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Questions & Answers
Will this work with an EPC Aero Precision lower? TIA. Manufacturer Answer

We do not recommend it with the EPC lower. Aero built their last round hold open into their upper and our products rely on the typical built into the lower system.

by STERN DEFENSE, Manufacturer, November 27, 2024
If I have a last round bolt catch on my lower, will this upper have LRBHO functionality? Expert Answer

Yes, the Stern Defense AR-15 6 inch Assembled 9mm Upper Receiver features LRBHO capability.

by Ethan, Gear Expert, September 6, 2022
Customer Reviews
Helpful Positive Review It does work with echo by Dk all day, Verified Owner, November 6, 2019
When I call Fostech to ask if this BCG would work with there trigger they told me they didn’t know if anyone who was making bcg that worked with there platform. So I figured I would let y’all know this one does work and you DONT HAVE TO BUY THE Any o...
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5/7 found this helpful
Helpful Positive Review Rock Solid by Adough, Verified Owner, August 31, 2020
Bought the upper with a mag well adapter (glock) and heavy buffer with a spring/spacer. Easy install took all of a ten minutes. Headed to the range the next day and put over 250 rounds through it. Fed it mostly federal and winchester (115 gr and 124...
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6/6 found this helpful
Helpful Negative Review 449.99 Blem by Nickel 9, Verified Owner, November 20, 2020
Right out of the box. Big scratch right next to the Stern logo on the handguar. You can see where they tried to fix it with black sharpie but it sticks out bad. As well as it was packaged you would think it would of been looked over better. Have not ...
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3/5 found this helpful
Most Recent Reviews Feed problems by Southsider, March 4, 2021
Bought this upper to mate with a dedicated Glock mag 80% lower. I have feed problems with the bullet jamming up on the barrel with most hollow point ammo. Tried changing mag manufacturer from magpul to Glock OEM with no improvement.
0/3 found this helpful
Most Recent Reviews Stern is great by Jonesey, Verified Owner, July 30, 2021
I was skeptical af any 9mm upper to pair with my spikes LRBHO lower. The Stern upper fit flawlessly and functions exactly as it should. It ran every type of ammunition i put in it. The blast can is fantastic at diverting the majority of the gas and n...
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Read All 5 Reviews
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Caliber: 9mm Luger Barrel Length: 6 inMuzzle Device: SD HBC Blast Can Finish: Matte Color: Black Additional Features: Barrel length is measured in overall length from breech to muzzle , Custom 4140 billet extractor providing superior ejection. , Laser engraved. , Melonite coating. , Threaded .5-36. Condition: New

Code: 3JS-URC-SD8MB-015-SD8INCHMOD5-KK

MPN: 015-SD8INCHMOD5MLOK6INCHBARREL9MM-KK

UPC: 860141001577

Free Two Day Shipping$46.04 Instant Savings Applied
List: $470.45Save 12%
$414.41

Product Info for Stern Defense AR-15 6 inch Assembled 9mm Upper Receiver w/ 8 inch MLOK Rail

Building a 9mm AR 15 is a fun, rewarding experience that gives you a versatile weapon for everything from home defense to weekend plinking. If you're starting a build, shopping for AR15 Upper Receivers is one of the first steps. To make it easier, you can't go wrong with the Stern Defense AR 15 6-inch Assembled Upper Receiver w/ 8-inch MLOK Rail. Since it's fully assembled, it comes with everything you need to put the weapon together without hassle, including the dust cover, forward assist, handguard, and a Glock-cut bolt. Made from 6061 aircraft-grade aluminum, this Stern Defense Upper Receiver is both lightweight and durable, so you know it can withstand the rigors of regular use. This package also comes with the barrel nut and bolts to secure the weapon to your lower easily. Pick one up today if you're looking for a top-of-the-line upper receiver for an AR9image

Specifications for Stern Defense AR-15 6 inch Assembled 9mm Upper Receiver w/ 8 inch MLOK Rail:

Manufacturer: Stern Defense
Caliber: 9mm Luger
Barrel Length: 6 in
Muzzle Device: SD HBC Blast Can
Finish: Matte
Color: Black
Fabric/Material: 4150 Chrome Moly Steel, 7075-T6 Aluminum
Gun Model: AR-15
Additional Features: Laser engraved., Melonite coating., Threaded .5-36., Barrel length is measured in overall length from breech to muzzle, Custom 4140 billet extractor providing superior ejection.
Condition: New
Magazine Included: No
Length: 6 in

Features of Stern Defense AR 15 6-inch Assembled Upper Receiver:

  • Comes with 8-inch MLOK Rail
  • Fully Assembled
  • 9mm Blast Can
  • Glock-cut Bolt

Package Contents:

  • Stern Defense AR-15 6 inch Assembled 9mm Upper Receiver w/8 inch MLOK Rail

Stern Defense AR-15 6 inch Assembled 9mm Upper Receiver w/ 8 inch MLOK Rail Orderable Models

List of Orderable Models

Stern Defense AR-15 Upper Receiver, 9mm, 6in Barrel, 8in MLOK Rail, SD BU9 Bolt, SD CH1 Charging Handle, SD HBC Blast Can, Black, 015-SD8INCHMOD5-KK , MPN: 015-SD8INCHMOD5MLOK6INCHBARREL9MM-KK , UPC: 860141001577 , Code: 3JS-URC-SD8MB-015-SD8INCHMOD5-KK
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