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The Christensen Arms Rem 700 carbon fiber barrel in .450 Bushmaster is built for folks who want thumper-level knockdown power in a package that carries like a lightweight mountain rifle. At its heart is a match-grade 416R stainless steel liner held to a tight bore tolerance, wrapped in the company's proprietary layered carbon fiber. That carbon wrap does the heavy lifting on rigidity and heat dissipation while shaving off the ounces you'd normally live with on a straight steel barrel of the same contour. The result is a barrel that keeps its harmonics consistent shot to shot, which is exactly what you want out of a big-bore woods gun.
The .450 Bushmaster is a straight-wall bruiser that hits hard inside a couple hundred yards, and the 20-inch length is the sweet spot for this cartridge. You get enough barrel to burn the powder efficiently without ending up with a front-heavy rifle that's a pain to swing on a whitetail in thick cover. The 1:16 twist is dialed in for the heavy .452-diameter bullets this round runs, keeping them stable and on target. If you hunt straight-wall cartridge country or just love a hard-hitting deer and hog rig, this chambering earns its keep.
This is a sporter contour barrel cut for Remington 700 pattern actions, so it slots right into the most popular custom platform out there. The sporter taper drops weight fast, which is the whole point of a carry-all-day hunting rig. Carbon fiber also handles the field abuse of a hunting season better than you might expect, and the finish shrugs off weather while you're sitting in a wet stand.
Like any Rem 700 barrel, this one should go on the action by a qualified gunsmith who can set headspace and verify everything checks out before you send rounds downrange. It's short chambered work in the sense that final fitting belongs on the bench, not the tailgate. Get it fitted properly and you've got a lightweight .450 Bushmaster that punches way above its weight class.
It's both, in a sense. The core is a match-grade 416R stainless steel liner, and that liner is wrapped in Christensen Arms' proprietary layered carbon fiber. The carbon wrap adds rigidity and helps with heat dissipation while cutting weight compared to an all-steel barrel of the same contour.
It's built for Remington 700 pattern actions and uses the standard 700 barrel tenon threading. That said, not every action marketed as a 700 clone uses true 700 threads or bolt face dimensions, so it's worth confirming your action matches before you order.
We'd steer you toward a qualified gunsmith for this one. Final fitting, headspace, and verification need to happen on the bench with the right tooling before you fire a round. Get it set up correctly and you'll be rewarded with consistent accuracy.
The 20-inch length is a great match for the .450 Bushmaster's powder charge, giving you efficient velocity without a nose-heavy rifle. Paired with the 1:16 twist, it stabilizes the heavy straight-wall bullets this cartridge is known for. It makes for a hard-hitting, easy-handling setup in the deer woods.
| UPC | 696528094135 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 810-00031-50 |
| Product Type | Accessory-Barrels |
| Shipping Weight | 0.0 |
| Caliber/Gauge | .450 Bushmaster |
| Barrel Length | 20" |
| Model | |
| Length | 20'' |
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