Stag Arms AR-15 3-Gun Elite Left HandUpper Receiver 5.56 NATO 18in Barrel Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black

Stag Arms AR-15 3-Gun Elite Left HandUpper Receiver 5.56 NATO 18in Barrel Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black. Specifications for Stag Arms AR-15 3-Gun Elite Right HandUpper Receiver: Manufacturer: Stag Arms Caliber: 5.56x45mm NATO Muzzle Device: VG6 Gamma Finish: Anodized Color: Black Fabric/Material: Metal Gun Make: AR Platform Gun Model: AR-15 Condition: New Barrel Material: 416R Stainless Steel Country of Origin: USA Features of Stag Arms AR-15 Stag 15 3Gun Elite Upper Receiver Semi-Auto Direct Impingement .223/5.56mm NATO 1/8 Button Rifled Stag 3G Compensator 18″ 416R Stainless Steel Fluted Heavy Barrel 16.5″ Stag 15 M-LOK SL Handguard Upper Receiver: Forged and Mil-Spec with Type 3 Hard Coat Anodizing Gas Systems: Rifle Length with Low Profile Gas Block Package Contents: Stag Arms AR-15 3-Gun Elite Right HandUpper Receiver What firearm models does the manufacturer say Stag Arms AR-15 3-Gun Elite Right HandUpper Receiver is compatible with? The manufacturer suggests that Stag Arms AR-15 3-Gun Elite Right HandUpper Receiver is compatible with AR-15Stag Arms STAG15110611: AR-15 3-Gun Elite Left HandUpper Receiver 5.56 NATO 18in Barrel Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black