Variant of the AR-15 manufactured by Colt. It had a 'slab side' lower and no forward assist.
What is the manufacture date of a Colt AR15 rifle serial number 192754 model SP1
$800.00
Depends on condition, etc. Price range from 500-1000
$1599
50-1500 usd
100-1000 usd
Depends on markings on upper.
100-1500 depending on specifics
value depends on overall condition.................
Made 1974 if sn reads SP33829. Value depends on condition. Range from 500-1000
As of today (10/18/08) $900 ~ $1,370 depending on condition.
It's a 1975 preban model