This lightweight folding 6" bipod was originally designed for use with SAW (Squad Automatic Weapons). The bipod is manufactured to USGI milspec. The bipod attaches to rifles with quad or Picatinny rails. The spring loaded bipod deploys instantly and folds securely when not in use. Constructed from black oxide carbon steel and aircraft grade aluminum. Manufactures Website Address www.promagindustries.com Warranty Information