Use of an Off-Bore Weapon Sight in Urban and Wooded Tactics


  1. Tack, D.W.
  2. Colbert, H.J.
Corporate Authors
Defence R&D Canada - Toronto, Toronto ONT (CAN);Humansystems Inc, Guelph ONT (CAN)
This report describes an experiment to investigate the utility of off-bore viewing and target engagement in urban and wooded terrain, and assess the implications of an off-bore weapon system on small team lethality and survivability. In this experiment twelve regular force infantry soldiers performed force-on-force tactical section attacks in both defensive and offensive missions, using off-bore (U.S. Land Warrior) and on-bore (in-service C79 optical sight) weapon sighting systems. Human factors measures included subjective utility and usability measures of the on-bore and off-bore systems. Data collection included questionnaires and focus groups. The results indicated that an off-bore weapon sight might provide advantages over a conventional on-bore sight, primarily in urban terrain and inside buildings where target ranges are short and the complex nature of close quarter urban battle creates many danger areas. In open streets or wooded terrain, an optical sight is preferred. Improvements are suggested for an off-bore sighting system such as improved camera quality, a wider field of view and the incorporation of a laser range finder and zoom capability.

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Soldier Information Requirements Technology Demonstration Project;SIREQ TD;off-bore sight;Land Warrior system;C79 Optical sight;off-bore shooting;off-axis aiming;disconnected rifle sight
Report Number
DRDC-TORONTO-CR-2005-014 — Contractor Report
Date of publication
01 Jul 2005
Number of Pages
Electronic Document(PDF)

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