Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_72336 ( "Colt model no." text, "Name" text, "Stock" text, "Fire control" text, "Rear sight" text, "Forward assist" text, "Case deflector" text, "Barrel length" text, "Barrel profile" text, "Barrel twist" text, "Hand guards" text, "Bayonet Lug" text, "Muzzle device" text )

### Question ###
What are the Colt model numbers of the models named GAU-5A/A, with no bayonet lug, no case deflector and stock of 2nd generation?

### Accurate SQL ###

SELECT "Colt model no." FROM table_72336 WHERE "Bayonet Lug" = 'No' AND "Stock" = '2nd Generation' AND "Case deflector" = 'No' AND "Name" = 'GAU-5A/A'