It may be possible to get the GAP round to fire from the gun, but it is not a good idea. The two cartridges are not interchangeable, and trying to do that may cause a malfunction or it may damage the gun.
A "Round" is usually how many shots are in the loading chamber. it can be one or many. A BB gun can carry 100 ROUNDS but only fires one ROUND at a time. A Machine gun fires many rounds in a "burst".
No. The GAP will not headspace properly in an ACP chamber which may result in a failure to fire. The higher operating pressures of the GAP may exceed the limits of some ACP platforms.
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A round is loaded into a gun. The gun is then cocked and then fired.
It would accept either a 30 round stick magazine or a 100 round drum.
Sorry, but we need more information on the term "round barrel gun".
A round is a cartridge made up of the case, primer, powder and bullet. The bullet is the projectile that leaves the gun. There is only one bullet in a round.
A round is one shot, or cartridge. The term 'round', for the projectile fired from a gun, comes from the days of the musket when the ammunition was round. The projectiles are no longer roung but the name stuck.
BB gun. Fires a round BB.
A round is a cartridge made up of the case, primer, powder and bullet. The bullet is the projectile that leaves the gun. There is only one bullet in a round.
There's only one shot per round with any gun. As for the P226, the 9mm holds 15 rounds, while the .40 and .357 Sig models hold 12.