my part. MP5 is a gun for dwelling protection or tactical use, so it want the extra dependable sight doable.
This SIS sight is ideal for this function.

Shield SIS on HK MP5 Mount

MP5 Shield SIS Co-witness
(MP5 Defend SIS Co-witness)

When put in with HK MP5 Mount you should utilize each reflex sight and iron sights. This function is nice for those who harm your sight one way or the other or when battery depleted disabling the reticle.
This makes MP5 and SIS setup much more dependable.


I can advocate Defend Sights for a lot of functions, from competitions to dwelling protection. There are loads of totally different fashions accessible and I hope that this overview will assist you to decide on the appropriate one.

Benefits of the Defend Sights

Clear, high-quality lense
Lenses on sights are clear and don’t have any distortion or tint.

The sights are at all times on
When in pressing want of taking pictures, with no time to press the facility button or alter the dot’s brightness you don’t want to fret. The Defend sights are at all times on, simply take away the cap and you might be able to shoot. Additionally, they alter brightness mechanically saving you time.

Battery life:
All 1, 4 & 8 MOA mini sights – 2 years
65/1MOA mini sight and the SIS – 1 12 months

Sights are compact
All sights are small and low profile enabling you to put in them on any firearm. That’s why they’re utilizing a CR2032 lithium battery.

They’re light-weight
They add nearly no weight.

I had about 500 photographs on my new RMSx sight and several other 1000’s on my SMS sights. They maintain zero and actually enjoyable to shoot.
Defend sights are dependable and have superb fame. I had minor downside with considered one of my sights but it surely was repaired shortly.

So if one thing goes incorrect, you’ll be able to at all times contact help and get that downside mounted.

Disadvantages of the Defend Sights

Polymer lense was simple to scratch
This downside was mounted when Glass Version got here out.

You should take away sight to interchange the battery
Probably not an issue for me. I can do that when a 2-3 years.

Excessive worth
Value will be in comparison with worth of different sights. However keep in mind that sight is made in UK and you’ve got Restricted Lifetime guarantee on supplies and workmanship and seven 12 months guarantee on electronics.

Extra details about sights and ordering: Official Shield Sights Website

Defend Sights Crimson Dots Evaluate: SMS2, RMS, SIS2, RMS, RMSx, RMS Compact: Handgun, Rifle, Shotgun Receive US Obtain US

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