Examination of the Effect of Off-Bore Shooting on Rifle Target Engagement Accuracy During Simulated Engagements

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Authors
  1. Angel, H.A.
  2. Christian, A.B.
  3. Massel, L.J.
Corporate Authors
Defence R&D Canada - Toronto, Toronto ONT (CAN);Humansystems Inc, Guelph ONT (CAN)
Abstract
A 6-day laboratory study was undertaken at Defence Research and Development Canada (DRDC) Toronto, Canada over the period September 21 to September 28, 2001. Twelve-reserve force infantry soldiers assessed the engagement performance of two different off-bore sights, the unmagnified U.S. Land Warrior system and the magnified DCIEM Helmet Mounted Gunsight, against two conventional sights (magnified optical C79 and unmagnified Iron), in a small arms simulator. The shooting tests consisted of a test of time to aim, and tests of shooting precision in the prone and standing position against static and moving targets. The results of time to aim indicated difficulty in quickly aiming with the unmagnified off-bore sight (Land Warrior), and minimal difference in aiming time between the magnified off-bore sight and the conventional sights. Shooting precision was found to be equal between off-bore and on-bore sights, with one exception. Shooting precision was better with the C7 optical sight in comparison to the Land Warrior when participants were in the prone posture. In the gallery range, the magnified off-bore sight performed as well as the magnified optical C79 sight; whereas, the unmagnified off-bore sight performed the worst. For moving targets, the magnified off-bore sight was not tested, and the conventional sights generally outperformed the unmagnified off-bore sight, but only marginally at close (<50m) distances. Based on observations and results from this study, recommendation

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Keywords
Soldier Information Requirements Technology Demonstration Project;SIREQ TD;off-bore sight;Land Warrior system;DCIEM Helmet Mounted Gunsight;off-bore shooting;engagement accuracy;disconnected rifle sight;off-axis aiming
Report Number
DRDC-TORONTO-CR-2005-070 — Contractor Report
Date of publication
01 May 2005
Number of Pages
66
DSTKIM No
CA026802
CANDIS No
524764
Format(s):
Electronic Document(PDF)

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