Originally Posted by
aghost
Da Rock: Sierra has rotating retracts (pneumatic) that extend 100 degrees. I have them on my TF .60 Corsair ARF.
Brian
yup, here the retracts themselves are:
http://www.sierragiant.com/prod30.html
Their specs are for up to 14lb models. One pound for the retracts themselves. $290 for the two mechanisms shown.