True Precision115840913
True Precision Stainless Steel 9mm Barrel with Thread Protector$170.99
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Availability: In Stock
The True Precision 9mm Stainless Steel Barrel with Thread Protector is a match-grade drop-in barrel built to transform the accuracy potential of your SIG P365 compact carry pistol. Machined from certified U.S.-sourced 416R stainless steel and precision broach-cut with 6-groove rifling, this barrel delivers the kind of consistency and reliability you'd expect from a dedicated competition component—without the fitting headaches. Whether you're running your carry gun at the range, testing loads, or pushing your marksmanship skills, True Precision's attention to the fundamentals shows in every detail.
The threaded muzzle design—featuring ½"-28 tpi threads—opens the door to suppressors and compensators, giving you flexibility that standard P365 barrels don't offer. The included thread protector with a heat-resistant Viton O-ring keeps those threads clean and safe when you're not running attachments. Inside, a high-polish SAAMI-spec chamber and polished feed ramp ensure smooth feeding and reliable extraction across a wide range of 9mm loads. The 1-10" rifling twist stabilizes everything from light target rounds to heavier defensive ammunition, and the barrel is lead-bullet safe, so you can run affordable cast ammo without worry.
True Precision heat-hardens this barrel to Rc 42-44 for durability that matches its accuracy credentials. The exterior sports four shallow flutes that balance form and function—they reduce weight slightly and catch light, but they're there because a precision barrel should look as good as it shoots. You can specify your finish: natural matte brushed, Black Nitride, or Gold Titanium Nitride. All three finishes are built for corrosion resistance, so your investment holds up to regular carry and use.
| Caliber | 9mm Luger |
| Barrel Material | 416R Stainless Steel (U.S.-sourced) |
| Rifling | 6-groove, broach-cut |
| Rifling Twist Rate | 1-10" |
| Muzzle Threads | ½"-28 tpi |
| Chamber | SAAMI-spec 9mm Luger, high-polish |
| Hardness | Rc 42-44 |
| Compatibility | SIG P365 |
| Installation | Drop-in, no fitting required |
| Finish Options | Matte brushed, Black Nitride, Gold Titanium Nitride |
| Included Accessories | Thread protector with Viton O-ring |
Yes. True Precision designed this barrel for direct drop-in installation on the P365 with no fitting or gunsmithing required. Just swap it in and you're ready to go.
Absolutely. This barrel is specifically safe for lead bullet ammunition, so you can run inexpensive cast handloads for practice without concern.
The barrel includes a thread protector capped with a heat-resistant Viton O-ring to protect the ½"-28 threads when you're not running a suppressor or compensator.
The barrel features standard ½"-28 tpi threads, which accept any suppressor or compensator designed for that size. Verify your specific attachment's compatibility with the P365 platform.
SKU: 115796435 • Width: 1in • Height: 2.6in • Depth: 6.5in • Weight: 0.25oz
Availability: In Stock
The True Precision 9mm Stainless Steel Barrel with Thread Protector is a match-grade drop-in barrel built to transform the accuracy potential of your SIG P365 compact carry pistol. Machined from certified U.S.-sourced 416R stainless steel and precision broach-cut with 6-groove rifling, this barrel delivers the kind of consistency and reliability you'd expect from a dedicated competition component—without the fitting headaches. Whether you're running your carry gun at the range, testing loads, or pushing your marksmanship skills, True Precision's attention to the fundamentals shows in every detail.
The threaded muzzle design—featuring ½"-28 tpi threads—opens the door to suppressors and compensators, giving you flexibility that standard P365 barrels don't offer. The included thread protector with a heat-resistant Viton O-ring keeps those threads clean and safe when you're not running attachments. Inside, a high-polish SAAMI-spec chamber and polished feed ramp ensure smooth feeding and reliable extraction across a wide range of 9mm loads. The 1-10" rifling twist stabilizes everything from light target rounds to heavier defensive ammunition, and the barrel is lead-bullet safe, so you can run affordable cast ammo without worry.
True Precision heat-hardens this barrel to Rc 42-44 for durability that matches its accuracy credentials. The exterior sports four shallow flutes that balance form and function—they reduce weight slightly and catch light, but they're there because a precision barrel should look as good as it shoots. You can specify your finish: natural matte brushed, Black Nitride, or Gold Titanium Nitride. All three finishes are built for corrosion resistance, so your investment holds up to regular carry and use.
| Caliber | 9mm Luger |
| Barrel Material | 416R Stainless Steel (U.S.-sourced) |
| Rifling | 6-groove, broach-cut |
| Rifling Twist Rate | 1-10" |
| Muzzle Threads | ½"-28 tpi |
| Chamber | SAAMI-spec 9mm Luger, high-polish |
| Hardness | Rc 42-44 |
| Compatibility | SIG P365 |
| Installation | Drop-in, no fitting required |
| Finish Options | Matte brushed, Black Nitride, Gold Titanium Nitride |
| Included Accessories | Thread protector with Viton O-ring |
Yes. True Precision designed this barrel for direct drop-in installation on the P365 with no fitting or gunsmithing required. Just swap it in and you're ready to go.
Absolutely. This barrel is specifically safe for lead bullet ammunition, so you can run inexpensive cast handloads for practice without concern.
The barrel includes a thread protector capped with a heat-resistant Viton O-ring to protect the ½"-28 threads when you're not running a suppressor or compensator.
The barrel features standard ½"-28 tpi threads, which accept any suppressor or compensator designed for that size. Verify your specific attachment's compatibility with the P365 platform.
SKU: 115796435 • Width: 1in • Height: 2.6in • Depth: 6.5in • Weight: 0.25oz