Review: Primary Arms GLx and SLx Binoculars


Hunting is, at its core, a recreation of persistence and resolve. A hunter will doubtless spend a big period of time observing their prey earlier than a shot is ever taken. It takes ability and remark to outsmart wild animals, and a very good pair of binoculars is a necessity.

Main Arms affords many nice choices in the case of inexpensive optics that ship stable efficiency. This overview takes a have a look at two of its binoculars.

Lately, Main Arms debuted two units of binoculars on the 2023 SHOT Present in Las Vegas. They reached out to us and requested for some suggestions on their new binoculars, wanting us to attempt them out on a few of our hunts.

What’s New?

The 2 new 10x42mm binoculars from Main Arms are the GLx and SLx. Frankly, the world of binoculars is flooded with choices starting from budget-friendly to high-end Swarovski models which price greater than some people’ vehicles.

With the 2 new choices from Main Arms, the corporate strove to supply spectacular high quality at two very cheap worth factors. The GLx 10×42 binocular retails for $259.99, and the SLx is available in at $129.99.

using the primary arms binos in the field
The creator examined each the GLx and SLx binoculars within the discipline. Each provide nice options and efficiency of their worth classes.

Out of the gate, we are able to let you know each the GLx and SLx binoculars compete with different well-established firms in the marketplace. In actual fact, in our opinion, the GLx binos ought to price nearer to $400 when you evaluate them to different choices in the marketplace.

Whereas there are various that really feel you have to spend into the hundreds to get acceptable high quality binos, not everybody wants (or can afford) that stage of optic. For the common midwestern or whitetail hunter, spending that a lot on glass is a waste of cash.

comparing the primary arms binocular models
Every of the Main Arms fashions is distinctly completely different from the opposite by way of options and look.

We really feel nice glass can nonetheless be achieved at decrease costs if finished proper. With the Main Arms GLx and SLx 10×42 binoculars, there’s worth the place the common hunter can have every little thing they want, with no excessive price ticket.

What’s Included?

When unboxing the GLx and SLx, you’ll find a skinny, mushy case. We’ll be trustworthy, with us, a mushy case like that is typically discarded and the binos are instantly thrown right into a bino harness like our Pnuma Outside Bino+ Tech Harness.

primary arms glx binos
Hunters typically overlook binoculars, however they could be a vital addition to anybody’s discipline equipment.

The Main Arms binoculars will even embrace a padded lanyard and lens cleansing fabric. Ocular and goal lens covers are included, however these additionally fall into the “toss them” class for us because the binoculars will go in an enclosed harness. In abstract, when you have ever bought binoculars earlier than, you’ll get the identical in-the-box stuff to which you might be accustomed.

How Do They Differ?

So how are the GLx and the SLx completely different to warrant the value distinction? To begin off, I regarded out over our hayfield the place deer often stand, and I may inform the distinction in glass readability between the GLx and SLx binoculars. Even at 700 yards, the GLx produces a really brilliant and crisp picture. The colours throughout the GLx glass are spot on as I checked out a bluebird at roughly 300 yards towards the inexperienced grass. Now with the SLx, they’ve a brilliant picture, however there’s an ever so slight “fuzziness” to the picture at a distance. Nonetheless, the SLx is roughly half the value of the GLx — and each are fairly moderately priced.

Outdoors of glass high quality, the knurling on the main target and diopter is pronounced and “knobby” with the GLx set of binoculars. This SLx has a less-aggressive texture that also works properly. Nonetheless, we most popular the GLx’s texturing as it’s nice for gloved arms or chilly, numb fingers.

Main Professionals (and Cons)

The construct high quality appears fairly good on each units from Main Arms, and each have rubber-coated magnesium alloy our bodies. With that being mentioned, I’m frankly not that involved with longevity. Why? Because of the Main Arms lifetime guarantee.

testing the primary arms binos while hunting
Binoculars are an funding. To guard his, the creator makes use of the Pnuma Outside Bino+ Tech Harness.

Whereas we do suppose the SLx binoculars really feel “cheaper” than the GLx mannequin, that’s all relative. To be trustworthy, even with the low worth of $129.99, they really feel nicer and have higher glass than most others at the same worth level. Sure, the GLx ones are higher, however the SLx ones are fairly a deal at their worth.

We did word that with each the GLx and SLx binoculars, the edge-to-edge readability at low gentle had some minor points. Edge distortion turns into noticeable throughout daybreak or nightfall instances. Each binoculars have good gentle transmission, however I can’t say both gathers gentle properly. Usually talking, in our expertise, good light-gathering qualities for binoculars are reserved for these costing $500 or extra.


For us, these new binoculars are an ideal possibility for brand spanking new hunters seeking to get high quality binoculars with out having to take out a line of credit score. Though neither pair may exchange somebody’s $700 Japanese or European glass binoculars, no cheap particular person would anticipate that.

testing the primary arms binoculars
The Main Arms binoculars carried out properly on this overview. For a inexpensive various to different manufacturers, they provide lots of efficiency for the cash.

For the avid hunter who desires an incredible pair of binoculars and doesn’t need to blow their finances, the GLx 10×42 is one heck of a pair of binoculars. The GLx rivals something the opposite producers make of their worth vary. We’d even go so far as to say the GLx 10×42 binoculars ought to price greater than they do for his or her total efficiency.

If we have been to choose between the 2, we predict the GLx mannequin is properly value the additional cash. However when you don’t have the additional cash, the SLx shall be an incredible possibility, too. Main Arms has an intensive line of optics, and these all-new binocular fashions are an incredible addition that we predict will make fairly a splash within the searching market!

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