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

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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Tactical Weapons, PDF, Rifle

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

Ready to Ship: Bartlein Service Rifle Preban – Compass Lake Engineering, LLC

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Tactical Weapons, PDF, Rifle

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Bartlein 16.1″ Tactical Upper – Compass Lake Engineering, LLC

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SOLD - *PRICE DROP* Complete Precision Upper Compass Lake with bolt assembly, Bartlein barrel, Arca handguard, Radiant handle, Jp muzzle brake

Gunsmithing - .308 Barrel Twist RateWhich to Choose?