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True Precision
The True Precision barrel for Sig Sauer P365-FUSE is a drop-in upgrade designed for shooters who want tighter groups and better reliability from their compact 9mm. Built to tighter tolerances than factory Sig barrels, this USA-made component swaps directly into 4.3" P365-FUSE models without gunsmithing. True Precision barrels are engineered around precision: proprietary broach-cut rifling, optimized chamber and feed ramp geometry, and stainless steel that's sourced and inspected to exacting standards.
If you carry a P365-FUSE or run it for defensive training, a quality aftermarket barrel pays dividends in shot consistency and ammunition compatibility. True Precision's approach emphasizes feeding everything—factory rounds, budget ammunition, even cast lead loads—without the feeding hiccups that plague some OEM designs. The 1/10" right-hand twist and 6-groove rifling profile are tuned for reliable expansion and performance across the velocity spread you'll encounter in carry and training ammo.
This is the black DLC (Diamond-Like Carbon) finish version, a coating that resists corrosion and reduces friction. Drop it in, function-test, and you're ready to shoot. True Precision barrels appeal to competitive shooters, defensive-minded carriers, and anyone who refuses to accept mediocre precision from a gun small enough to pocket.
| Manufacturer | True Precision |
| Firearm Compatibility | Sig Sauer P365-FUSE (4.3" models) |
| Caliber | 9mm |
| Material | 416R Stainless Steel |
| Rifling | 6-Groove Broach Cut, 1/10" Right-Hand Twist |
| Finish | Black DLC (Diamond-Like Carbon) |
| Barrel Length | 4.3" |
| Installation | Drop-In Ready |
Yes. This barrel is designed as a drop-in replacement for Sig Sauer P365-FUSE 4.3" models. No gunsmithing or fitting is required—remove the factory barrel and install the True Precision barrel.
True Precision designed this barrel to feed and cycle all ammunition types reliably, including factory loads, budget ammunition, and cast lead rounds. The optimized chamber and feed ramp eliminate many of the feeding issues common to factory P365-FUSE barrels.
No. This barrel does not retain the factory LCI cut-out feature. If your P365-FUSE uses the LCI function, you should be aware of this difference before purchasing.
Yes. The barrel features a 4.95" thread pattern suitable for standard muzzle devices and suppressors.
True Precision
The True Precision barrel for Sig Sauer P365-FUSE is a drop-in upgrade designed for shooters who want tighter groups and better reliability from their compact 9mm. Built to tighter tolerances than factory Sig barrels, this USA-made component swaps directly into 4.3" P365-FUSE models without gunsmithing. True Precision barrels are engineered around precision: proprietary broach-cut rifling, optimized chamber and feed ramp geometry, and stainless steel that's sourced and inspected to exacting standards.
If you carry a P365-FUSE or run it for defensive training, a quality aftermarket barrel pays dividends in shot consistency and ammunition compatibility. True Precision's approach emphasizes feeding everything—factory rounds, budget ammunition, even cast lead loads—without the feeding hiccups that plague some OEM designs. The 1/10" right-hand twist and 6-groove rifling profile are tuned for reliable expansion and performance across the velocity spread you'll encounter in carry and training ammo.
This is the black DLC (Diamond-Like Carbon) finish version, a coating that resists corrosion and reduces friction. Drop it in, function-test, and you're ready to shoot. True Precision barrels appeal to competitive shooters, defensive-minded carriers, and anyone who refuses to accept mediocre precision from a gun small enough to pocket.
| Manufacturer | True Precision |
| Firearm Compatibility | Sig Sauer P365-FUSE (4.3" models) |
| Caliber | 9mm |
| Material | 416R Stainless Steel |
| Rifling | 6-Groove Broach Cut, 1/10" Right-Hand Twist |
| Finish | Black DLC (Diamond-Like Carbon) |
| Barrel Length | 4.3" |
| Installation | Drop-In Ready |
Yes. This barrel is designed as a drop-in replacement for Sig Sauer P365-FUSE 4.3" models. No gunsmithing or fitting is required—remove the factory barrel and install the True Precision barrel.
True Precision designed this barrel to feed and cycle all ammunition types reliably, including factory loads, budget ammunition, and cast lead rounds. The optimized chamber and feed ramp eliminate many of the feeding issues common to factory P365-FUSE barrels.
No. This barrel does not retain the factory LCI cut-out feature. If your P365-FUSE uses the LCI function, you should be aware of this difference before purchasing.
Yes. The barrel features a 4.95" thread pattern suitable for standard muzzle devices and suppressors.
