PROOF Research 6mm Creedmoor Pre-Fit Drop-In Stainless Bolt Action Barrel, 1:7.5 Twist, Part 134573

Proof Research 134573 Bolt Action Barrel Pre-Fit 6mm Creedmoor 20" 1:7.50" Twist (5 Groove), 5/8"-24 tpi Threaded, Stainless Steel, Drop-In Design for Sig Cross

Upgrade your SIG Cross with the PROOF Research 134573 6mm Creedmoor pre-fit barrel, designed to provide a convenient drop-in replacement without sending your rifle to a gunsmith for a barrel change. This bolt action barrel is engineered as a stand-alone component and is designed to headspace properly when installed according to the manufacturer’s instructions, helping streamline the replacement process for qualified users.
The barrel features a stainless finish for a clean, durable exterior and is configured for 6mm Creedmoor applications. Its 1:7.5 twist rate is suited to stabilizing a broad range of modern 6mm Creedmoor projectiles, making it a practical choice for precision shooting and rifle upgrades. The five-groove bore design reflects PROOF Research’s focus on consistent performance and dependable manufacturing quality.
As part of PROOF Research’s E X Tra Barrels line, this pre-fit barrel is built for shooters who want a straightforward path to updating their SIG Cross platform. The drop-in design helps reduce installation complexity compared with traditional barrel replacement methods, while the stainless construction offers a professional appearance and long-term service potential with proper care. Verify firearm compatibility, chambering, installation requirements, and headspace before use, and follow all applicable firearm safety procedures. The PROOF Research brand and part number 134573 make it easy to identify the correct replacement barrel for your setup.

Features:

• Model: Bolt action barrel designed for the SIG Cross platform

• Chambering: 6mm Creedmoor

• Twist: 1:7.5 twist rate for stabilizing compatible projectiles

• Bore Type: Five-groove bore configuration

• Finish: Stainless finish for durability and a clean appearance

• Barrel Type: Pre-fit replacement barrel

• Barrel Features: Drop-in design intended to simplify installation

• Product Line: PROOF Research E X Tra Barrels

• Part Number: 134573