

Click to see full view
Faxon Firearms
Overview
The Faxon Firearms Suppressor Optimized Barrel in 300 Blackout features a 7.5-inch pencil profile, designed for a lightweight and maneuverable setup. With a gas system length classified as pistol and a twist rate of 1:8, this barrel is optimized for suppressor use, allowing for effective performance with subsonic and supersonic ammunition alike. This barrel is commonly found in builds that prioritize compactness and versatility, particularly those chambered for the 300 Blackout.
FAXON Firearms Suppressor Optimized Barrel 300BLK 7.5" Pistol Length Black
FAXON Firearms Suppressor Optimized Barrel 300BLK 7.5" Pistol Length Black ranked #131 of the 329 barrels builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #136 of the 1,046 barrels builders have added. Builds with this barrel are nearly all chambered in 300 Blackout, nearly all on pistol-length gas, and nearly all AR-15.
It was out of stock everywhere we track every time we checked in October 2026, and today only Palmetto State Armory has it in stock. Buying today, the lowest price is $134.99 at Palmetto State Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
The part most often added in each category by the builds that include this one

Aero Precision AR-15 Stripped Upper Receiver, No Forward Assist Black

PSA AR-15 Blem "Stealth" Stripped Lower Receiver

ODIN Works O2 Lite M-LOK Free Float AR-15 Handguard - 7.5"

Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers

Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Gold

Aero Precision Gas Tube, Pistol Length - Stainless Steel
Builds in the community that include the Faxon Firearms Suppressor Optimized Barrel 300blk 7.5" Pistol Length Blk
| Build | Parts | Total |
|---|---|---|
![]() | 19 | $2195.16 |
![]() | 8 | $1276.24 |
No reviews yet. Be the first to review this product!