The difference is 813. 1000 - 187 = 813
187 − 45 = 142
The 5.56 cartridge has a different neck angle from the .223 Remington, generates higher chamber pressures, and has different weight projectiles available. .223 Remington can be safely cycled through a rifle with a 5.56 chamber, but it is not recommended to use 5.56 ammo in a rifle with a .223 chamber.
2 meters (m) is 200 centimeters (cm). It is longer than 23 cm and shorter than 223 cm.
30% of 223= 30% * 223= 0.3 * 223= 66.9
The difference is 813. 1000 - 187 = 813
187 − 45 = 142
401 - 178 = 223
5.62 is bigger
181 187 191 195 197 207 211 217 219 223 229
Shank (.223 Remington) - 0.4370 / (NATO 5.56) - 0.4370 / (Difference) - 0.0000 Base Diameter (.223 Remington) - 0.3760 / (NATO 5.56) - 0.3780 / (Difference) - 0.0020 Shoulder Diameter (.223 Remington) - 0.3553 / (NATO 5.56) - 0.3560 / (Difference) - 0.0007 Neck-2 (.223 Remington) - 0.2550 / (NATO 5.56) - 0.2550 / (Difference) - 0.0000 Neck-2/Case Mouth (.223 Remington) - 0.2540 / (NATO 5.56) - 0.2550 / (Difference) - 0.0010 Freebore Diameter (.223 Remington) - 0.2245 / (NATO 5.56) - 0.2270 / (Difference) - 0.0025 Pilot Diameter (.223 Remington) - 0.2180 / (NATO 5.56) - 0.2180 / (Difference) - 0.0000 Base-to-Case Mouth (.223 Remington) - 1.7720 / (NATO 5.56) - 1.7750 / (Difference) - 0.0030 Base-to-Shoulder (.223 Remington) - 1.2340 / (NATO 5.56) - 1.2380 / (Difference) - 0.0040 Neck Length (.223 Remington) - 0.2200 / (NATO 5.56) - 0.2180 / (Difference) - -0.0020 Freebore Length (.223 Remington) - 0.0250 / (NATO 5.56) - 0.0500 / (Difference) - 0.0250 Rim/Belt Thickness (.223 Remington) - 0.2000 / (NATO 5.56) - 0.2000 / (Difference) - 0.0000 Shoulder Angle (Degrees) (.223 Remington) - 23.0 / (NATO 5.56) - 23.0 / (Difference) - 0.0 Throat Angle (Degrees) (.223 Remington) - 3.1 / (NATO 5.56) - 2.5 / (Difference) - -0.6
.001 inches. Makes a difference depending on what you are shooting, how old the barrel is, etc..
While they are similar, the cartridges are not the same, with slight differences in the shoulder angle, length of neck. It is safe to fire .223 in a weapon chambered for 5.56, but 5.56 ammo in a weapon chambered for .223 may NOT be safe.
223
The numbers are 219, 220, 221, 222, 223, 224, 225, 226 and 227. The difference between the high and low is 8.
The 5.56 cartridge has a different neck angle from the .223 Remington, generates higher chamber pressures, and has different weight projectiles available. .223 Remington can be safely cycled through a rifle with a 5.56 chamber, but it is not recommended to use 5.56 ammo in a rifle with a .223 chamber.
223 is the rifle cartridge used by the military and it is about 2 inches long, necked down from a super long 380 auto A 22 is a rim fire cartridge, about 1 inch long, that has 6 times less power as the 223