What is OAL ammo?
What is OAL ammo?
The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or “COL”, is important to safe functioning of reloads in firearms.
What is the OAL of a 9mm?
Pistol cartridges
| Name | Bullet diameter | OAL |
|---|---|---|
| 9×19mm Parabellum (9mm Luger) | 9.02 (.355) | 29.69 (1.169) |
| .357 SIG | 9.02 (.355) | 28.96 (1.140) |
| 9mm Browning Long | 9.09 (.358) | 28.00 (1.10) |
| 9×21mm | 9.02 (.355) | 29.69 (1.169) |
Is 9x19mm the same as 9mm Luger?
9mm Luger and 9x19mm Parabellum refer to the exact same round. When someone refers to 9mm, they almost always mean 9x19mm. Sometimes it’s Luger, sometimes it’s Parabelluum, sometimes it’s plain ol’ 9mm, but it’s all the same.
Is 40 Cal and 40 SW the same?
40 S&W is the same cartridge, just with a few millimeters of case trimmed off. When Smith and Wesson devised it, they put this shortened version of a big gun cartridge in a medium/small gun frame. 40 S&W is a shortened big gun caliber.
Is OAL a minimum or maximum?
The maximum oal is usually determined by the magazine box of your rifle. As long as the loaded round fits then it is OK to use. In a couple of my Weatherby rifles I load the bullet out as far as I can and I usually get the best accuracy this way, but I do have one a .
How does OAL affect pressure?
The primary effect of loading a cartridge long is that it leaves more internal volume inside the cartridge. This extra internal volume has a well known effect; for a given powder charge, there will be less pressure and less velocity produced because of the extra empty space.
What is the maximum overall length on a 9 mm bullet?
29.69 mm
| 9×19mm Parabellum | |
|---|---|
| Overall length | 29.69 mm (1.169 in) |
| Case capacity | 0.862 cm3 (13.30 gr H2O) |
| Primer type | Berdan or Boxer small pistol |
| Maximum pressure (CIP) | 235.00 MPa (34,084 psi) |
What is 9mm Max?
9mm maximum is 1.169″ OAL.
What does 9mmx19 mean?
If you’ve shot for long, you know the aliases of 9mm ammo: 9×19, 9mm Luger, 9mm NATO. When someone says they are shooting “nine millimeter” ammo or simply shooting their “nine,” they are almost always referring to the 9x19mm cartridge. It’s the most popular handgun round in the United States.
Which is bigger 9mm or 40 caliber?
40 S&W does trump the 9mm is power. It’s a bigger, heavier cartridge that hits a little bit harder than the 9mm. Moreover, one of the most common complaints that people have about the 9mm is that it’s a lighter bullet.
Can a 9mm shoot 40 caliber bullets?
Absolutely NOT! 9mm and 40 cal are completely different sizes and would not properly feed and cause an obstruction.
