
Suppressors go through a Class 3 (SOT) dealer, and the federal tax on them has been $0 since January 1, 2026. You still pay the dealer's transfer fee. Some states only allow suppressors and SBRs that are federally registered or possessed in compliance with federal law. Check your state's statute before you buy.
Federal and state suppressor rulesAB Suppressor
Overview
The AB Suppressor 9MM PCC F4 is a direct thread suppressor designed specifically for 9mm applications, measuring 6 inches in length. Its direct thread mounting type ensures a secure attachment to your barrel, optimizing performance and accuracy while reducing muzzle blast and recoil. This suppressor is commonly used in pistol caliber carbine builds, making it a popular choice for those seeking to enhance their shooting experience with quieter operation.
Prices checked
Builders on GunPartPicker first added the AB SUPPRESSOR 9MM PCC F4 1/2-28 DT 6.0 to a build in April 2026.
It was hard to find in September 2026, in stock on only 1 of the 16 days we checked, and today the one retailer we track is out of stock. Prices barely moved in September 2026, holding around $656.50, so there haven't been real sales lately. Listed prices start at $640 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every suppressor by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Suppressor Guide →Check it against the live catalog:
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