Accu-tac's lr-10 spikes are the perfect accessory for your bipod.They provide aggressive traction on dirt or any soft surfaces and are cnc machined from aluminum with a black oxide finish.The replacement spikes have a simple screw on design for the lr-10 bi-pod that allows you to quickly change from rubber feet to steel spikes in seconds.Adaptor Type: Accu-Tac LR-10 BipodDescription: Bi-Pod FeetType Of Bag: SpikesPrefilled-empty: BlackCradle Blocks: AluminumMaterial: Aluminum