The .45 GAP Experience

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cstarr3

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The following was written shortly after I purchased a Glock 37, in late April last year. Enjoy. I have also posted it on Calguns.net.


“It doesn’t do anything the ACP doesn’t do…”
“I can’t buy a box at Wal-Mart…”
“It’s a solution in search of a problem…”

There are probably a good number of excuses out there of why people don’t like the .45 GAP. But many people go one step further, and lambast those of us who own, or even wish to experience shooting a gun chambered in .45 GAP. Yes, one thread I read (on which forum, I don’t recall) had somebody gleefully hoping that a day will come when all Glock 37 owners will have to sell their GAPs at severely discounted prices because nobody will want them. So, why the .45 GAP hate?

The purpose of the GAP is clearly stated: a .45 caliber round that duplicates .45 ACP ballistics that can be shot out of a 9mm frame design.

Compare that to the purpose of the ACP: a .45 caliber round that duplicates .45 LC ballistics that can be shot out of a semi-auto design.

So their intended purposes are quite similar. The first major difference is that the ACP is older. This means it operated at lower pressures and has had the opportunity to prove itself in war. By corollary, the .45 ACP has been able to accumulate many shooters, followers, and outright fanatics. The last in this group, the fanatics, are truly that. We all like the .45 ACP, but we also all know somebody that thinks that if you aren’t shooting .45 ACP, than you might as well be throwing jellybeans at an attacker. For a very good perspective on this, I suggest watching Mr. Colion Noir’s entertaining and astute YouTube video, “.45 acp Guns and The People Who Carry Them (Full Video).”

The second major difference is in the ability to meet their design parameters. The GAP usually comes in a very close second to the ACP in head-to-head ballistic matches, but still holds its ground well. The .45 Long Colt, though, is far superior to the ACP in terms of energy. The Long Colt can often push heavier bullets at faster velocities than the ACP. Thus, the GAP actually wins that bout.

Now let’s take a look at capacity. I have heard how ridiculous the Glock 37’s capacity is, considering the Glock 21 has a 13 round standard capacity. Now, as far as I go, I live in Kalifornistan, so it is a moot point for me. But for the ACP die-hards, does the 7-round 1911 seem neutered compared to the Glock 37 for having three less rounds?

I wish that there was a gentle way to put this, but there isn’t. I think that the hate for the .45 GAP comes mostly from .45 ACP fanatics, and is rooted in the fact that no argument against the normal ACP competitors (9mm, .357 Sig, .40 S&W, and even 10mm), can really be levelled against the GAP. The only real arguments they have against it are the ones 9mm carriers have against the ACP: capacity and price.

I will, however, concede on the issue of availability. For starters, finding ammo is pretty hard. But then again, so was finding .45 ACP (or anything else) about a year and a half ago. But part of that is supply and demand. If ACP carriers were to all switch to GAP, then by next month Wal-Mart would be carrying GAP, and most manufacturers would be producing it. Economies of scale would kick in, and prices on GAP would fall, likely to around the same as the .45 ACP.

All this being said, I decided to buy a Glock 37. To those who are about to whine and ask why I didn’t just buy a Glock 21… I didn’t buy one because I already own one. Other reasons for buying the 37 is that I can get aftermarket slides and barrels to convert it to .30 Luger, 9mm, .357 Sig, and .40 S&W (I currently can run .38 Super, 10mm, .400 Corbon, .40 Super, .45 ACP, .460 Rowland and .50 GI off of my 21 frame). A few stores in town had GAP ammo, but most of it was defense ammo, and priced accordingly. When buying from a local store, I asked for some .45 GAP, and they asked “You got suckered in to buying one of those?” So, the GAP hate pervades at many levels. The ammo certainly is harder to find and more expensive. But to a guy who shoots .50 GI (manufactured and sold exclusively by Guncrafter Industries), it is nice to have a somewhat exotic caliber that can still be bought locally.

The one exterior difference that distinguishes the Glock 37 from the 17, 22 and the 31 is the flared slide release. The slide is obviously going to be a little wider to accommodate the wider barrel, and it must be thicker to handle the heavier recoil. However, this poses a problem for Glock’s K.I. S.S. design philosophy in that it would make accessing the normal style slide release quite difficult. This flared slide release is actually kind of a plus for me, as I have never been a fan of the Glock slide release. It is also nice for anybody that may, like me, want to convert to another caliber. The slightly widened catch button will facilitate the operation of the gun in any caliber. For some, this sounds stupid, but you should keep in mind that many people, such as me, have fairly small hands, and twisting one’s wrist to allow sufficient leverage on a slide release can be awkward, but necessary.

The round I was going to be using for the day was Speer Lawman 200 grain hardball (the box looked like it had been on the shelf for quite some time). The GAP tends to have a flat nose bullet, similar to the truncated cone design often found in .357 Sig (or the defunct .356 TSW) or .40 S&W (or the 10mm Auto). I personally am fond of the flat-nose, it makes me feel as though the bullet would simulate JHP rounds better, and perform on targets more effectively, for those jurisdictions that prohibit hollow points (yes, places like that do exist here in the People’s Republic of California).

When I went to the range the first time, I was expecting the gentle push of the .45 ACP. I was a little surprised when I got the rocketing kick of something closer to a 10mm. I grinned with delight. Because I am no stranger to handguns, I decided to shoot a tad faster than normal, still refraining from breaking the range’s 1-shot-per-second policy. Groups probably suffered, but I have no prior experience with this exact handgun, so I can’t really say. The bullets all went in the general direction that I was intending them to go. I did notice that I seemed less likely to jerk, shake or drop the muzzle. I attribute this to the smaller grips that are far more comfortable for my embarrassingly petite hands. Whatever the reason, I shot groups that were an average size of 2.7” at 10 yards. The groups were measured outside to outside of the holes farthest away from each other. Each group consisted of 10 rounds.

I normally buy extra magazines for my guns, but extras for the 37 had to be ordered, and so were unavailable for this pistol’s debut. The magazines don’t cost any more than you would expect to pay over the counter for a normal Glock magazine, i.e., the $25-$30 range. The only problem I experienced in the fifty rounds that I shot was a failure to feed in the second magazine. This actually happened the first time I shot my Glock 21, and I put it down to magazine break-in time. I will watch for issues in the future, though. After all, the .45 GAP is a short, fat little guy, and correct orientation may end up being a more difficult affair than in other thinner or longer rounds. Something else I noticed is that there is a slight rightwards impact on this particular gun. Just a tad, but consistent enough on all groups to justify adding it into the review.

Picking up the cases, I immediately noticed the signs of high-pressure. A minor stamping of the firing pin channel opening was clearly visible, and there was certainly some cratering. Well, that .45 bullet is a heavy thing to push, and there isn’t much powder to do it, so higher pressures are just one of the costs of upgrading from the lower calibers. As far as distance, ejection was rather modest; most cases simply popped back a couple of feet when they were ejected. They certainly did not have an expressed propensity to go on trips to Jamaica, like I experienced when I first shot the .40 Super out of my Glock 21.

Of course, being a Glock, this range trip was nothing spectacular, but it did have me 50 rounds deeper into the dark and pleasant abysses of gun-nut-topia. When asked by the rangemaster how the new Glock was working out, I could summarize briefly: “Big holes, small gun…” With 10 round magazines, in California, what more could I want?

So, what do I think? Any post I put up hints at (usually in a blatant statement) the fact that I am a caliber whore. In the end, so long as it goes boom, I will be more than willing to shoot it. Yes, it gets expensive, but the point of having a hobby is to make sure that you are having fun while stimulating the economy. And If I wasn’t spending it here, I would be spending it somewhere else. But the question persists… do I recommend it?

For those who are not averse to fairly stout recoil, but do not have big enough mitts to wrap around ye olde 21, then I would recommend this. If you are a 103-year old guy who associates the .45 ACP round with all that is good, just, righteous, and American, then you are probably not going to care whether or not I recommend this round (which I do, but mostly because it chaps your *** that I do). Also, if you are that kind of person, you are probably going to stick with the ACP. All in all, I think that the round has a definitive stamp of “O.K.;” nothing mind-blowing, but far from the spawn of Satan that it is usually made out to be.


Updates since I wrote the above review:

When I was purchasing my Glock 37, there was a firearms instructor hanging around the sparsely populated gun store, chatting with the workers. When he noticed that I was buying a Glock 37, he told me that it was an excellent caliber. Something I don’t usually hear out of guys with thinning, grey hair.

When I took my CCW course recently, I used my .45 GAP as my qualifying weapon. There were about a dozen people in the class, most had very little experience with handguns. Some of them had only purchased their handguns recently, meaning that (given the CCW application processing time) these people had been handgun owners for less than 2 months. Of the dozen or so students in my class, the instructor ( a different one than I met at the store the day I bought the gun) only asked to shoot one of the student’s guns; my .45 GAP. He got a few rounds out of it, and told me how much he enjoys the GAP round.

Since then, I have bumped into two other instructors, and both have mentioned that the .45 GAP is a good caliber, on par with any of the popular or semi-popular semi-auto rounds. It seems that firearms instructors are pretty much the only people I have bumped into that didn’t rip the GAP for being stupid, unnecessary, or whatever the derogatory catchphrase of the day was.

I have also shot a few more boxes of ammo, and I am pleased to report that the firearm has functioned flawlessly since I first wrote this review.

Finally, I managed to borrow a Glock 22 upper assembly. I tried it out on my GAP frame, and it executed its functions without any failures. The ejectors are slightly different, with the GAP having a bent ejector, and the .40 S&W having a straight one. So if you happen to be able to purchase a Glock 37, at least you can do so with the comfort that you will be able to convert it to a .40 S&W (or .357 Sig) with your spare change.
 
I too like the GAP, but then I'm a sucker for most 45s.

My 37 & 39 both can be converted to 40 and 9mm and work flawlessly in those calibers also.

Target sports usa dot com has Speer Gold Dot in GAP for less then their price for the same in ACP. Good outfit.

Ammo can be very tough to source locally, that is true. But I hear there are people who buy ammo online. More than that, there are actually people who load their own. Since I do both ammo for my GAPs is plentiful. I even cast for them and they eat it like the candy it is. :)


Cat
 
The one 45GAP I shot was a nice gun. It was definitely a "good shooter", but mostly was just nothing special. It put holes in paper every time I wanted it to, and based on published ballistics, and what my chronograph told me, it'd do fine as combat round.

To me it seems the 45GAP was a solution in search of a problem. That and it looked to me just another abortive attempt to increase gun sales to enhance the corporate bottom line, increase stockholder equity and grow the company. Generally, people didn't buy into all that.

As a hand loader it's a quite interesting round, but the bottom line in that respect for me really is the fact I build, and have built, 45ACP ammunition that does anything a 45GAP can do ... and more. That's just reality

I have a lot of 45 ACP brass. Ever so often I come across a few with a small primer pocket and that is a royal PITA. Same for 45GAP brass ... just one more complication I could live without.
 
I carried my Glock 37 professionally as a cop for 10 years. It's a great gun. I love how it shoots, and it has been insanely reliable (10,000+ rounds on original everything).

One BIG thing I hate about that gun is that the magazine springs are still so tight (even 10 yrs and 10k+ rounds later) that it can be difficult to reliably seat a magazine during a speed reload unless you almost literally punch it in there. There's just too much tension on a full magazine. This also makes loading these magazines a bit of hassle when compared to my other Glocks.

Regardless, the gun gives up nothing to a 1911, but has a lot lower magazine capacity than the Glock 17 I now carry. There are always tradeoffs in life. I caught jokes about having a "diet .45" and other such nonsense for years. Now I catch a ration of it for not having a .45 ACP (I've got a 1911 in my closet that I'm also authorized to carry, but don't). There's nothing wrong with the GAP, but it did largely create a solution for a problem that didn't exist (which probably explains the lack of widespread adoption).
 
I do not own a GAP. Doubt I ever will. I have nothing against it, I just don't see a need for it in my gun collection.
It offers the same solution for .45 ACP that .357 Sig offers for .38 Super.
 
45 gap, 357 sig, 22 tcm, all have thier affecianados. Thats a good thing. Like the OP they have good and valid reasons for thier choice. My retirement job is a few hours a day in a gun store. Boss makes sure we have all calibers on the shelf if at all possibe. He would fire anyone disparaging someones choice of caliber.
God bless all you guys who choose any caliber and get good with it . The world would be a boring place if we all thought alike.
Whatever your choice, use it in good health, and may you round count always be higher than your post count.

I started carrying in 1966, I have seen the 38 guys make fun of the 357 guys. Then the wondernines came along and boy was there resistance, then the 40, came along, more of the same.
Meanwhile the 45 guys remained steadfastly commited. Nothing has changed. Human nature is resistant to change, yet inquisitive, interesting parradox that plays out every day.
 
I'm with Lucky Derby on this one: nothing against the .45 GAP; just don't have any pressing need or desire to have one.
 
Well I came upon a slightly used Gock 39, about the same size as a Glock 26. $380 for the gun.

Haven't got it but I am tempted. I have a bunch of .45 GAP brass. With finger rest and 7/8 round mag not at all bad a carry piece.

But I use a Glock 26 and it works fine.

Deaf
 
I am a big fan of my own Gen3 Glock 17 and Gen4 Glock 21. The larger frame size of the 21 which would argue for using the 37, is not a problem for me. I like the idea of the .45 GAP, and if it works for you then go for it. But I'm concerned about the long term viability of a caliber that has so few advocates and where sparse ammo availability at high prices for non-reloaders is an issue.
 
After handling a Springfield XD in .45GAP and .45ACP side by side, I knew the GAP was going nowhere. Its not that you needed a new round to cram a .45 into a small frame, you need to take advantage of modern polymers to put a .45 into a smaller frame which Springfield did nicely with the XD45. The one I handled was the only 45GAP XD I've ever seen.
 
Great write up, and interesting read!

I have always wondered what the 45 GAP specifically brought to the table over the 45 ACP and given the amount of compact 45 Auto glock frames, (36, 30, 30sf, 30S) what would be the benefit of shooting it.

While I don't see the necessity in the 45 GAP for me personally, (my EDC is a Glock 26gen4) I don't get the hate for the cartridge. For caliber aficionados it makes sense. There are a plethora of niche rifle and pistol cartridges that don't have mainstream followings or mass available ammo. I myself have an AR-15 in 6x45mm and am currently tinkering of my annual gun project being either a 460 Rowland in one of my 1911's or building a 6.5-06 rifle. For those that like the 45 and want it in a 9mm frame I get that as well. Its the 40SW to 10mm argument.

Again the beauty of our firearms industry is that we truly have what ever you desire. Its 31 Flavors vs just chocolate, vanilla and strawberry. No point to hate it. Again thanks for the write up!
 
Your statement

"The second major difference is in the ability to meet their design parameters. The GAP usually comes in a very close second to the ACP in head-to-head ballistic matches, but still holds its ground well. The .45 Long Colt, though, is far superior to the ACP in terms of energy. The Long Colt can often push heavier bullets at faster velocities than the ACP. Thus, the GAP actually wins that bout."

Huh?

.45 Colt 14,000 CUP
255 gr. @ 775 fps
.45 Colt "+P" High 20Ks?
but only with Ruger Blackhawk or T/C Contender
or my Marlin 1894 lever gun.
.45 ACP 21,000 CUP
.45 ACP +P 23,000 CUP
.45 GAP 23,000 CUP

So, via your thinking doesn't .45 ACP +P Trujps .45 Gap all day

Not a .45 GAP or Glock 'Hater' either I don't or tend to not go
to another chambering/caliber. I've got 9x19 .357 Mag .45 Colt
and .45 ACP

My only experience with .45 GAP
I bought a box of .45 ACP or so I thought
of Federal Hydra Shock JHPs - at home I noticed
these rounds are short? taking the price tag
stickered on the end of the box it covered up
'GAP' hmmm, so I know it runs at .45 ACP +P
pressure and I've shot some of that in my 1911.
Lookked up the claimed muzzle velocity, 880 fps
out of a 4" Bbl. which is the same bbl. len. most
manufacturers list for 9x19 and .40 S&W since it's
a comon bbl len. for most platforms The .45 ACP
always has muzzle velocity claims w/.5" bbl. len.
.45 ACP Federal Hydra shok both with 230 gr. bullet
weight is 890 fps.

So, what did I do with the 20 rd box of .45 GAP?

I pujt them in full moon clips and shot em out of my
S&W 625 they all went bang and the ol'N frame
voice in my head "is that all yah got? No and
then shot some heavy .45 Auto Rim loads that
approachh .45 Collt heavy loads .

.45 Auto Rim is more efficient than the .45 Colt
which was begun as a black powder cartridge.
Not so with the 1920s created .45 AR
but it's still 14K SAAMI rated with all the old
BP based cartridges.

Enjoy your 37 I'll enjjoy my Commander It's just those envious looks from the GSSF guys at the range hahahah

R-
 
.45 GAP did get more of a foothold than
.400 CorBon = my $240 paperweight

or .38/45 .451 Detonics

Anybody but Glock making .45 GAP Chambered
models?

R-
 
Well Buffalo Bore does up the ante...

https://www.buffalobore.com/index.php?l=product_list&c=74

.45 GAP 230 gr. JHP (900 fps / M.E. 414 ft/lbs) - 20 Round Box from a Glock 37.

GLOCK mod. 38, 4.0 inch barrel

1050 fps-452 ft/lbs---- Item # 38A - 185gr. JHP
1058 fps-460 ft/lbs---- Item # 38B - 185gr. FMJ-FN
864 fps-381 ft/lbs------ Item # 38C - 230gr. JHP
865 fps-382 ft/lbs------ Item # 38D - 230gr. FMJ-FN
1140 fps----- Item # 38E - 160gr. Barnes Lead Free TAC-XP


Not bad for a lightweight concealable handgun. Would make the Glock 39 very effective, especially the Barns 160gr load.

Deaf
 
wally wrote,
After handling a Springfield XD in .45GAP and .45ACP side by side, I knew the GAP was going nowhere. Its not that you needed a new round to cram a .45 into a small frame, you need to take advantage of modern polymers to put a .45 into a smaller frame which Springfield did nicely with the XD45. The one I handled was the only 45GAP XD I've ever seen.
This is a good point.

When you want a double stack .45 and your option is the pre short frame/pre Gen 4, G21, you may want a slightly shorter round to put in a smaller framed gun. However, the XD .45 ACP gun is much more small hand friendly than old G21's. The M&P .45 was also better as are almost everything rather than the old G21's.

Of course if you want a Glock, the G37 is still a more handy size than even the Gen 4 G21.
 
I think the GAP is a great concept. And I'm a huge 1911 Fanboy.

By the time I was ready to buy a Model 37, I was heavily discouraged. I kept hearing that there would be no support because it was dying out.

I'd already been down that road with Auto Mag and Bren Ten.
 
The .45 GAP was about sales, period. Nobody was asking for a round that offered reduced capacity and inferior ballistics versus the well established .40 S&W, but Glock knows the market, and knows that a new model, no matter how redundant or pointless, will sell. And it did, though I suspect nowhere near hopes/projections.

The fact that only one other maker picked it up and almost instantly dropped the chambering, yet Glock continues to produce and sell GAP models speaks volumes about both the cartridge and the Glock customer base.

I own a Glock, I'm not a hater, and I, too, am a bit of a cartridge whore, stocking over 50 different rounds. But the .45 GAP will never be one of them, because it truly is pointless.
 
WHen Glock was applying to SAAMI, I read they
wanted to call it, .45 Glock but SAAMI went with
Glock AUtomatic Pistol similar to ACP Every
manufacturer wants at least one cartrdge with the
companies name on it. like .357 SIg

f
 
I was at Cabelas today and they had a LN Glock 37 for $399.00. And they had not one box of .45 GAP ammo in stock, to be able to shoot the 37. Kind of sums it all up, right there.
 
I prefer a larger capacity myself, but given the OPs restriction on magazine capacity the 45 GAP is an excellent choice. I'd want 10 big fast bullets if I couldn't have 15 or 20 smaller ones...

I hope the 45 GAP continues to live. I'd like to own one someday but only if it's affordable and common...
 
The purpose of the GAP is clearly stated: a .45 caliber round that duplicates .45 ACP ballistics that can be shot out of a 9mm frame design.
I think here in lies the heart of the problem.
It's clearly stated purpose is the only possibly advantage over a .45 acp and that advantage is incredibly small, and honestly it fails at it IMO.

Personally, I couldn't care less what other people shoot. If you like ______ then carry and shoot it, but don't get offended when people point out that there is an extremely similar caliaber that has several advantages and very few disadvantages.
I belive the comments like "It doesn’t do anything the ACP doesn’t do…”
“I can’t buy a box at Wal-Mart…” “It’s a solution in search of a problem…”
Are basically truthful statements, now does that mean I hate the caliaber? No, it doesn't, it means I don't care about it....... Because I don't own one and see no real advantage to owning one. But hey, if other people like it great! Make more of them, and enjoy shooting them.

All that said, I understand being the odd man out. Though not a handgun, I own a 450 marlin, and it honestly is nothing but a 45-70 that's belted instead of rimmed. Almost every arguement I just made against the 45 gap can also be made aginst the 450 marlin.
It can't really do anything a 45-70 can't do other than stack in a magazine for a bolt gun. The ammo is harder to find and more expensive, but here's the thing.....I like it so I don't care, and when people look at me funny and ask why I didn't buy a 45-70 the only answer I have is "I wanted a 450 marlin" and I'm not at all offended when people "hate" on the 450.
Let's face it the 45-70 is a very similar cartridge with several advantages and few disadvantages, and the 450 went away it really wouldn't matter to much because of the 45-70. But I still love my 450, and I'd buy it again.
 
Isn't this about 20 years too late? The ship has sailed on GAP and it sunk after leaving port.
 
I tend to dislike .45 GAP for the same reason I dislike .40 S&W and .357 SIG, I just don't like high pressure rounds. They put more wear and tear on the gun and parts have to be replaced more frequently than with lower pressure rounds like ACP or 9mm.

Even though I don't care for the higher pressure rounds, if you like them and shoot them well, go for it. In the case of the GAP, just don't cry and moan when you can't readily find ammo for it.
 
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