RADICAL FIREARMS UPPER ASSEMBLY 8.5″ 300 AAC HBAR CONTOUR, 7″ FQR

Description

The Radical Firearms 8.5″ 300 AAC Upper Receiver is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any Mil-Spec AR-15 lower receiver! This fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 8.5″ HBAR Profile Barrel and A2 Flash Hider.

**Bolt Carrier Group and Charging Handle are additional and are also available for purchase on our site.

• 8.5″ HBAR Melonite Barrel
• 4150 V Chrome Moly 1 in 8″ twist rate
• 300 AAC BLACKOUT Chamber
• 5/8×24 Thread Pitch
• HPT/MPI
• M4 Feed ramps
• Low Profile Micro Gas Block
• Stainless pistol-length gas tube
• Direct Gas Impingement
• Mil-spec A2 Flash Hider
• Radical Firearms Free Float 7″ FQR (Quad Rail)
• Forged Upper Receiver with Forward Assist, Ejection Door and Shell Deflector
• All 300 Uppers are test fired in-house with one subsonic and one supersonic round before we ship. We ensure your upper will cycle with subsonic rounds as this is a problem in 95% of the other uppers on the market.

** CANCELLATIONS – Upper Assembly cancellations are subject to a 10% cancellation fee.