Keep your firearm's threads in pristine condition with this sleek black steel thread protector designed for .578x28 threads. Ideal for US-made 45 ACP barrels it offers robust protection against dust and debris. Simply twist it onto the end of your barrel to maintain clean and crisp threads when not using a silencer. Engineered from durable steel this thread protector ensures long-lasting performance without the risk of cross-threading. Enhance your firearm maintenance with this essential accessory.