I made a wrap around insulator out of air cell insulation used in a car windscreen heat shield that you sit on your dash from supercheap auto. Enough in one to make two or three depending on the size of your scope. Mine is only a 5 inch so I got 3. Works very well and cheap as well. I cover my ota and dewshield with it in one not the rear. I used self adhesive stick on felt draw lining to reinforce around attachment holes on the inside, stick on velcro tabs to hold it on once wrapped around. Easy to instal and when not in use it folds up flat.
Al
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