6mm ARC AR-15 Kits – Everything Minus the Lower

6mm ARC AR-15 Kits – Everything Minus the Lower

Shop 6mm ARC AR-15 kits from Moriarti for hunting, target shooting and precision-oriented AR configurations. Browse rifle and pistol kits in multiple barrel lengths, handguards, stocks or pistol configurations, and finishes. Each kit combines the specified upper and supporting components while leaving out the lower receiver. Whether you're searching for a 6mm ARC kit, rifle kit or AR-15 build kit, compare each listing for exact specifications and included components. Lower receiver is not included.

What makes 6mm ARC well suited to the AR-15 platform?

6mm ARC was developed to provide strong ballistic performance from the compact AR-15 platform, offering higher ballistic coefficients and better downrange capability than many traditional AR-15 cartridges. A 6mm ARC configuration requires caliber-appropriate components, including the barrel, bolt and compatible magazine system, so buyers should check the specifications of each kit.