Armalite Rifle, Model 15. It does not mean assault rifle.
Note that other manufacturers refer to their ARs with different designations; only Colt holds the rights to the name "AR-15".
Law Enforcement
It is the pigmentation of color intergrated into the display.
It means the direct relationship the color pigmintation has on the display.
Try AR15.com Try AR15.com
If it is one of the recent Colt .22LR AR15 rifles, then the answer is no - they are completely different internally.
1959
Yes
The US Army presently uses the M4 carbine, a shorter and much modified version of the Armalite AR15.
Colt has not offered a AR15 in 308
By it's serial number. Go to www.proofhouse.com and under 'long rifles' listing look for AR15 Sporter
@ 40 inches.
Yes