Z
Zaccaiah762happy overall
Reviewed on April 29, 2026Verified with Build
fit was tight to the upper, took some persuasion to seat properly
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Faxon Firearms 300 Aac Blackout 1-8 Twist 10.5" Barrel
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Faxon Firearms
Overview
The Faxon Firearms 300 AAC Blackout 10.5" barrel is designed for maximum versatility in compact builds, featuring a pencil profile that keeps the overall weight down while maintaining structural integrity. With a 1:8 twist rate, this barrel is optimized for stabilizing a variety of projectile weights, making it a solid choice for both subsonic and supersonic loads. The pistol-length gas system and .750 gas block diameter ensure reliable cycling in shorter AR-15 configurations. This barrel commonly appears in builds focused on 300 Blackout for applications such as home defense and tactical use.
Specifications
MPN15A38P10NGQ
FinishBlack
Barrel ProfilePencil
Gas System LengthPistol
Gas Block Diameter.625
Barrel Length15
CoatingNitride
Twist Rate1:8
Thread Pitch5/8x24
Caliber300 Blackout
Frequently Built With
Based on build data
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
Aero Precision M4e1 Threaded Stripped Ar-15 Upper - No Forward Assist - Anodized Black
Midwest Industries Suppressor Series M-Lok Ar-15 Handguard - 10.5"
Strike Industries Collar Adjustable Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
80%
AR-1580%
AR-1020%
CaliberBased on real build data showing which calibers builders choose alongside this product.
100%
300 Blackout100%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
100%
Pistol100%
| Product | Category | Times Built Together |
|---|---|---|
| Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4 | 13 | |
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 9 | |
| Aero Precision M4e1 Threaded Stripped Ar-15 Upper - No Forward Assist - Anodized Black | 8 | |
| Midwest Industries Suppressor Series M-Lok Ar-15 Handguard - 10.5" | 7 | |
| Strike Industries Collar Adjustable Gas Block | 7 | |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | 7 |
| Platform | Percentage |
|---|---|
| AR-15 | 80% |
| AR-10 | 20% |
| Caliber | Percentage |
|---|---|
| 300 Blackout | 100% |
| Gas System | Percentage |
|---|---|
| Pistol | 100% |
Builds Featuring This Part
See all 10 →Builds in the community that include the Faxon Firearms 300 Aac Blackout 1-8 Twist 10.5" Barrel
| Build | Parts | Total |
|---|---|---|
 | 19 | $665.76 |
 | 14 | $1291.52 |
 | 13 | $4748.49 |
 | 26 | $4775.56 |
 | 33 | $6752.44 |
 | 14 | $1017.50 |
 | 31 | $3547.63 |
 | 16 | $928.24 |
 | 17 | $1973.84 |
 | 10 | $1307.46 |
Customer reviews
4.0out of 5
1 global rating