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-15 was developed as a lighter, 5.56 mm version of the AR-10. The AR in all ArmaLite pattern firearms simply stands for ArmaLite, and can be found on most of the company's firearms: AR-5, a .22 caliber rifle; the AR-7, another .22 caliber; the AR-17 shotgun; the AR-10 rifle; and the AR-24 pistol.
According to its inventors at the Advanced Armament Corporation, 300 AAC Blackout is âfull power 123-grain ammunition [for the AR platform] that matches the ballistics of the 7.62x39mm AK, with 37% more energy than 5.56mm M855, and 9% more than 6.8 SPC TAP 110.â In fact, âfrom a 9 inch barrel, the 300BLK has more muzzle energy than 5.56mm M855 from ...