Hybrid Barrel 6.5 Grendel 18 1-8 Mid-Length Stainless Steel

Name: Hybrid Barrel 6.5 Grendel 18 1-8 Mid-Length Stainless Steel
Brand: Criterion Barrels
Availability: OutOfStock

Criterion Barrels · Barrels

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Best price

$332.49at Brownells

Out of stock checked Oct 1, 2026

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Store	Price	Availability	Buy	Add to build
Brownells Best price	$332.49checked Oct 1, 2026	Out of stock	Buy at Brownells
OpticsPlanet	$332.49Salechecked Oct 1, 2026	Out of stock	Buy at OpticsPlanet

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$332.49	$332.49	$332.49
OpticsPlanet	$332.49	$332.49	$332.49

Since Sep 28, 2026.

About this part

The Hybrid Barrel 6.5 Grendel 18 1-8 Mid-Length Stainless Steel is a 6.5 Grendel barrel from Criterion Barrels with a mid-length gas system. It's sold by 2 stores, all at $332.49.

Fits and works with

Caliber: 6.5 Grendel · Shop matching ammo
Bolt: 6.5 Grendel / 6mm ARC · Bolt carrier groups
Gas system: Mid-length · Handguards
Muzzle thread: 5/8x24 · Muzzle devices

Specifications

Manufacturer: Criterion Barrels
Platform: AR-15
Caliber: 6.5 Grendel
Gas system: Mid
Thread pattern: 5/8 x 24

From the manufacturer

The 6.5 Grendel cartridge was purpose-built to outperform the 5.56 NATO and .223 Rem. cartridges at extended range, and the Criterion Barrels AR-15 6.5 Grendel barrels are optimized to ensure users get the most from their AR-platform rifle. Each of the Criterion Barrels AR-15 6.5 Grendel barrels are machined from stainless steel and features a hybrid contour and a threaded muzzle compatible with many aftermarket brakes, flash hiders and suppressors. Chambered in 6.5 Grendel Hybrid contour Threaded muzzle: 5/8-24 TPI Stainless-steel finish Mfg: Criterion Barrels Inc