Either you have a DPMS rifle, or a PWS rifle. DPMS makes several different models of AR-15, and value can range from $600 to $1500, depending on the exact model and features.
PWS, on the other hand, is a different matter. PSW manufactures higher end gas piston and direct impingement uppers, which typically sell new for $1500 - $2000. Overall value of the rifle would depend on what lower and accessories you have.
Colt has not offered a AR15 in 308
$800-$2,000.
$1599
As of today (10/18/08) $900 ~ $1,370 depending on condition.
The US Army presently uses the M4 carbine, a shorter and much modified version of the Armalite AR15.
250-2500 USD depending on the EXACT model.
PMS 294 and PMS 199
You do get PMS, get cramps, but I'm not sure about the fart maybe you just ate to much beans yesterday:)
pms is having a period
Pms 9043u
Red is PMS 200 and the yellow is PMS 123
These are all common: PMS 459 C PMS 461 U PMS 4505 C PMS 4515