Strike SIBCTPFDE AR Barrel Thread Protector .5x28 tpi 6061-T6 Aluminum FDE Strike's Barrel Thread Protector is a machined aluminum thread protector that adds a degree of customization and aesthetics to protect your crown and threads.
This model has a 1/2x28 tpi pattern and an FDE finish. Type: Thread Protector Model: AR Style Material: 6061-T6 Aluminum Thread Pattern: .5x28 tpi Finish: Flat Dark Earth