10/ 10 points
The projectile of the .22LR cartridge fits a barrel with a nominal
-inch diameter bore, while the .223/5.56 is designed
for a bore with the nominal diameter of .224.
, 10/ 10 points
Although Colt was the first main manufacturer of the AR-15/M-16
platform, at least in large quantities, the company was not all that
interested in selling them to the civilian market. For this reason,
some companies that contracted to Colt in the production of some
parts filled that demand.
n 10/ 10 points
In the AR9, or in ARs that have been converted to chamber the
9mm and .22LR cartridges, the gas system required for the AR-15 is
no longer needed, however, other adjustments to certain
components will need to be made.
The projectile of the .22LR cartridge fits a barrel with a nominal
-inch diameter bore, while the .223/5.56 is designed
for a bore with the nominal diameter of .224.
, 10/ 10 points
Although Colt was the first main manufacturer of the AR-15/M-16
platform, at least in large quantities, the company was not all that
interested in selling them to the civilian market. For this reason,
some companies that contracted to Colt in the production of some
parts filled that demand.
n 10/ 10 points
In the AR9, or in ARs that have been converted to chamber the
9mm and .22LR cartridges, the gas system required for the AR-15 is
no longer needed, however, other adjustments to certain
components will need to be made.
