AR9 Right-Side Charging Bufferless Upper Assembly – 5″ Parkerized M4 Barrel, 1:10 Twist Rate with 4″ M-LOK Handguard

Description

The most compact AR upper on the market. Period.

Introducing the AR-15 Complete Bufferless 9mm Pistol-Length Upper Assembly. Crafted to precision, this upper boasts a 5″ M4 barrel finished with durable parkerization, featuring a 1:10 twist rate and a reliable blowback gas system.

Includes Sealed, Bufferless End Plate

This bufferless 9mm upper includes a unique, sealed end plate. The plate features a Picatinny rail for attaching a folding stock adapter!

Other Upper Features

Also included is a 4″ M-LOK rail, and M4 flat-top billet upper receiver. Equipped with a top-tier 9mm bolt carrier group and a flash hider, this upper also showcases the latest Gen 2 Side Charging handle for seamless operation. Designed to seamlessly integrate with mil-spec AR9 80% lowers and retail AR9 lowers, this upper offers unparalleled performance and compatibility.

Install Instructions

Want to learn how the bufferless AR upper installs and functions? See our step-by-step instructional guide!

AR-9 Upper Assembly Specs

Barrel

• Chamber: 9mm
• Contour: M4
• Length: 5”
• Twist Rate: 1:10
• Gas System: Blow-back
• Muzzle Threads: 1/2×36
• Feed Ramps: Single
• Material: 4150 CMV
• Finish: Parkerization
• Process: Button Rifled
• Lining: QPQ Nitride
• Extension: M4
• Muzzle: Spiral Flash Hider

Handguard

• Attachment System: 4” M-LOK
• Finish: Type III Hardcoat Anodized (Mil-Spec)
• Top Rail: Split Rail / 1913 / Picatinny Rail
• Material: 6061-T6 Billet Aluminum
• Attachment: Barrel Nut

Upper Receiver

• Profile: A3 Flattop
• Material: Forged 7075-T6 Aluminum
• Finish: Type III Hardcoat Anodized (Mil-Spec)

Bolt Carrier Group

• Profile: 9mm / Blow-back
• Steel: 9310 Tool, HPT/MPI-tested
• Exterior: Black Nitride
• Interior: Parkerized
• Gas Key: 9mm Blow-back
• Charging Handle: Included Left-Side Charging

Lower receiver not included.