The SNIPERCAP (Patent 9816780) was developed by Agile Precision as a solution to common problems faced in the special operations sniper community. It is currently available to US military and LE only. Click here to view the product sheet.
There are three models currently available:
SC-LP318 fits Leupold Mark 6 3-18x 44 mm
SC-LPM151 fits Leupold M151 Spotting scope (Mark 4 60 mm)
SC-SB56 fits Schmidt & Bender 56 mm objective (5-25x and 3-27x)