AR-STONER AR-15 A3 Upper Receiver Assembly 6.5 Grendel 16″ Barrel 15″ Ultralight M-LOK Handguard

This powerful AR-STONER A3 Upper Receiver Assembly in 6.5 Grendel is designed to provide all the function, style and affordability for today’s modern sporting rifle shooter. It features a 16″ 4150 chrome moly steel, heavy contour barrel with 1:8 twist. The A3 upper attaches to virtually any standard AR-15 lower receiver. Additional features include a carbine-length gas system, flash hider, and an Ultralight 15” free float M-Lok Handguard. The handguard features a sleek design while maintaining strength and ergonomics. Finish building the gun of your dreams with this AR-STONER AR-15 A3 Upper Receiver Assembly in 6.5 Grendel.

Features:

• Complete Bolt Carrier Group
• 15″ Ultralight M-Lok Handguard
• 16” 4150 Chrome Moly Steel
• Flash Hider
• Charging Handle

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