Upper Receiver And Rear Sight Assembly
(1)
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Rear Sight Assembly
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(2)
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Rear Sight Windage Knob Retaining Pin
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(3)
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Rear Sight Windage Knob
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(4)
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Rear Sight Windage Knob Helical Spring
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(5)
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Rear Sight Windage Knob Ball Bearing
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(6)
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Rear Sight Windage Screw
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(7)
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Rear Sight Aperture
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(8)
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Rear Sight Flat Spring
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(9)
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Rear Sight Base
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(10)
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Rear Sight Retaining Pin
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(11)
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Rear Sight Elevation Helical Spring
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(12)
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Rear Sight Elevation Index Ball Bearing
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(13)
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Rear Sight Elevation Index Helical Spring
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(14)
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Rear Sight Elevation Index Screw
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(15)
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Rear Sight Elevation Index
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(16)
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Rear Sight Elevation Knob
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(17)
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Ejection Port Cover Retaining Ring
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(18)
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Ejection Port Cover Pin
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(19)
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Ejection Port Cover Helical Spring
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(20)
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Ejection Port Cover
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(21)
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Forward Assist Retaining Pin
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(22)
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Forward Assist Assembly
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(23)
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Forward Assist Helical Compression Spring
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(24)
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Upper Receiver
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