The AB Suppressor F-4 (brand part no. F4-1/2-28) is a 9mm pistol caliber carbine suppressor weighing a light 4.5 ounces, built from 100% Grade 5 titanium and circumference welded for maximum strength. AB Suppressor designed the F-4 as a plug-and-play option for pistol caliber carbines, using a flush direct-thread mount on the barrel’s shoulder. The F-4 favors PCC shooters who want a lightweight titanium can without added bulk.

Key Specifications

• Chambered for 9mm pistol caliber carbine platforms.
• Weighs a light 4.5 ounces.
• Built from 100% Grade 5 titanium, circumference welded for maximum strength.
• Threaded 1/2×28 for a flush direct-thread mount on the barrel shoulder.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it's a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What caliber is it rated for? 9mm.

What material is it built from? 100% Grade 5 titanium, circumference welded.

Buy the AB Suppressor F-4 PCC Suppressor

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4 and transfer through a licensed NFA (SOT/Class 3) dealer, with no federal transfer tax; ATF approval on most individual eForm 4 filings now comes back in days, and trusts take a little longer. Order through AB Suppressor‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.