NCSTAR Bipod, Spring Loaded Folding Action, Friction Lock Legs, 3 Adapters Included (AR-15 GI Handguard, Universal Barrel Mount, Weaver/Picatinny Type Rail with Sling Stud), Fits Most Rifles with Swivel Stud, 5.5"-8", Black ABPGC
Specifications:

Description
Type of Bag
Prefilled-Empty
Type of Feet	Rubber
Cradle Blocks
Material
Vertical Adjustment	5.5-8"
Lockable Position	Yes
Weight	10.20 oz
Adaptor Type
Dimensions
Attachment Type	Sling Stud/Picatinny Rail/Weaver Style Rails
Yoke Type
No. of Legs	2
Includes	Adapters