| 1. | It is the only division where optical sights and compensators are permitted.
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| 2. | There is also an optical sight for direct fire at ground targets.
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| 3. | After 1992, the M1977 anti-tank guns were modernized with improved optical sights.
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| 4. | The weapon will also accept several optical sights, including the receiver housing.
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| 5. | This tripod featured, beside a 5?5 power optical sight, advanced elevation-and traverse controls.
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| 6. | Meanwhile, the standard optical sight has a maximum elevation adjustment of.
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| 7. | The standard Russian side rail mounted optical sight was the 4?6 "'1P29 "'
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| 8. | The gunner operates the BPU-1 turret, using the PP-61A optical sight.
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| 9. | XIV instead of the SABS, if they had an optical sight at all.
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| 10. | These can be employed when the primary optical sight is damaged.
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