CBC 5.56 NATO/.223 Rem. AR-15 Upper Receiver, 16″ Barrel, 13.5″ KeyMod Handguard

Assembled in Charleston, South Carolina, with high-quality materials and meticulous workmanship…delivering All-American hardware at an unbeatable value. The upper receiver is forged from 7075-T6 aluminum, the hardest and most durable material of any upper, then Mil-Spec Type III hard-coat anodized.

The barrel is made from the most durable material in the barrel world, 4150 chrome moly steel, and features a nitride coating to increase durability and reduce wear.

• Mil-Spec upper is CNC-machined 7075-T6 aluminum with Type III hard-coat anodized finish
• 13.5″ KeyMod free-float CBC handguard
• 16″ 4150 chrome moly steel barrel with phosphate finish
• M4 feed ramps
• Carbine-length gas system with low-profile aluminum gas block
• 0.750″ gas block size
• BCG not included
• Made in the USA
• Backed by a Limited Lifetime Mfr. Warranty

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Key Specifications

• Item Number: 680948
• Chamber: 5.56 NATO/.223 Rem.
• Upper material: Forged 7075-T6
• Barrel length: 16″
• Barrel contour: SOCOM
• Barrel material: 4150 chrome moly
• Barrel Twist Ratio: 1:8″
• Handguard: 13.5″ KeyMod
• Muzzle device: A2
• Mfg. Number: 160-700