Angstadt Arms Complete AR9 Upper Assembly – Black | 9mm | 4.5 Barrel | 4 M-LOK Handguard

Description

Complete 9mm upper receiver pistol assembly with a 4.5″ barrel and 4″ handguard. Ready to run with any 9mm AR-15 dedicated lower receiver, this assembly includes a 9mm bolt carrier group and charging handle.

Angstadt Arms complete upper receiver pistol assembly is ready to run out of the box and features the same high-quality components found in their UDP-9 pistol. It is compatible with both GLOCK® and COLT® style 9mm magazines.

Features:

• 7075-T6 billet aluminum slick side pistol caliber upper receiver with properly sized ejection port
• 4.5″ 9mm lightweight profile barrel made from 4140 chrome-moly steel with a 1:10″ twist rate
• 1/2×36 TPI thread
• 4″ free float handguard with modern ergonomic 7-side design
• Handguard includes 2 QD swivel mounting points
• M-LOK® mounting interface on 7 sides
• Continuous top mil-spec 1913 Picatinny rail
• Handguard inner diameter 1.375″
• Front ¾″ bored to 1.405″ to accommodate suppressors up to 1.39″ diameter
• Black nitride 9mm AR-15 bolt carrier group (compatible with standard AR-15 hammer)
• Compatible with GLOCK® and COLT® style 9mm lower receivers
• A2 style flash hider
• Mil-spec charging handle

Technical Specifications:

• Weight 2.5 lbs
• Caliber 9mm NATO