ATI Milsport 8.5 Inch 300 Blackout Upper Receiver

Description

The ATI Milsport 8.5 inch 300 blackout upper is a compact AR-15 upper receiver assembly designed for shooters seeking optimal performance in short-barreled .300 AAC Blackout configurations. Featuring an 8.5″ .300 BLK barrel, this upper balances maneuverability with reliable ballistic performance, making it well suited for suppressed or unsuppressed use depending on configuration.

ATI Milsport 8.5 Inch 300 Blackout Upper has a 7″ free-float M-LOK handguard that provides a lightweight profile while allowing the attachment of essential accessories. The 5/8×24 threaded muzzle supports common .30-caliber muzzle devices, offering flexibility for a wide range of build preferences.

ATI Milsport 8.5 inch 300 blackout upper is manufactured in the USA and compatible with standard AR-15 lower receivers, the ATI Milsport upper is an excellent option for compact AR builds where reliability and modularity are priorities.

Technical Specifications

• Platform: AR-15

• Caliber: .300 AAC Blackout

• Barrel Length: 8.5″

• Handguard Length: 7″

• Handguard Type: Free-Float M-LOK

• Muzzle Thread Pitch: 5/8×24

• Upper Type: Complete Upper Receiver Assembly

• Compatibility: Standard AR-15 lower receivers

• Country of Origin: USA