I just recently installed a sling on my R9 and I can shoot fine with it. I don't really use it to support offhand shots, more for carrying it arround/protecting the underside from scratches.
JK's Airgun Forums, moderators, and administrators are not responsible for any problems that may occur from reading or using content posted on this forum, as they are the exclusive responsibility of two parties: the person who posted it and the person who acted on said posted information.Use of our forums by people under 18 years old is allowed only with legal guardian(s) present.