blowback gun

blowback gun

[′blō‚bak ‚gən]
(ordnance)
An automatic gun utilizing the pressure of the propellant gases to force the bolt to the rear, independently of the barrel which does not move relative to the receiver.
References in periodicals archive ?
Unlike a lot of .380s, the Spectrum is not a straight blowback gun. It features a tilting barrel that helps absorb some of the recoil forces.
Caption: As a straight blowback gun, the Accu-Tek AT-380 II is a good bit bulkier and I heavier than more advanced short-recoil designs, like this customized Smith and Wesson Bodyguard .380.
The entire time the bolt carrier was slowly slapping back and forth like, well, a blowback gun. I suppose this isn't surprising considering the PTR 32 utilizes the classic roller-locked delayed blowback system.
What is the difference between a blowback gun and one that is not.
The 389TS is a simple, straight blowback gun with a 16.5-inch barrel.
His conversion isn't a blowback gun, but rather a direct gas impingement design, and he kept the standard bolt/carrier configuration.
What do you do if you want neither the moving barrel, links and lugs of a conventional locking system, nor the violent kick of a straight blowback gun in 9mm Luger?
No, a 9mm does not inherently have more oomph than a .223, but a 9mm AR is a straight blowback gun, with the heavier bolt/carrier heading back toward your shoulder as soon as that hammer falls.
This pistol has the standard Glock barrel lockup, and it is not a straight blowback gun, as are many ,380s.
Since the 1911-22 is a blowback gun, the barrel does not move in recoil, but neither is it permanently mounted to the frame--in fact, the pistol field-strips just like any other M1911, down to the barrel bushing.
The barrel is fixed in place in blowback guns, or at least it's not locked with the slide.