Making those fine adjustments when using the tripod as a rear support can be difficult. The Rear Admiral, Tripod Rear Support Bag, allows the user to make elevation and traverse adjustments without moving the tripod. The Rear Admiral is quick and easy to put on and take off and works with any stock design. Weighing only approximately 6 ounces you will never know it is there until you make those small adjustments to get on target and hear the steel ringing. The bag fill is user adjustable, made in the USA, and guaranteed for life!