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metric
The metric system is an internationally recognised decimalised system of measurement. It is in widespread use, and where it is adopted, it is the only or most common system of weights and measures. It is now known as the International System of Units (SI). It is used to measure everyday things such as the mass of a sack of flour, the height of a person, the speed of a car, and the volume of fuel in its tank. It is also used in science, industry and trade.
The first nation to adopt the metric system (a process called metrication) was France, in the 1790s. In subsequent decades and centuries, most other nations adopted it in part or in full, with notable holdouts being Liberia, Myanmar, and the United States (which primarily uses U.S. customary units).
In its modern form, it consists of a set of base units: metre for length, kilogram for mass, second for time, ampere for electrical current, kelvin for temperature, candela for luminous intensity and mole for quantity. These, together with their derived units, can measure any physical quantity. Metric system may also refer to other systems of related base and derived units defined before the middle of the 20th century, some of which are still in limited use today.
The metric system was designed to have properties that make it easy to use and widely applicable, including units based on the natural world, decimal ratios, prefixes for multiples and sub-multiples, and a structure of base and derived units. It is also a coherent system, which means that its units do not introduce conversion factors not already present in equations relating quantities. It has a property called rationalisation that eliminates certain constants of proportionality in equations of physics.
The units of the metric system, originally taken from observable features of nature, are now defined by phenomena such as the microwave frequency of a caesium atomic clock which accurately measures seconds. One unit, the kilogram, was defined in terms of a man-made artefact until recently, but its precise definition now depends on a fixed numerical value for Planck's constant. The new definition was formally propagated on 20 May 2019.
While there are numerous named derived units of the metric system, such as the watt and lumen, other common quantities such as velocity and acceleration do not have their own unit, but are defined in terms of existing base and derived units such as metres per second for velocity.
Units of the British imperial system and the related US customary system are officially defined in terms of the metric system. Notably, as per the International Yard and Pound Agreement the base units of the Imperial and Customary system are defined in terms of the metre and kilogram.
The metric system is also extensible, and new derived units are defined as needed in fields such as radiology and chemistry. The most recent derived unit, the katal, for catalytic activity, was added in 1999. Recent changes are directed toward defining base units in terms of invariant constants of physics to provide more precise realisations of units for advances in science and industry.
I have the following:
4, non-stamped Izzy mags
4, Libyan Contract mags, unique history with these, they have Inch pattern Floor plates and followers yet are on a Metric mag body.
1, Potential SA boat service magazine. Its painted a really light green color like you'd see on board a ship or...
I don't know who made these and I have several different types. These two pictures are representative. I have about 12 of them but I need to keep some as I am still selling my FAL.
Price is for each.
WTS,
4 - Belgium 20 round 7.62 (308 AR10) metal magazines (METRIC) unused in bags as pictured.
$25.00 each
Willing to ship at buyers expense at Actual shipping cost. Buyers responsibility to make sure it is legal to own before shipping out of state with restrictions!!!
Willing to meet...
Sold my last FAL so these mags gotta go. I'd like to keep them together as 1 lot of 6. [4x20, 2x25]
4x Israeli Surplus 20rd. These look new, I oiled the snot out of them for long term storage and 1 has what appears to be hardened grease on the body and follower. I'm guessing it would clean...
I have a group of 19 20-round FAL metric-pattern magazines. I've tested them all my rifle and verified that they all function. One or two of them take a little extra effort to lock in, but once in they're fine. 7 of them are Israeli manufactured, the rest I don't know about. But they all work...
I have 12 metric pattern, 20 round FAL mags for sale at $15.00 each picked up in Mcminnville.
Can ship on your dime.
These are in excellent shape and all functioning flawlessly .
https://imgdump5.novarata.net/1l6gj9.jpg
https://imgdump5.novarata.net/0eqj41.jpg
Thank you for looking.
SF-
My saga continues with outfitting my new L1A1 and buying the wrong stuff . I just bought these 4 new mags after being advised that these would fit but it seems as though the metric mags are correct. These are too big to fit in the magwell due to the tab on the front strap of the mag. I would...