Desert Tech SRS A2 Bolt Assembly .300 Winchester Magnum 7mm Remington Magnum Black. 308 Win and 6.5 Creedmoor conversion kits. Improved model featuring fluted body for reduced weight and smoother function. Compatible with SRS-A2 and SRS-A2 Covert chassis as well as existing SRS-A1 units. Specifications for Desert Tech SRS A2 Bolt Assembly: Manufacturer: Desert Tech Condition: New Quantity: 1 Gun Model: Desert Tech SRS A2 Gun Make: Desert Tech Package Contents: Desert Tech SRS A2 Bolt Assembly What firearm models does the manufacturer say Desert Tech SRS A2 Bolt Assembly is compatible with? The manufacturer says that Desert Tech SRS A2 Bolt Assembly is compatible with Desert Tech SRS A2Desert Tech SRS-BL-BR: SRS A2 Bolt Assembly .300 Winchester Magnum 7mm Remington Magnum Black