Harris Bipod attached directly to M-Lok rail, with a 13.50"-27" vertical adjustment. Swiveling action to compensate for uneven terrain. This model has a built in sling swivel stud to attach the sling.
Specifications:

Description
Type of Bag
Prefilled-Empty
Type of Feet	Rubber
Cradle Blocks
Material	Steel/Aluminum
Vertical Adjustment	13.5-27"
Lockable Position
Weight	18.60 oz
Adaptor Type
Dimensions
Attachment Type	M-LOK
Yoke Type
No. of Legs	2
Includes