True Precision 9mm Barrel for Sig Sauer P365 — 3.10", 416R Stainless

Model: TPP365BX • UPC: 719104536161 • Caliber: 9mm Luger (9x19) • Length: 3.10" • Material: Match-grade 416R Stainless Steel • Fit: Sig Sauer P365 (drop-in)

Give your everyday carry pistol a precision upgrade with the True Precision 3.10" 9mm barrel for the Sig P365. Machined from 416R stainless steel—the gold standard for accuracy-focused handgun barrels—this drop-in unit enhances lockup consistency, protects rifling with a precision crown, and delivers smooth, reliable feeding with a wide range of practice and defensive ammo. Whether you’re building confidence at 25 yards, running a high-round-count class, or fine-tuning your EDC, True Precision brings match-grade performance to the ultra-compact P365.

Why Choose True Precision for Your P365

• 416R Stainless Accuracy: Barrel-grade stainless chosen for uniform microstructure, heat stability, and long-term precision—ideal for high round counts and carry environments.

• True Drop-In Fit: Dimensioned specifically for the Sig Sauer P365 slide to install in minutes—no gunsmithing typically required.*

• Enhanced Lockup Geometry: Tight hood and lug tolerances promote repeatable lockup, helping reduce vertical stringing and improve group consistency.

• Optimized Chamber & Feed Ramp: Smooth cycling with common 9mm loads (FMJ and many JHP designs), supporting reliable function once properly vetted.**

• Precision Target Crown: Protects the muzzle and supports consistent accuracy over time.

• Corrosion Resistance: Stainless steel construction resists sweat, humidity, and daily carry wear.

*Manufacturing tolerances vary by pistol. Always perform safety/fit checks.
**Always confirm 100% reliability with your chosen carry ammunition before EDC.

Key Features & Specs

• Manufacturer: True Precision, Inc.

• Platform: Sig Sauer P365 (standard 3.10" slide)

• Caliber: 9mm Luger (9x19)

• Length: 3.10 inches

• Material: 416R stainless steel, heat-treated

• Rifling: Match-grade rifling optimized for common 9mm bullet weights

• Crown: Precision target crown for protected rifling and repeatable POI

• Finish: Natural stainless (non-threaded, non-ported unless otherwise specified by retailer)

• Install: Drop-in replacement

• Model: TPP365BX • UPC: 719104536161

Note: Images across the True Precision lineup may show different finishes or threaded versions. This listing is for a 3.10" non-threaded 416R stainless barrel for the standard P365.

Real-World Benefits

• Confidence at Distance: Improved lockup and uniform rifling can help tighten 15–25+ yard groups and stabilize POI.

• Carry-Grade Reliability: Chamber geometry tailored for smooth feeding and positive extraction helps your P365 run clean after proper validation.

• Durable Value: Stainless construction and a protected crown help preserve accuracy through thousands of rounds and daily holster cycles.

• Simple Upgrade: Keep your OEM barrel as a spare; drop in the True Precision barrel and hit the range.

Ideal Use Cases

• Everyday Concealed Carry: Match-grade consistency in an ultra-compact footprint.

• Training & High-Round-Count Classes: Heat-resistant stainless and refined chambering for smooth cycles and easy cleanup.

• Performance Practice: More repeatable POI makes sight confirmations and transitions faster.

Installation & Break-In (Quick Guide)

1. Unload & Verify Clear.

2. Field Strip: Remove slide, recoil spring/guide, and factory barrel.

3. Drop In: Insert the True Precision P365 barrel and reassemble.

4. Function Check: Hand-cycle to confirm lockup, hood fit, and ejection path.

5. Range Test: Run several mags of your practice and carry ammo; verify feed, lock-back, and ejection.

6. Confirm Zero: If you’ve changed ammo or sights/optics, reconfirm POI.

Care & Maintenance

• Clean with quality 9mm tools and a non-abrasive solvent; apply a light protectant to exterior if storing long term.

• Use nylon/bronze brushes (avoid harsh steel).

• Inspect the feed ramp and crown periodically; remove carbon and lint that can accumulate with daily carry.

Compatibility Notes

• P365 Only: Sized for the standard 3.10" P365 slide. Not intended for P365XL (3.70"), X-Macro, or compensated variants.

• Ammunition: Designed around SAAMI-spec 9mm. Always prove your chosen defensive load before carry.

• Holsters: Non-threaded, standard-profile muzzle maintains compatibility with most P365 holsters.

SEO Highlights (Copy & Paste)

• True Precision 9mm barrel for Sig P365, 3.10", 416R stainless steel

• Drop-in match-grade barrel with target crown and enhanced lockup

• Smooth feeding, corrosion-resistant stainless, accuracy upgrade for EDC

• Model TPP365BX, UPC 719104536161

• Ideal for concealed carry, training, and performance practice

Frequently Asked Questions

Q: Is this barrel threaded or ported?
A: This SKU specifies a non-threaded, non-ported 3.10" stainless barrel for the standard P365.

Q: Do I need a gunsmith?
A: It’s designed as a drop-in. If fit feels unusually tight/loose or you see abnormal wear patterns, consult a qualified armorer.

Q: Will it fit P365XL or X-Macro?
A: No. This model is cut for the standard P365 length. Use True Precision barrels sized for those variants.

Q: What accuracy gains can I expect?
A: Results vary by shooter and ammo. Many users report smaller groups and more consistent POI thanks to improved lockup and crown quality.

Safety Reminder

Follow the four rules of firearm safety. Thoroughly test any new barrel with your intended ammunition before relying on it for defensive use. Ensure all parts are properly installed and functioning.

Upgrade your ultra-compact with match-grade steel and carry-ready reliability. The True Precision P365 3.10" 416R Stainless Barrel (TPP365BX, UPC 719104536161) delivers drop-in accuracy, smooth feeding, and long-term durability—perfect for EDC and serious range work.

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