Tube .875 x 18 x 5/8 thread

The U-B Machine Tube .875 x 18 x 5/8 Thread (MPN 42-1803-C) is a precision-engineered component designed for suppressors and sound moderators. This robust threaded tube interface is essential for tactical accessories that require a secure mounting solution. Gunsmiths and suppressor manufacturers will find this product invaluable for custom suppressor builds.

Constructed from steel and finished with a durable black powder coat, this 18-inch tube is designed to withstand the thermal cycling and pressure cycles associated with suppressor operation. The .875-inch outer diameter and 5/8-18 female thread specification ensure compatibility with common muzzle devices. Precision machining guarantees thread tolerance and concentricity, which are critical for the alignment of internal baffles and suppressor cones.

This tube is specifically designed for suppressor assembly and sound moderator construction, making it suitable for both custom builds and platform-specific silencer manufacturing. Its robust design allows for effective sound attenuation without excessive weight, making it manageable for assembly and service. Whether you are a gunsmith or an armorer-level technician, this tube is a reliable choice for your tactical needs.