2.5X OPTIONS - EXTERNAL AUDIBLE PORT, CONCENTRIC RING SITE KIT, EXTRA TF LINK, THUMB SCREW
2.5X OPTIONS - 2
External Audible Port: (Black Only) LEFT EAR $26
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External Audible Port: (Black Only) RIGHT EAR $26
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Concentric Ring Sight Kit: $385
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Extra TF Link $40
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Extra Thumb Screw $5
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