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Gun Review: GLOCK 40 MOS

Zarvan

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The gun for this review was provided by the Kentucky Gun Company.

I finally got my hands on the much heralded GLOCK G40 MOS, the six-inch, optics-ready 10mm juggernaught. I shot its older, littler brother the G20 as my first entry in my truck pistol series – and found it wanting. As I said in that post, I want to love GLOCKs. I generally find them just okay for the job. I keep trying GLOCKs in the hopes that I may one day find one I can shoot well. I may have found it . . .




GLOCK’s website lauds the G40 MOS as “the ultimate choice in semi-automatic gaming pistol.” When RF handed me case I looked at the box and thought, “Well, they sure aren’t wasting money on packaging.” Gaston’s mob stuffs the 28 oz. long slide powerhouse into the same cheap, bursting-at-the-seams plastic case they use for all their handguns. Opening it revealed a jumbled mass of backstraps, mounts and screws, arranged with all the organization and presentation excellence my three-year-old would muster.



The firearms farrago included a pack of base plates. Like the FNX-45 Tactical, the G40 MOS (Modular Optic System) model lets owners mount a range of pistol optics on the slide with no more trouble than tightening a few screws. So I added Trijicon’s ever popular RMR, a combination featured in GLOCK’s product literature. Unlike the FNX-45 Tactical’s or the S&W CORE series, the G40 MOS’ factory sights weren’t raised. They didn’t co-witness the RMR’s dot with the stock sights. Close, but not quite perfection.

RMR on MOS, I was ready to shoot. One problem: the three magazines supplied were conspicuously empty, and proved to be surprisingly difficult to fill. In a tragic reversal from my STI Nitro 10 review, I had plenty of magazines and no ammo. Cheap 10mm ammo wasn’t to be found, so I shelled out the cash for 200 rounds of the better to very good stuff. My supply included HPR, two different Hornady loads, and some DoubleTap ammo. Lesson learned, again, for the third time: if I choose a 10mm for my perfect truck pistol, I’mreloading my own.

To the range!

The only GLOCKs that fit my hands well are the full-frame models, and this one was no different. The gun still doesn’t point naturally for me, but man, the G40 MOS’ grip feels good. One-handed, I get a strong grip all the way around the gun. The raised dots, the material itself and the finger grooves gave me a solid lock on the frame. This and a good rest made zeroing the RMR a breeze; I got ‘er done in six rounds.

Because the gun felt so good in my hand, I put a few magazines down range one-handed. At 15 yards, right or left handed, this G40 MOS is the best shooting of the higher powered pistols I’ve ever shot. Shooting right handed, one shot per second at 15 yards on a 5 ½” plate? Easy. And that’s with a 10mm handgun. I don’t shoot this well one-handed with my Wilson Combat WC92FS in 9mm.



Backing up to 25 yards, the problem I suspected would occur when I zeroed the gun revealed itself in full force. The dot was too big to be accurate. Fast, yes. Accurate, no. The dot size on the RMR obliterated the 5½-inch target at the 25 yard line. As this was the minimum distance I’d be shooting at, I reluctantly removed the RMR – and was instantly rewarded for doing so.

GLOCK haters of the world note the 2” groups at 25 yards I shot with the G40 MOS resting against a makeshift bean bag on a stump. From the kneel, I was shooting regular 3- to 3.5″ groups with anything I fed it. Don’t get me wrong. The 10mm GLOCK still didn’t point naturally. If I was to shoot and just guess at the accuracy of the round, I would have said 5”. I was fighting the gun, and I felt like it was all over the place. But it wasn’t. Those little paper holes don’t lie.



AT 25 yards, the most accurate round, for once, was not the Double Tap. That 200gr FMJ Flat Point round shot a 2¼” group, plenty good for any game in the Texas Hill country out to 50 yards, maybe more. The Hornady 180gr XTP round shot a 2½” group and Hornady 175gr Critical Duty round scored a 2¾” group. The best of the bunch: a 2″ group using HPR’s 180gr JHP. Of all of those, I’d stick with the Double Tap flat point round for hunting, purely for penetration. But as none of these groups were shot from a bench,any of those rounds are good enough for hunting.

Ever wonder why Pennsylvania long rifles had such long barrels? It’s a lot easier to aim precisely when you have more than three feet of distance between your sights. The same principle applies here. That G40 MOS’ 6-inch slide buys you a lot of real estate between the sights. In fact, the G40 MOS is a full 8.9″ from the front sight to the back – more than two inches longer than the G20. Plus, all that weight up front soaks up recoil in an otherwise not-so-heavy gun.



Good Lord I’m going to get some hate for this, but the G40’s trigger ain’t that bad at all. Their website says that it’s 5.5 lbs. It’s every bit of that but it’s a smooth pull with very little grit and none of the stacking or squishyness I’ve come to expect from GLOCKs. The reset is one of the best I’ve ever fired in any gun, including many 1911s. Short, crisp, very solid and right there. I’m sure that went a long way to the ease of the one-handed shooting I noted before. Whoever at GLOCK worked on the reset, please call FN and show them how to do it.

At 50 yards, shooting off a bag on my truck’s hood, I didn’t do so well. I shot the G40 MOS on two different days, and this was the second day. The best I could muster: 50 percent on a 6” target. That’s not good, but considering how well it did at 25 yards, I’m guessing it was user error. My better groups were sub 3” at 25 yards, so I would have thought more would be in the target zone at 50 yards. What can I say, some days the bear eats you.

What disqualified the FNX-Tactical from the truck gun contest – my search for a gun that can ethically harvest game and conceal carry around town – is also a problem for the G40. On a 1911, a 6” slide looks long. On this GLOCK, it looks like a harpoon over the trigger guard. The large frame is already hard to conceal; that runway-length slide makes it almost impossible. Almost.

I do a bit of leatherwork and I mocked up a few holsters for the G40 MOS. With a light jacket and the right cant, the 10mm GLOCK is reasonably concealable. But – hidden like that, I’d never be able to draw it when seated. And not quickly from any position. That doesn’t detract from how well the gun performed, but it does put it does make it questionable as a truck gun contestant.

I still think every American should own a Toyota Corrola and a G19 at least once in their life, just to see that “good enough” really is pretty good. But the G40 MOS shoots like a different beast altogether. It’s the first GLOCK I’ve shot particularly well. If I can figure out a way to holster it, it will have taken the STI Nitro 10’s place as front runner as my co-pilot.

Specifications – Glock 40 Gen4 MOS

Caliber: 10mm
Operation: Double-action
Magazine: 15 rds.
Weight: 28.15 oz. (empty)
Barrel Length: 6”
Overall Length: 9.49″
Sights: Fixed 3-dot
MSRP: $799

Ratings (out of five stars):

Style * * *
I don’t like the way GLOCKs look and this one is no different. I don’t know whether to take a star off or add one for the plank-like slide.

Customization * * * *
The gun includes backstraps and the optics mount, which is great. The lack of an option for nightsights that would co-witness and a threaded barrel (why not addanother ½” at this point) would give it a five-star rating.

Reliability * * * * *
It’s probably unfair to give the gun any kind of reliability rating with only 200 rounds through it. But I had zero malfunctions of any kind while firing in any position with any ammunition I used.

Accuracy * * * *
Once the RMR was removed, very good. And plenty good enough for hunting in the thickets. The trigger reset is exceptional.

Overall * * * *
If you’re looking for a relatively inexpensive hunting gun, it would be hard to go wrong with the G40. Taking anything up to black bear, I’d be confident with this gun out to 50 yards with any of the rounds I shot. The ability to carry a lightweight pistol and still put 15 rounds of 10mm down into the breadbasket at reasonable handgun hunting distance makes this a powerful tool indeed. GLOCK nailed this one.

The gun for this review was provided by the Kentucky Gun Company.

http://www.thetruthaboutguns.com/2015/10/jon-wayne-taylor/gun-review-glock-40-mos/
 
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@Arsalan @Khafee @AUSTERLITZ @nair @Horus @Oscar

Glock 40 MOS Review
By: Eric Conn | October 29, 2015



GLOCK-40-MOS-Review-2015-Lead.jpg

PHOTOS BY ALEX LANDEEN

Glock’s G40 Gen4 MOS proves that adding a reflex sight to a high-capacity, high-power handgun doesn’t have to be a costly, cumbersome ordeal.
GLOCK-40-MOS-Review-2015-3-300x200.jpg
Cats typically get all the credit for their quick reflexes, but lately it’s been Glock that’s shown a snappy response to the ever-burgeoning demands of the consumer. The big splash this summer was the release of the long-awaited G43, a single-stack 9mm that’s been flying off gun store shelves. The other main introduction was the Modular Optic System (MOS), which demonstrates how quick and easy it is to get a reflex sight on a handgun.

The MOS, which is currently available on the Gen4 versions of the G34, G35, G40 and G41, is an adaptable plate system that comes factory-built into the slide and allows shooters to mount popular reflex sights to their handgun without aftermarket machining or a custom slide. In addition to the preinstalled cover plate, each MOS variant handgun comes with four plates to match common configurations: EoTech/Docter/Insight/Meopta; Trijicon RMR; C-More; and Leupold Delta Point. The G40 Gen4 (10mm Auto) featured in this review is the slight exception and comes with wider adapter plates to accommodate the increased width of the G40 slide.

The beauty of the MOS configuration is a combination of simplicity and monetary savings. The G40 Gen 4 MOS retails for $840, which compared to the cost of an aftermarket slide or custom gunsmithing is relatively inexpensive. The other advantage of the MOS is that it comes optic-ready right out of the box, and the process of installing the correct plate is accomplished in minutes.

A More Perfect Union
GLOCK-40-MOS-Review-2015-2-300x200.jpg


The wedding between the G40 Gen4 in 10mm Auto and the MOS is ideal because it unites a powerful semi-auto made for hunting with a reflex-ready configuration, thus extending the range and effective accuracy of the gun. While many product introductions in the firearms industry represent solutions to problems that never existed, this one makes perfect sense.

Unlike traditional iron sights, which require shooters to focus on the front sight while aligning it with the rear sight and an out-of-focus target, a reflex sight allows you to focus on the target and a single red dot of varying size or brightness on the same focal plane. This simplifies and speeds up target acquisition and allows shooters to stay focused on the target the whole time. It also permits the shooter to keep both eyes open even when shooting at distance—a huge advantage in defensive and hunting situations because it allows the shooter to process and respond to everything that’s happening in the field of view.

Practically speaking, the G40 Gen4 is more readily applicable to hunting than to self defense, simply because of its size. Sure, it’d fit in a shoulder holster under a jacket or next to the bed, but realistically, a 40.14-ounce (loaded) handgun that’s 9.49 inches long is probably not going to be the first defensive handgun choice for most shooters. For hunting, however, the 10mm Auto with reflex sight is an extremely formidable option.

The 10mm Auto was developed largely by Col. Jeff Cooper, of Gunsite fame, who sought to make the ideal combat weapon and cartridge. The 10mm Auto was introduced in 1983 in the Bren Ten semi-auto pistol, which was based on the CZ-75 (see page 50). A Norma factory-loaded 170-grain JHP (jacketed hollow point) travels at 1,340 fps with 680 ft.-lbs. of energy at the muzzle, which in turn translates to rather fierce recoil.

The FBI adopted the 10mm in reduced loads for a time in the 1980s, but initial problems with gun design and ammunition price ended its run. Today, the 10mm Auto remains in production with about 100 fps less than original loads, putting it ballistically on par with .45 Auto +P loads. Especially with new loads from Hornady, HPR and Federal, the 10mm Auto has more than enough stopping power to be effective on small- to deer-size game.

Paired with a quality reflex sight, the Glock-standard, 5.5-pound trigger makes for reasonably good accuracy, as does the 6.02-inch barrel. Fifteen-round Glock magazines provide extra durability and reliability, as well as plenty of follow-up shots for thick-skinned hogs or charging bears. Four interchangeable backstraps provide increased comfort and ergonomics.

Perfectly Plated
GLOCK-40-MOS-Review-2015-4-198x300.jpg


The G40 Gen4 MOS comes with a cover plate installed, as well as a package containing four brand-specific adapter plates and a hex wrench. Installation instructions are helpful and to the point, perfect for guys like me who barely read them anyway. I installed a Trijicon RMR for review, which took about two minutes total.

The only issue I had was that the RMR, which had previously been set atop an AR-type mount, came with screws that were too long for the Glock adapter plate. I could have purchased the right screws, but chose instead the MacGyver route by taking a hacksaw to the oversized screws. Crude, but it worked like a charm.

Performance
Accuracy testing was conducted from a rest at 25 yards atop Champion sand bags. Measurements were taken from five-shot groups using Hornady 155- and 180-grain XTP (eXtreme Terminal Performance) loads, as well as HPR 165-grain HBFP (hollow bottom flat point) and 180-grain JHP (jacketed hollow point) loads. Velocity was measured with a Competition Electronics ProChrono chronograph from Brownells.

Hornady’s 180-grain XTP produced a best group of 2.4 inches, while HPR’s 180-grain JHP produced a best group of a nearly identical 2.42 inches. Hornady’s 155-grain XTP posted a best group of 2.97 inches, while HPR’s 165-grain HBFP produced a best group of 2.56 inches and an average of 2.69 inches. Overall, the loads were very consistent across brands, lighter bullets performing slightly less well in the accuracy department than the heavier 180-grain loads but still very respectable. Velocity was also very consistent, with standard deviations of 8 and 9 fps for Hornady 180- and 155-grain, respectively, and a standard deviation of 4 and 8 for HPR 180- and 165-grain loads, respectively.

Parting Shots
The Urban Dictionary may one day have an entry for “Glock-like Reflexes,” thanks to the company’s ability to adapt and respond to the needs of the market, on the one hand, and the ease with which reflex sights can now be added to select MOS-model handguns, on the other. The MOS is as good as advertised and makes simple, cost-effective work of adding a reflex sight to the G40 Gen4. Paired with the mighty 10mm, and in this case the Trijicon RMR, it makes for a rugged and accurate hunting handgun.

GLOCK-40-MOS-Review-2015-5-300x200.jpg
Glock saw a real need and addressed it with the MOS, which is another gem in the company’s playbook. Like the polymer, striker-fired design that changed handguns forever, the MOS will likely be the wave of the future. The G40 is ideal for hunting, optic-ready, and would make a solid defensive weapon in a pinch.

GLOCK G40 GEN4 MOS
Caliber: 10mm Auto
Type: Semi-Auto
Barrel: 6.02 in.
Overall Length: 9.49 in.
Frame: Polymer
Weight: 28.15 (unloaded); 40.14 (loaded)
Trigger: 5.5 pounds
Sights: Glock factory
Magazine: 2, 15-rds.
MSRP: $840
Manufacturer: Us.Glock.com

This Glock review appeared in the September 2015 issueof Gun Digest the Magazine. Click here to download the full issue.

Related Video: Glock 40 MOS 10mm Review & Torture

http://www.gundigest.com/guns/glock-40-mos-review
 
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It shot 10mm Auto. Which mean it was ban in Australia.........

Sha-la-la-la-la........Moving on....
 
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Glock 40.....The "heavy artillery" of pistols!!
In my opinion, anything larger than a .45 cal is overkill, and an overkill that is not worth the money.

I tell my G/F that for very personal protection, as in dark room personal, keep a 'wheel gun' by your side. So I got her a .38 six shooter. The weapon is simple to use and in a room, that distance requires only the minimum of firearms training. I learned from a weapons instructor and armorer for Halawa High Security Correctional Facility, that if a man/woman does not drop after six .38 rounds, most likely he will not drop at the seventh. At this point, you will be engaging in hand to hand combat. Hopefully, with six .38 cal bullets in him, the woman will be able to fight him off with his injuries.

What this mean is that a .40 or .45 cal is more than adequate as a pistol caliber, even for the police. I grew up with 'Dirty Harry' with his .44 Magnum and know not one officer who would carry that weapon on patrol. The USAF Combat Controller and Pararescue guys that I knew when I was active duty, they carry .40 cal as sidearms, if any chose to carry such. Myself, I have an Steyr M40 and it is an excellent weapon. I love that triangular sight design.
 
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In my opinion, anything larger than a .45 cal is overkill, and an overkill that is not worth the money.

I tell my G/F that for very personal protection, as in dark room personal, keep a 'wheel gun' by your side. So I got her a .38 six shooter. The weapon is simple to use and in a room, that distance requires only the minimum of firearms training. I learned from a weapons instructor and armorer for Halawa High Security Correctional Facility, that if a man/woman does not drop after six .38 rounds, most likely he will not drop at the seventh. At this point, you will be engaging in hand to hand combat. Hopefully, with six .38 cal bullets in him, the woman will be able to fight him off with his injuries.

What this mean is that a .40 or .45 cal is more than adequate as a pistol caliber, even for the police. I grew up with 'Dirty Harry' with his .44 Magnum and know not one officer who would carry that weapon on patrol. The USAF Combat Controller and Pararescue guys that I knew when I was active duty, they carry .40 cal as sidearms, if any chose to carry such. Myself, I have an Steyr M40 and it is an excellent weapon. I love that triangular sight design.
I think good for Military and Intelligence service
 
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