15 rounds.
1.16kg
The M9 magazine holds 15 rounds. Any magazine designed to be compatible with the Beretta 92 is capable of being used in an M9 pistol, but the only issue magazines are 15 round non-OEM magazines.
Air cooled, magazine fed, recoil operated, double action, semi automatic pistol.
A short recoil, semi-automatic, single-action / double-action pistol, the M9 uses a 15-round staggered magazine with a reversible magazine release button that can be positioned for either right or left-handed shooters.
Follower, Floor Plate, Magazine Tube, Magazine Spring, Retaining plate, Locking Block Plunger.
Nagazine tube (body) spring, follower, base plate, lock plate.
Slide is pulled to the rear and stop is engaged by hand.
Condition 2, does not apply to the M9 Service Pistol.
You are describing a detachable magazine, such as used by the M9 pistol or M16 rifle.
The M9 is a standard 9mm round. the M9 is actually a .355 caliber
9mm
1. safety ON. 2. Failed to chamber a cartridge when loading (magazine not fully seated)