Bersa WhisperTech B-556X | 5.56 NATO | 1/2×28 | 556XTDT-A

The Bersa WhisperTech B-556X is a direct-thread suppressor designed for 5.56 NATO applications. It is full‑auto rated and built from corrosion‑resistant 17-4 HH1150 stainless steel, finished in black with QPQ/SBN treatment. The unit’s compact profile is intended to integrate with most AR‑platform handguards while minimizing added length at the muzzle.

Product Specifications

• The model is listed as B-556X.
• The manufacturer is Bersa.
• The manufacturer/ATF model number is 556XTDT-A.
• The caliber rating is 5.56 NATO.
• The threads are specified as 1/2 x 28.
• The attachment method is Direct Thread (1/2 x 28).
• The construction material is 17-4 HH1150 stainless steel.
• The listed finished surface is SBN / QPQ.
• The exterior color is Black.
• The suppressor body diameter is 1.2 inches.
• The overall length is listed as 5.975 inches.
• The device is rated for Full‑Auto operation.
• The design utilizes a MonoCore / Couvillion method intended to manage gas expansion and sound attenuation.
• The product is identified on record with UPC 704674448457.

Compact and designed for durability, the B-556X focuses on integration with AR-style platforms and repeated use under demanding conditions. Its direct-thread interface and stainless construction make it suitable for range training and precision / tactical-style shooting applications where a slim profile and full-auto rating are required.