Colt M4A1 SOCOM/AR-15/M16/M4 5.56x45mm NATO 14.5in Picatinny Upper Receiver SOCOM Heavy Carbine Length 1-7 Twist 1/2x28 A2 Flash Hider Manganese. 56x45mm NATO 14.5in Picatinny Upper Receiver was made in order to be the best product for anyone looking for a high quality option.. These AR15 Upper Receivers from the skilled product specialists at Colt are designed using long lasting and reliable resources to be able to provide you with product which will be beneficial for quite some time. Made utilizing some of the very best accessible components and construction these special AR15 Upper Receivers from the product specialists at Colt can last an exceptionally lengthy time. Colt has been developing top quality merchandise for a very long time and the Colt M4A1 SOCOM AR-15/M16/M4 5.56x45mm NATO 14.5in Picatinny Upper Receiver is their very own means of showing you just how much they care. Right here at OpticsPlanet we make it our responsibility to receive the perfect solution for all your specifications and featuring the Colt M4A1 SOCOM AR-15/M16/M4 5.56x45mm NATO 14.5in Picatinny Upper Receiver is a thing that we're happy to offer. Specifications for Colt M4A1 SOCOM AR-15/M16/M4 5.56x45mm NATO 14.5in Picatinny Upper Receiver: Manufacturer: Colt Caliber: 5.56x45mm NATO Overall Length: 22.75 in Barrel Length: 14.5 in Barrel Profile: SOCOM Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Firearms Threads Per Inch: 1/2x28 Handguard Type: Drop-In Muzzle Device: A2 Flash Hider Finish: Manganese Phosphate Color: Black Gun Model: M16 M4 AR-15 Fabric/Material: Aluminum Handguard Style: Quad Rail Gun Rail: Picatinny Gun Type: Carbine Gun Make: Colt AR Platform Flutes: No Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Features of Colt SOCOM Upper Reciever Kit: Package Contents: Colt M4A1 SOCOM AR-15/M16/M4 5.56x45mm NATO 14.5in Picatinny Upper Receiver What firearm models does the manufacturer say Colt M4A1 SOCOM AR-15/M16/M4 5.56x45mm NATO 14.5in Picatinny Upper Receiver is compatible with? The manufacturer suggests that Colt M4A1 SOCOM AR-15/M16/M4 5.56x45mm NATO 14.5in Picatinny Upper Receiver is compatible with AR-15 M4 M16Colt LE6921SOCOMCK: M4A1 SOCOM/AR-15 5.56x45mm NATO 14.5in Picatinny Upper Receiver SOCOM Heavy Carbine Length 1-7 Twist 1/2x28 A2 Flash Hider Manganese Phosphate Black