Phase 5 Weapon Systems Inc Extended Bolt Release V2 .308 Black Steel AR-10 2.15in. 308 offers the ability for a faster reload efficient jam clearing and the elimination of unnecessary hand movements during various operations. The Phase 5 EBRv2/308 has gone through a stringent 9 stage manufacturing process and has become a trusted and dependable product for tactical trainers and law enforcement officers. The Phase 5 EBRv2/308 has no obstructing backing plates or screws that may fail come loose or get in the way of some weapon systems. Features of Phase 5 Weapon Systems Inc Extended Bolt Release V2 Compatible With .308 Dpms Gen 1 Type Platforms (Not Compatible With Gen 2). Package Contents: Phase 5 Weapon Systems Inc Extended Bolt Release V2 The Phase 5 Tactical Extended Bolt Release V2 AR-10 EBRV2/308 is a quality addition to the Phase 5 Weapon Systems Inc lineup. For more great deals on AR15 Bolt Catches & Releases by Phase 5 Weapon Systems Inc please browse our Phase 5 Tactical Gun Parts page. What firearm models does the manufacturer say Phase 5 Weapon Systems Inc Extended Bolt Release V2 is compatible with? The manufacturer says that Phase 5 Weapon Systems Inc Extended Bolt Release V2 is compatible with AR-10Phase 5 Weapon Systems Inc Extended Bolt Release V2 AR-10