Tier One Tactical/Evolution/ATAC Bipod - Spike Feet Black. Please note that both bipods come with rubber feet as standard. PLEASE NOTE: These feet will not work with the previous iteration of the bipod identified by the spring-loaded legs. If you bought your bipod pre-August 2022 you can find the accessories here: https://tier-one-usa.com/products/bipod-feet If you're not sure which version of the bipod you have the pull-down legs indicate the newer version and the feet on this page are compatible with it. If you have spring loaded legs you have the earlier version of the bipod and the feet on this page are NOT compatible with it. Specifications for Tier One ATAC/Tactical/Evolution Bipod Spike Feet: Manufacturer: Tier One Color: Black Fabric/Material: Aluminum Package Contents: Tier One ATAC/Tactical/Evolution Bipod Spike Feet Nil Tier One T1BSPKFT: Tactical/Evolution/ATAC Bipod - Spike Feet Black