1 Monocot and dicot are short for monocotyledon and dicotyledon. 2  Mono-means one, and monocots have one cotyledon. 3  Di-means two, and dicots have two cotyledons. monocot plant has one cotyledon (scutellum) in its embryo whereas a dicot plant has two cotyledones. 2. A moncot pl â¦ ant has generally isobilateral leaf with parallel venation whereas a diicot plant has dorsiventral leaf with reticulate venation. 3.
The AR platform can be adapted to dozens of different calibers, like this Rock River Arms LAR-6.8 chambered in 6.8 Remington SPC. In these troubled times where everyone wants to stir up trouble and hate over our differences in appearance, I want it to go on record that I donât just tolerate diversity, I embrace it.
The U.S. Air Force and the U.S. Army adopted AR-15 variants (as the M16), and modified the .223 Remington cartridge slightly (by switching the powder to one that would produce a higher velocity), this cartridge becoming the 5.56x45mm NATO.ifle receiver extensions are used with fixed-stock AR-15 rifles, and are slightly longer than the carbine-length receiver extensions. The corresponding action spring is generally between 11.75 and 13.5 inches long; any shorter, and it should be replaced.