Proof Research 6mm Creedmoor Pre-Fit Carbon Fiber Barrel 16″

Proof Research offers a carbon fiber pre-fit barrel engineered for the Sig Sauer Cross platform chambered in 6mm Creedmoor. This 16″ barrel carries a 1:7.5″ twist rate, four-groove rifling and 5/8-24 muzzle threads. The drop-in pre-fit design is intended to allow headspacing and installation without the need for a gunsmith.

Key Specifications

• The barrel type is Pre-Fit.
• The barrel features a Drop-In design for straightforward installation.
• The cartridge is chambered for 6mm Creedmoor.
• The barrel length is 16″.
• The rate of twist is 1:7.5″.
• The bore has 4 Groove rifling.
• The finish is Carbon Fiber.
• It is designed for the Sig Sauer Cross platform.
• The muzzle is threaded 5/8-24.

Lightweight and purpose-built, this Proof Research pre-fit carbon fiber barrel is a practical upgrade for builds focused on weight savings and stable harmonics. Its factory pre-fit, drop-in approach and rifle-oriented specifications make it suitable for precision-oriented use on the Sig Cross platform.