True Precision 9mm Barrel for Sig Sauer P365XL — 3.70", 416R Stainless

Model: TPP365XLBX • UPC: 719104537854 • Caliber: 9mm Luger (9x19) • Length: 3.70" • Material: 416R Stainless Steel • Fit: Sig Sauer P365XL (drop-in)

Upgrade your micro-compact with a match-quality barrel engineered for consistency and carry-ready reliability. The True Precision 9mm Barrel for Sig P365XL (3.70") is precision-machined from 416R stainless steel, the gold standard for accuracy-driven pistol barrels. Designed as a drop-in replacement for the factory unit, this barrel offers enhanced lockup, a true target crown, and meticulous chamber geometry for smooth feeding and repeatable point of impact—perfect for concealed carry, training days, and performance shooting.

Why Choose a True Precision Barrel for Your P365XL

• 416R Stainless Accuracy: Premium gun-barrel steel chosen for uniform microstructure and excellent heat resistance—built to hold tight groups over high round counts.

• Drop-In Fitment: Optimized for the Sig Sauer P365XL slide dimensions to install easily without gunsmithing in most pistols.*

• Enhanced Lockup & Consistency: Carefully controlled hood and lug geometry promote stable lockup, helping reduce vertical stringing.

• Refined Chamber & Ramp: Smooth feeding with a broad range of 9mm loads (practice, duty, and many defensive JHP profiles)** when used as directed.

• Target Crown: A precision crown helps protect the rifling at the muzzle for long-term accuracy.

• Corrosion Resistance: Stainless construction withstands sweat, humidity, and daily carry environments.

*Tolerances between individual slides and barrels can vary. Always perform proper safety and function checks.
**Always validate functional reliability with your exact ammunition before carry.

Key Features & Specs

• Manufacturer: True Precision, Inc.

• Platform Fit: Sig Sauer P365XL (3.70" slide configuration)

• Caliber: 9mm Luger (9x19)

• Overall Length: 3.70 inches

• Material: 416R stainless steel, heat-treated

• Rifling/Twist: Match-grade rifling with commonly used twist rate for 9mm (optimized for standard bullet weights)

• Crown: Precision target crown

• Installation: Drop-in (no fitting typically required)

• Model Number: TPP365XLBX

• UPC: 719104537854

Note: Some photos or retailer listings may depict different finish options or threaded variants in the True Precision lineup. This listing is for a 3.70" non-threaded, 416R stainless barrel for the P365XL unless otherwise specified by your retailer.

Real-World Benefits

• Better Confidence at Distance: Tighter mechanical consistency can help shrink groups and stabilize POI for 15–25+ yard work.

• Carry-Ready Reliability: Precision chambering supports smooth feeding and extraction for high-reliability concealed carry (after proper function testing).

• Long-Term Value: Durable stainless construction and a protected crown help preserve accuracy after thousands of rounds.

• Easy Upgrade: Keep your OEM parts and install the True Precision barrel in minutes.

Ideal Use Cases

• Everyday Concealed Carry: Trustworthy performance in a compact footprint.

• Training & Classes: High round-count durability with clean feed and ejection.

• Performance & Competition Practice: Tight tolerances and match-grade construction support repeatable results on the timer.

Installation & Break-In (Quick Guide)

1. Unload & Inspect: Verify the pistol is clear.

2. Field Strip: Remove recoil assembly and factory barrel; drop in the True Precision barrel.

3. Reassemble & Check: Confirm proper lockup and slide operation by hand.

4. Function Test: At the range, run several magazines of your chosen practice and carry ammunition to validate feed, lock-back, and ejection.

5. Confirm Zero: If you’ve changed ammo or sights, reconfirm your point of impact.

Care & Maintenance

• Clean with quality 9mm rods/patches and a non-abrasive solvent; finish with a light protectant.

• Avoid steel brushes; use nylon/bronze for routine fouling.

• Inspect the crown and feed ramp periodically; remove carbon and lint from daily carry.

Compatibility Notes

• P365XL Only: This 3.70" barrel is dimensioned for the P365XL slide and is not intended for standard P365 or Macro variants.

• Ammunition: Designed around SAAMI-spec 9mm ammunition. Always verify reliability with your exact loads before defensive carry.

• Holsters: Non-threaded profile maintains compatibility with most P365XL holsters.

SEO Highlights (Copy & Paste)

• True Precision 9mm barrel for Sig P365XL, 3.70", 416R stainless steel

• Drop-in match-grade P365XL barrel with target crown

• Improved lockup, optimized chamber & feed ramp, corrosion-resistant stainless

• Model TPP365XLBX, UPC 719104537854

• Accuracy upgrade for concealed carry, training, and performance shooting

Frequently Asked Questions

Q: Do I need a gunsmith to install this barrel?
A: It’s designed as a drop-in for most P365XL slides. Perform basic safety and function checks; if lockup is unusually tight or loose, consult a qualified armorer.

Q: Will this fit the standard P365 or P365X/XL with compensators?
A: It’s dimensioned for the P365XL slide length. Other variants may differ; verify your exact model before ordering.

Q: Is it threaded or ported?
A: This listing specifies the 3.70" non-threaded configuration unless your retailer notes otherwise.

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

Safety Reminder

Always follow firearm safety rules. Test new components with your chosen ammunition before relying on them for defensive carry. Ensure all parts are properly installed and functioning as designed.

Elevate your micro-compact’s performance with the True Precision 9mm P365XL 3.70" 416R Stainless Barrel (TPP365XLBX, UPC 719104537854)—a drop-in accuracy upgrade built for everyday carry and serious range work alike.

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