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_204_343 ( id number, "nation" text, "model" text, "length" text, "barrel length" text, "weight" text )

### Question ###
how long was the m1894 rifle 's barrel ?

### Accurate SQL ###

SELECT "barrel length" FROM table_204_343 WHERE "model" = 'm1894 rifle'