Andro Corp Industries AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base 5.56 NATO 18.75in 10.3in Barrel Govt. 3in AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base. Established using several of the most extremely strong and dependable resources in existence these AR15 Upper Receivers by Andro Corp Industries will provide you with a product that will give many years of dependability. Andro Corp Industries has been generating high-quality merchandise for a number of years and the Andro Corp Industries 10.3in AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base is their particular approach to revealing exactly how much they are concerned. Here at OpticsPlanet we ensure that it is our responsibility to purchase the most suitable product for all your preferences and showcasing the Andro Corp Industries 10.3in AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base is something that we're happy to offer. Specifications for Andro Corp Industries 10.3in AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base: Manufacturer: Andro Corp Industries Caliber: 5.56x45mm NATO Overall Length: 18.75 in Barrel Length: 10.3 in Barrel Profile: Government Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Threads per Inch: 1/2x28 Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Condition: New Fabric/Material: 4150 CMV Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 7 in Handguard Style: Quad Rail Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Barrel Material: 4150 CMV Steel Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Weight: 60 oz Magazine Included: No Mount Type: M-LOK Country of Origin: USA Package Contents: Andro Corp Industries 10.3in AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base What firearm models does the manufacturer say Andro Corp Industries 10.3in AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base is compatible with? The manufacturer suggests that Andro Corp Industries 10.3in AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base is compatible with AR-15Andro Corp Industries U556103M4F: AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base 5.56 NATO 18.75in 10.3in Barrel Govt Carbine Length 1-7 Twist 1/2x28 Thread A2 Anodized Black