"GAP" when referring to Glock refers to a caliber. A few years ago, Glock designed the .45 GAP (which stands for "Glock Auto Pistol" as a way to get a .45 caliber cartridge in a smaller frame gun. It was a failure. There is nothing wrong with the cartridge, but it just doesn't do much the .45 ACP won't do.
GAP = Glock Automatic Pistol It is a shorter .45 caliber cartridge and loading created by the Glock corporation.
Glock Automatic Pistol
Caliber is .45 GAP (Glock auto pistol)
Glock Automatic Pistol. It's used in reference to the .45 GAP cartridge developed by Glock.
The Glock pistol in caliber .45 GAP.
I take a guess at this: If you're referring to 45 GAP, the term GAP stands for "Glock Automatic Pistol."
A Glock 19 is a pistol. The Glock 19 is their compact, 9mm, 15 round, pistol.
No. The .45 Automatic Colt Pistol (ACP) cartridge is longer the the .45 Glock Automatic Pistol (GAP) cartridge. Since they headspace on the MOUTH of the cartridge case, they cannot be interchanged.
The .45 GAP is a shorter cartridge than the .45 ACP. Developed for the Glock Automatic Pistol (that's the GAP) it does not interchange with the .45 Colt Automatic Pistol (ACP). Made for a smaller firearm, shorter action, etc.
Yes, the Glock 18 is fully automatic.
The .45 GAP (Glock Auto Pistol) round was designed by CCI / Speer, at the request of Glock, to provide a cartridge that would rival the firepower of the .45 ACP, but would be shorter to fit in a more compact semi-auto pistol. The .45 GAP round is the newest pistol round to be backed by a major firearms producer, Glock. Due to it's new-ness the only pistols to fire it are the Glock 37, 38 and 39. For the practical shooter, the .45 GAP might not be the best choice, due to ammo availability and the somewhat specialized nature of the round. Most .45 enthusiasts choose the .45 ACP. The .45 GAP is sort of like the DeLorean of the pistol ammo world. New, cool, and slightly exotic, but not mainstream and somewhat hard to come by. Muzzle velocity for the .45 GAP is 880 ft / sec to 1,000 ft / sec, and impact energy is 395 ft lbs to 411 ft lbs.
Glock pistols are made in a variety of calibers. Currently available in .380 ACP, 9mm Luger, .357 Sig, .40 S&W, 10mm Auto, .45 ACP and .45 GAP.