6mm ARC Barrels: Bartlein 4 Groove-Tactical – Compass Lake Engineering, LLC

Our 6mm ARC barrel come standard with 1-7.5 Twist and M4 Feed Ramp. You have the option of barrel type, thread, fluting, finish type and to add a matched bolt. If you have a bolt that you would lik…

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Carmatech Engineering NEMESIS 0.685 Rifled Barrel Autococker Threads 0 – PB Sports LLC

Bartlein Barrels, Inc

Advice on ordering a AR-15 barrel from Compass Lake Engineering.

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Bartlein Barrels, Inc

Deciding between Bartlein and Krieger barrels

Bartlein Barrels, Inc

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