Maximum 9mm performance in a small package
Introducing the AR-15 Complete Bufferless 9mm Pistol-Length Kit. Crafted to precision, this upper boasts a 7" heavy barrel finished with durable parkerization, featuring a 1:10 twist rate and a reliable blowback gas system. Including a lower parts kit to finish out your lower.
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 9mm AR Kit Features
Also included is a 5.5" MLOK 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: Heavy Barrel
- Length: 7.5”
- Twist Rate: 1:10
- Gas System: Blow-back
- Muzzle Threads: 1/2x36
- Feed Ramps: Single
- Material: 4150 CMV
- Finish: Parkerization
- Process: Button Rifled
- Lining: QPQ Nitride
- Muzzle: Spiral Flash Hider
Handguard
- Attachment System: 5.5" 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: M4 Flattop
- Material: Billet 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 Right-Side Charging
Lower Receiver Components Included
- Buffer System: 9mm
- Pistol Brace: Not included
- Parts Kit: 9mm w/ Single Stage Trigger
Lower receiver not included.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
- Caliber:
- 9mm
- Barrel Size:
- 7.5"
- Barrel Finish:
- Parkerized
- Twist Rate:
- 1/10
