Firefly Modification Guide

Here's your Firefly reassembled, the placing of the white pieces is critical for the advancing mechanism to work correctly, so make sure that the turret advances before reassembling the shell.

 

Also make sure that the cocking lever is oriented correctly or the gun will never catch when you cock it.

 

Distances when shot flat, 2 sets of 8 shots (Rounded down to the nearest foot):

 

42, 34, 34, 33, 33, 32, 32, 29

43, 40, 38, 36, 32, 32, 30, 29

Done