TruGlo TFO Fiber Optic Handgun Sight Set for Novak 1911 .270/.450 Green TG-TG131NT2. 270/.450 Novak Self-Locking .270 Front / .450 Rear the Truglo TFO Fiber Optic Handgun Sight w/ Front and Rear Green or Yellow Lo Mount is an extremely versatile and...