FAXON Firearms Suppressor Optimized Barrel 300BLK 7.5" Pistol Length Black

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Faxon Firearms Suppressor Optimized Barrel 300blk 7.5" Pistol Length Blk - Barrel for AR-15 - view 1
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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.

Specifications

MPNBN15A37P7NGQSM5
Barrel ProfilePencil
Gas System LengthPistol
Caliber300 Blackout
Twist Rate1:8
FinishBlack
Barrel Length7.5
Gas Block Diameter.625
Thread Pitch1/2x28
CoatingQPQ/Nitride

Available Merchants(2)

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Palmetto State Armory
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$134.99
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Brownells
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$171.99

October 2026 on GunPartPicker

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.

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Builds Featuring This Part

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Builds in the community that include the Faxon Firearms Suppressor Optimized Barrel 300blk 7.5" Pistol Length Blk

BuildPartsTotal
for hog hunting 7.5" build
for hog hunting 7.5"
19$2195.16
For night work 7.5" build
For night work 7.5"
8$1276.24

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