This differs from most rimfire ARs, where the bolt only locks against the rear of the magazine follower and must be manually retracted and held open to allow the magazine to drop free and cannot be locked open at all when the magazine is removed.
What does LO stand for?
LO stands for Locked Open
This definition appears frequently and is found in the following Acronym Finder categories:
- Information technology (IT) and computers
See other definitions of LO
We have 15 other meanings of LO in our Acronym Attic
- Line of Operation
- Line Office
- Liner Out (shipping)
- Liquid Oxidation
- Liquid Oxygen
- Little One (child)
- Loan Officer
- Local Optimization
- Local Oscillator
- Locals Only (surfing slang)
Samples in periodicals archive:
If the hatches are open during operation, you must make sure they're locked open.
For customer Chad Ettmueller, an attempted bite into his favorite sandwich resulted in 14 hours with his jaw locked open, treatment at three different hospitals, and one sandwich he never got to eat.
Friction-lock and positive-lock technology help ensure the baton remains locked open while striking.
The Cardiff inquest, in front of a jury, was told the steel barrier had not been locked open ( and Mr Farr's widow, Helen, said his death had been avoidable, pointless and futile.
Because the article cites the Garand clip, I might point out that because the Garand is closed on the bottom, the last cartridge has to be fired, ejected and the action locked open before the clip is forcibly ejected out the top.
But his eyes are locked open, so instead I close mine.
With this system, furnace power is not locked open and normal operating voltages are used.