GrovTecs Thread Protectors are the perfect choice for protecting your threaded barrel. Available in popular thread pitches and exterior diameters, GrovTecs Thread Protectors will give your barrel a lifetime of protection and keep your threads in perfect working condition.

Features :

• Black Oxide Finish
• "1/2X24" Thread Pitch"
• ".625" Diameter,
• Fits AR Pencil Barrel Profiles
• Made in the U.S.A.