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Reviews : Arsenal

Glock Gen 4 Duty Pistols

Should you trade in your older Glock for the better ergonomics and reduced recoil of the new model? Absolutely.

May 18, 2010  |  by Nick Jacobellis - Also by this author

Range Time

In all my years of shooting I can honestly say that I was never more interested in finding out how two particular firearms performed than these new Glocks. Since I am a huge fan of the 9mm Glock 17 I decided to field test the Gen 4 Glock 17 first.

I loaded a magazine with 124-grain FMJ Magtech ammunition and another with some 124-grain Federal Hydra Shok hollow-point, then I sent them down range with the greatest of ease. Next I fired some 124-grain Winchester FMJ ammunition and some 147-grain Federal Personal Defense hollow-point ammunition and again noticed no discernable recoil. But by far my favorite ammo to pump out of the Gen 4 G17 was some 9mm Federal 147-grain Flat Tip Metal Jacket ammunition. I swear that these rounds fired so smoothly from the Gen 4 that it felt like I was shooting a .22 LR pistol on steroids. 

But so far we hadn't really given the new recoil spring a workout. So my shooting buddy handed me a Gen 4 G17 magazine filled with Plus P and Plus P Plus ammo. I have to admit that I wasn't thrilled with the idea of shooting these snappy rounds. I have bad arthritis in my hands and powerful rounds can make shooting very unpleasant.

But I wanted to test the new recoil system, so I started banging away. A smile a mile wide crossed my face. I could not believe that I was firing a Glock 17 with the snappiest 9mm ammunition on the market and pain in my hands wasn't forcing me to stop. For me to be able to shoot Plus P and Plus P Plus ammo from a Glock 17 without pain is an outright miracle. 

I decided to press my luck and loaded the .40 caliber Gen 4 Glock 22. As soon as I started pulling the trigger my eyes rolled in amazement as I realized that this pistol was noticeably softer shooting than a standard Gen 3 or earlier model Glock 22.

On another range day I found that the Gen 4 Glock 17 was also soft shooting with 24-grain Speer Gold Dot hollow-point ammunition, a rather snappy type of standard velocity 9mm ammunition that normally produces substantially more felt recoil in my earlier generation "regular model" Glocks.

I also tested the Gen 4 Glock 22 with a mixture of 155-grain Speer Gold Dot hollow-point ammunition, 165-grain Winchester Ranger Bonded hollow-point ammunition, and 180-grain Winchester Ranger hollow-point ammunition. It was connect-the-dots accurate and very comfortable to shoot. For the rest of my evaluation, I used 180-grain Federal FMJ and 180-grain Winchester FMJ ammunition. I even tried some extremely long range shooting and was amazed at how well the new Gen 4 Glock 22 with night sights performed.

Making Adjustments

Once both pistols were tested to see how they performed using the "standard" or small grip, it was time to do some shooting with the other backstraps. To install a medium or large grip all you have to do is clip the bottom of the grip extension to the bottom of the small or standard grip, then use the extra roll pin that comes with the pistol to secure the larger grip extension to the pistol by inserting the pin into the hole near the top of the small grip. Trust me, this is very easy to do.  

Before I sat down to write this review, my shooting buddies and I tested each pistol using different grip extensions to see how each pistol felt while being test fired with different ergonomics. In the end I opted to carry the Gen 4 Glock 17 with the standard or small grip, which is smaller in overall size than the standard grip on a Gen 3 or earlier full-size Glock service pistol.

You should also know that the medium interchangeable grip extension makes the Gen 4 Glock have the same grip dimensions as a Gen 3 or an earlier model Glock grip, while the large grip extension is dimensionally the same size as that of a Glock 21. But I should point out that even though the dimensions might be the same, the large grip extension on the Gen 4 pistol feels a little better in my hand than the grip on a standard model Glock 21. I chalk this up to the fact that the Gen 4 has a soft rubbery texture to the grip portion of its frame. As for the reach to the trigger I had absolutely no problem using any of the grip options offered with the Gen 4 Glock pistols.

I had no problem shooting the Gen 4 Glock 22 with all three grips, but I decided to install the large extension grip on this pistol so my strong hand had more to hold onto to absorb the recoil energy of the .40 S&W ammunition. The combination of the large grip and the recoil capture spring combine to make the Gen 4 G-21 a pleasure to shoot even with my arthritic hands.

With their much improved recoil systems and excellent ergonomic features, these Gen 4 Glocks are truly outstanding duty guns. I believe the Gen 4s will be a grand slam for Glock and armed professionals and that legally armed citizens who currently use full-size Glock pistols will upgrade.

I like these pistols so much I have decided to sell my standard model previous generation Glock pistols so I can afford to buy a 9mm Gen 4 Glock 17 and possibly even a Gen 4 Glock 22.  All I need now is for Glock to start manufacturing a Gen 4 Glock 19, a Gen 4 Glock 23, and a Gen 4 Glock 34.

Nick Jacobellis is a medically retired U.S. Customs Agent and former New York police officer who was physically disabled in the line of duty while working undercover as a federal agent.

Find out more about the Glock Gen 4 G-17 and G-22.

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Comments (9)

Displaying 1 - 9 of 9

Edward Shattuck @ 1/26/2011 5:55 AM

I'm sold on the Glock Generation 4 after reading the article. I have been searching for a new handgun for personal defense, and now I know the one I want. Nice article!!

Abraham @ 2/21/2011 6:05 PM

I want to buy a gen 4 glock 22 but everyone tells me I cannot buy one here in California. I want to know if I can buy one and use in California with out any problem with the law.

1911 nut @ 10/10/2011 10:23 PM

ok i hate glocks.i shot a ten mm when i was 19 and i hated everything about a glock.i became a 1911 fan and own many. i purchased a gen 4 19 a week ago. im sold on glocks now. i have recalled spring and still pumped out 250 rds with only to ftes due to wanting to buy another gen4 but a 40 this time. i highly recomend giving the gen 4s a shot if you hate glocks like i DID.

Bados @ 7/25/2012 6:58 AM

I have had a Glock 17 with factory night sites, Generation 2 with the grenade grips for 22 years. I can't picture another Glock shooting better with less recoil then this one. It has always been spot on dead accurate from the day I bought it. Shot thousands of rounds and never have had a replaced part. I will have to try a Generation 4 to see how much better the G17 can be.

Gary Thompson @ 5/21/2013 10:44 PM

I carry the Gen 4 Glock 26 off duty. It's a cherry of a CCW.

doug @ 8/20/2013 5:05 PM

I have carried a glock 23 on duty for 13 years. last year my department bought glock 22's gen 4 and

ashton @ 9/26/2013 8:34 AM

Never have liked the grips on Glocks,always carried beretta 92f 9mm,but wanted a higher caliber carry gun, but when picked up the Glock 21 gen 4 , at the local gun shop last week, well long story short it left the shop with me soon after, and I am very satisfied with its performance and new grip

Christopher Pasion @ 8/12/2014 1:27 PM

Just bought the Glock 22 .40 Gen 4 today!! Very satisfied and proud of My Glock since I recently owned my Gen 3 Glock 22 40!

Jeff @ 8/29/2014 8:00 PM

I personally like the gen 3 RTF better then gen 4

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