4 Categories of the Ultralight Harris Bipods:
Model BR: (Bench Rest) Lowest Harris bipod. Useful for shooting off a bench or prone. Adjustable from 6" to 9". Wt 10 oz.
Model L: The most popular all around bipod. Adjustable from 9" to 13". Wt 11 oz.
Model H: For prone or sitting, if you need extra height. Adjustable from 13 1/2" to 23". Wt 13 oz
Model 25C: Tall model. Adjustable from 13 1/2" to 27". Wt 15 oz
Each category has the following models:
Basic model- legs can be set at any position, then tightened. Legs deploy with spring action, then can be re- set.
Model "M": Notched Leg model. Height settings in 1" increments.
Series "S": Rotates to either side for instant leveling on uneven ground. Hinged base has tension adjustment and buffer springs to eliminate tremor or looseness. Not available for the "H" model bipod.