An In Depth Look At The Trijicon SRS
Trijicon has made a name for itself by pushing the limits on what firearm optics are capable of. Their sights are always innovated in design and functionality, leading to some of the most popular products in the military and civilian industries today.
Trijicon’s latest sight is no different and continues this trend forward. The Trijicon SRS, or ‘Sealed Reflex Sight’, has a handful features that make it unique, even compared to their other well known models.
Trijicon SRS – 1×38 Sealed Reflex Sight
A scaled up tube diameter paired with an average body length gives the SRS a thick-and-stout appearance. However, it remains compact with no external adjustment turrets or battery compartment and leaves nothing exposed to snag on gear or break off.
The increased diameter size houses its 38mm objective lens – one of the largest on the market. Most red dot sights utilize at standard 30mm lens, so an increase to 38 is a big leap that brings its advantages.
The major benefit here is that the Trijicon SRS allows for a wider field of view to be observed when looking through the sight: 69 ft. at 100 yards with a 4 inch eye relief. Compare that to the Aimpoint PRO which has a FOV of 30 at 100 yards.
The SRS’s large size works to minimize the ‘tube effect’ that shooters have come to deal with when running a dot sight. In case you’re not familiar with the term, this refers to when it feels like you’re looking at a target through a soda straw; your peripheral vision cut off by the tube’s walls.
A wider FOV opens up the target area down range for better situational awareness, letting the shooter see not only their target but more of its surrounding environment. Knowing whats happening all around you, even when looking down sights, is key to any gunfight, so anything that improves situational awareness is a plus.
Its optical design delivers a bigger objective lens without having to increase body length. It comes in at 3.7 inches long, which is fairly standard for dot sights, and still leaves plenty of rail space for other gear.
There are two integrated mounting options available for the Trijicon SRS, either a thumb screw version or a quick release version. Both make for a solid rail connection and are great for holding their zero through repeated use. With the quick release the sight body easily detaches from its mounted base plate with the the use of a locking lever.
The SRS housing is constructed from 7075-T6 aircraft-aluminum-alloy that is built to hold up in the toughest conditions. This is the same material used in Trijicon’s ACOG sight which is routinely used in combat situations by the military. Also like the ACOG, the SRS is dry nitrogen filled to prevent any lens fogging, and is waterproof up to 50 meters.
A parallax free 1.75 MOA red dot makes up SRS’s reticle, which is a good size for precision shooting. You’ll be able to get tight groupings out to a couple hundred yards and put rounds exactly where you want them within 100 yards.
There are 10 available brightness settings that range from night-vision compatible to super-bright that are controlled by pushbuttons on the sight’s body. With this, the reticle is viewable in any lighting conditions and won’t ever get washed out against a bright background.
Unique Power Source
Trijicon sights have a history of utilizing multiple types of power sources to illuminate their reticles. The company knows that an illuminated reticle is only good when its turned on and bright, so these different options were created to make sure their sights stay operational for long durations in any lighting condition.
From Trijicon we’ve seen everything from batteries, to tritium capsules, to fiber optics, to combinations of these. The Trijicon SRS adds another power source to this list as it uses an integrated photovoltaic cell to provide supplemental energy along with a AA battery to power its internal LED. The cell works as a mini ‘solar panel’ that wraps around the top part of the housing tube and, during the daylight, collects ambient light to generate power.
The battery operates as the main power source only in low-light conditions, but as long as there is sufficient light incident on the cell it will have enough energy to power the reticle by itself. The means less draw on the battery during standard usage that leads to a 2.5-3 year batter life; pretty good for a single AA.
Is There Reticle Issues?
Do a little research on the SRS and you’ll find a handful of shooters mentioning their issues with the SRS’s reticle. There is a common complaint that under certain lighting conditions there is a reflection of the sight’s internal electronics that becomes visible around the reticle. It’s reported to happen mostly when the sun is at an angle in front of the sight.
Trijicon has acknowledged this issue stating that internal reflections are a “common issue amongst all reflex-style red-dot sights, to varying degrees”, and that it is the SRS’s wider FOV that makes it more susceptible. They state that this is a tradeoff that comes along with the added benefits that the wider FOV provides.
The severity of the problem depends on who you ask. Some shooters report that it hardly happens enough for them to give up on the sight, and that the reflection is so minimal that it doesn’t affect their shooting. On the other side, some shooters have found their SRSs to be unusable due to this. You’ll tend to hear more from the ones with severe problems because they’ve got the most reason to post about it, but there are still plenty of happy SRS users out there.
Trijicon has been rumored to have reduced this issue in the latest versions of the sight by using a different internal coating on the lens. However, if you find that your SRS still suffers from it there are a couple things you can do. First is take advantage of Trijicon’s lifetime warranty on all its optics which allows you to send it back to them to make any necessary fixes. The other options is to invest in a Trijicon Killflash ARD which threads into the objective end of the SRS and reduces any reflections or glare off the lens. This does help to minimize the issue, but you have to get used to looking through the ‘screen door’ that the ARD’s patterned mesh creates.