AB SUPPRESSOR F4 9mm PCC | 1/2×28 Direct-Thread | Titanium

The AB SUPPRESSOR F4 is a lightweight suppressor engineered for 9mm pistol-caliber carbines (PCC). It is built from Grade 5 titanium and uses a flush direct-thread mount for an all-muzzle-forward profile. At approximately 4.5 ounces, the F4 prioritizes minimal weight and reduced muzzle footprint for PCC platforms.

Common applications include competition PCC stages and precision or volume range training with pistol-caliber carbines. The F4 is designed for straightforward installation and minimal added length when mounted directly to a compatible 1/2×28 threaded barrel.

Product Specifications

• The manufacturer is AB SUPPRESSOR.
• The model designation is F4 (direct-thread variant).
• The caliber/gauge is 9mm.
• The listed weight is approximately 4.5 ounces.
• The construction material is 100% Grade 5 Titanium.
• The external diameter measures 1.50 inches.
• The thread pattern is 1/2×28 for direct-thread installation.
• The mount type is a flush direct-thread mount that engages the barrel shoulder for an all-muzzle-forward design.
• The suppressor is circumference welded for enhanced structural strength.
• The design includes wrench flats at the base of the mount to assist installation and torqueing.
• The F4 is intended for plug-and-play use on pistol-caliber carbines (PCC).
• A related variant, the F-4L, adds three additional baffles and approximately 1.1 inches of length for increased suppression (variant referenced by manufacturer materials).
• The suppressor is described as having a near-zero muzzle-forward footprint to minimize added length when installed.
• The UPC is 679065311194.

The F4 is a straightforward, low-mass option for shooters who want a minimal-length, titanium direct-thread suppressor for 9mm PCCs. Its combination of light weight, durable materials and a simple flush mount makes it suitable where minimal added length and reliable attachment are priorities.