Geissele 6.5mm Straight Cut Rifle Barrel Blank 30-1313-2700-264-075-01-Z

Some builds don't need a pre-shaped taper deciding where the weight sits. The Geissele 6.5mm Straight Cut Rifle Barrel Blank 30-1313-2700-264-075-01-Z is built around that idea — a premium rifle barrel blank at 27.00 inches, cut in a straight profile from high-quality barrel steel, meant to give a gunsmith predictable, even material to work from rather than a contour that's already made decisions for them. This Geissele 6.5mm barrel blank arrives unrifled, unchambered, and without muzzle threads, chambered in 6.5mm (.264) as the intended caliber for the finished build.

That unfinished state is really the appeal of choosing a Geissele barrel blank over a pre-finished option. Since the twist rate isn't cut in at the factory, a smith gets to choose it during finishing based on what the build actually needs. For most 6.5mm projects, something in the 1:8.5 to 1:9 range tends to be the go-to — wide enough to stabilize everything from match loads to the heavier, long-range projectiles 6.5mm shooters gravitate toward. Estimated pre-machining weight runs roughly 4.5 to 6.5 lb, though the final mass depends entirely on how the barrel gets contoured and finished downstream.

This 6.5 barrel blank is built as a genuine foundation rather than a shortcut — the kind of raw material a smith reaches for when a build calls for exact specifications instead of whatever a factory barrel happens to offer. Whether the end goal is a precision rifle, a hunting build, or a long-range 6.5mm project, this blank gives a builder full control over the details that actually determine how the finished barrel performs.

Key Features

• Straight cut profile at 27.00 inches, chambered for 6.5mm (.264)
• Unrifled, unchambered, and threadless — fully customizable at finishing
• 1:8.5–1:9 twist typically chosen to stabilize match and long-range loads
• Estimated pre-machining weight of 4.5–6.5 lb, varies with final contouring
• Built from high-quality barrel steel
• Suited for precision, hunting, and long-range 6.5mm rifle projects