Question: What is the muzzle device on the colt model LE1020?
SQL: SELECT "Muzzle device" FROM "1-12834315-5" WHERE "Colt model no." = 'LE1020';

Question: What is the barrell profile that goes with the Gas Piston Carbine?
SQL: SELECT "Barrel profile" FROM "1-12834315-5" WHERE "Name" = 'Gas Piston Carbine';

Question: What models have an A2 barrel profile?
SQL: SELECT "Name" FROM "1-12834315-5" WHERE "Barrel profile" = 'A2';

Question: What hand guard system is used with a Gas Piston Commando?
SQL: SELECT "Hand guards" FROM "1-12834315-5" WHERE "Name" = 'Gas Piston Commando';

Question: What is the bayonet lug status for a M4 HBAR and M4LE Carbine equipped?
SQL: SELECT "Bayonet Lug" FROM "1-12834315-5" WHERE "Barrel profile" = 'M4 HBAR' AND "Name" = 'M4LE Carbine';

Question: What is the barrel length for a cold model LE6921SP?
SQL: SELECT "Barrel length" FROM "1-12834315-5" WHERE "Colt model no." = 'LE6921SP';