Radical Firearms | Complete Upper 300 AAC Blackout | 16 in | 15 in M-LOK

The Radical Firearms complete upper for .300 AAC Blackout is a factory-assembled MIL-STD upper built around a 16-inch SOCOM-profile CMV barrel with a 1:8 twist and a nitride finish. It includes a 15-inch RPR M-LOK rail and ships with an A2 flash hider, delivering a ready-to-install upper for AR-15 pattern lowers. This assembly is intended for range use and hunting applications where .300 AAC Blackout performance is desired.

Product Specifications

• The caliber is .300 AAC Blackout.
• The barrel length is 16 inches.
• The barrel profile is a SOCOM contour.
• The twist rate is 1:8.
• The barrel steel is CMV (chrome-moly vanadium).
• The barrel finish is a nitride finish.
• The rail is a 15-inch RPR M-LOK handguard.
• The muzzle device is an A2 flash hider.
• The product ships as a complete upper assembly ready to mount to MIL-STD lowers.
• The color is Black.
• The product type is listed as a Complete Upper Receiver.
• This upper is compatible with AR-15 pattern MIL-STD lowers.
• The barrel contour is specified as HBAR.
• The UPC is 816903024186.
• The manufacturer is Radical Firearms.

Built to be a straightforward, no-nonsense choice for builders and shooters, this Radical Firearms complete upper combines a durable CMV barrel and nitride finish with a long M-LOK handguard for accessory flexibility. Whether completing a new build or upgrading an existing platform, the assembly provides practical features and MIL-STD compatibility for consistent performance at the range or in the field.