R.A. Sight Hole Cover - for 900GTO mounts shipped since October 2005 (M9403)

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Available from Cloudbreak Optics when we last checked, in the last two days. Sold from the shop’s own store; the price there is the one that counts.

Description This sight hole cover threads onto the back of all 900GTO mounts shipped since October 2005. One of these aluminum covers is included with all new mount purchases, but now they are available separately for anyone who needs one. The rear of the 900GTO R.A. axis was redesigned in October 2005 to be slightly larger than the 1200s, 400s and earlier versions of 900s. This change resulted in the need for a larger diameter cover. If you are uncertain when your 900GTO shipped, please use the