6.5 mm Creedmoor SAAMI Chamber Reamer Rougher

6mm Creedmoor SAAMI Rougher Chamber Reamer – Premium Pilot w/ Screw | HSS & Carbide

Our 6mm Creedmoor SAAMI Rougher Chamber Reamer is designed for efficient material removal during the initial chambering process, providing a fast, consistent foundation before final finishing. Each reamer is individually hand-stoned to promote smooth, chatter-free cutting and reliable performance.

Manufactured to SAAMI specifications (or custom specifications upon request), this rougher reamer meets current industry standards for gunsmiths, barrel makers, and precision rifle builders working with 6mm Creedmoor cartridges.

Premium design includes a removable pilot secured with a screw for precise bore alignment. Each reamer comes with one nominal bore bushing for proper fit and stability during cutting.

Material Options

• HSS (High-Speed Steel): 3/8" square drive shank

• Carbide: .4375" cylindrical shank (ideal for production runs)

Square drive can be added to carbide upon request.

Key Features

• Precision 6mm Creedmoor rougher chamber reamer (SAAMI spec)

• Designed for initial chamber cutting and material removal

• Hand-stoned for smooth, consistent cutting

• Premium pilot with removable screw system

• Includes nominal bore bushing

• Available in HSS and Carbide

• Ideal for gunsmithing, barrel chambering, and production work

Tolerance Specifications

• Rougher Reamer: -0.009" (unless otherwise specified)

Built for efficient rough cutting while maintaining alignment and consistency prior to finishing