Phase 5 Weapon Systems Inc V2 .308 Caliber Extended Bolt Release Red Small. Direct replacement for the standard .308 bolt catch. Monolithic tri-steeltechnology gives the (EBRv2/308) the ability to be lightweight and super strong. This EBRv2/308 was made for the DPMS type 308 rifles. This unit has gone through a stringent 9 stage manufacturing process; creating the product that is depended on and trusted by tactical trainers and law enforcement officers nationwide. (EBRv2/308) has no obstructing backing plates or screws that fail come loose or get in the way of some weapon systems. Specifications for Phase 5 Weapon Systems Inc V2 .308 Caliber Extended Bolt Release: Manufacturer: Phase 5 Weapon Systems Inc Gun Model: AR308 Fabric/Material: 6061-T6 Aluminum Caliber: .308 Winchester Finish: Anodized Size: Small Length: 2.15 in Package Contents: Phase 5 Weapon Systems Inc V2 .308 Caliber Extended Bolt Release What firearm models does the manufacturer say Phase 5 Weapon Systems Inc V2 .308 Caliber Extended Bolt Release is compatible with? The manufacturer suggests that Phase 5 Weapon Systems Inc V2 .308 Caliber Extended Bolt Release is compatible with AR308Phase 5 Weapon Systems Inc EBRV2308-RED: V2 .308 Caliber Extended Bolt Release Red Small