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″ 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.
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
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
- Platform:
- AR9
- Barrel Size:
- 5″
Frequently Asked Questions
- How fast is shipping?
- Orders ship within 3 business days to your selected Michigan FFL dealer with full tracking info.
- Where can I pick up my firearm?
- Pickups are at licensed FFL dealers in Michigan. Use terms like “gun shop near me in Michigan” or “FFL dealer in Michigan” to locate one.
- Do I need a permit or license?
- For handguns, residents must obtain a License to Purchase (unless they already hold a CPL). Long guns from FFL dealers require no additional permits—per Michigan law.
- Can I carry this concealed or openly?
- Michigan is a “shall-issue” state for concealed carry at age 21+. Open carry is allowed without a permit, except in vehicles or specified locations :contentReference[oaicite:20]{index=20}.
- Is this AR9 Right-Side Charging Bufferless Upper Assembly - 5" Parkerized M4 Barrel, 1:10 Twist Rate with 4" MLOK Handguard right for me?
- Our AR9 Right-Side Charging Bufferless Upper Assembly - 5" Parkerized M4 Barrel, 1:10 Twist Rate with 4" MLOK Handguard is ideal if you’re shopping for: AR9 Right-Side Charging Bufferless Upper Assembly - 5" Parkerized M4 Barrel, 1:10 Twist Rate with 4" MLOK Handguard, ar parts, AR Parts. Great options for both beginners and experienced owners.
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Frequently Asked Questions
- How fast will my order ship?
- We ship all orders within 1-3 business days to your licensed Michigan FFL dealer. Tracking info will be emailed.
- What is your return policy?
- Non-firearm items can be returned within 14 days unused. Firearms sales are final after FFL transfer. See full return policy.
- Is the AR9 Right-Side Charging Bufferless Upper Assembly - 5" Parkerized M4 Barrel, 1:10 Twist Rate with 4" MLOK Handguard suitable for me?
- Our AR9 Right-Side Charging Bufferless Upper Assembly - 5" Parkerized M4 Barrel, 1:10 Twist Rate with 4" MLOK Handguard is popular among Michigan customers for personal defense and sport shooting.
