Proof Research 128688 AR-Style 6mm ARC 18 in Stainless Steel Finish & Material Length with Threading & .750 in Gas Journal Diameter for AR-Platform, Rifle Barrel

Proof Research's barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry. The Traditional Steel barrel is long-lasting and extreme pressure resistant.

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Caliber:	6mm ARC
Barrel Features:	Threaded
Barrel Type:	Rifle Length
Thread Pattern:	5/8"x24
Finish:	Stainless
Sights:	None
Model:	AR-Style Barrel
Material:	Stainless Steel
Diameter:	.750"
Weight:	2.14 lbs
Firearm Fit:	AR-Platform
Color:	Stainless
Twist:	1:7.50"
Length Range:	16"-20"
Length:	18"