True Precision Sig 9mm 3.70 in Fluted Drop-In Barrel

True Precision’s TPP365XLBX is a drop-in replacement barrel engineered for Sig Sauer 3.7 inch P365XL family pistols in 9mm Luger. The fluted satin stainless design pairs corrosion-resistant material with weight-reducing flutes to retain a compact profile while maintaining strength. This barrel is intended to provide consistent chambering and reliable feeding in compatible P365XL, P365X-MACRO, and Tacops 9mm models.

Key Specifications

• Chambered for 9mm Luger.
• The barrel length is 3.70 inches.
• Finished in Satin Stainless.
• This is a Drop In barrel designed for straightforward installation.
• Barrel surface is Fluted to reduce weight and aid heat dissipation.
• Compatible with Sig P365XL, P365X-MACRO, and Tacops 9mm models.
• Rate of twist is 1:10 RH.
• Manufacturer model identifier: TPP365XLBX.
• Construction material: Satin Stainless Steel.

Engineered for compact carry platforms, the TPP365XLBX offers a stainless fluted option that balances durability and weight. Its drop-in design simplifies installation while the specified twist and chambering support consistent performance with compatible 9mm loads, making it a practical upgrade for owners seeking a precision-focused replacement barrel.