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Questions & Answers
Does the FM Products Mike-9 9mm Complete Upper Receiver include the BCG? If so, is it compatible with Colt style magazines? Expert Answer

The FM Products Mike-9 9mm Complete Upper Receiver includes a BCG and charging handle. However, this upper is designed to work with PCC lowers that use Glock magazines. It is not compatible with Colt mags.

by Ethan, Gear Expert, May 14, 2024
Does this require a buffer tube? Expert Answer

Yes, the FM Products Mike-9 9mm Complete Upper Receiver is a direct blowback system which will require an AR pattern lower receiver with a buffer tube and buffer assembly.

by Ethan, Gear Expert, May 17, 2023
Customer Reviews
Helpful Positive Review Fun to shoot by RCH, March 29, 2023
I purchased the 10" barrel Mike-9mm upper receiver, Paired it with the new ambidextrous polymer lower. They make a great team & using the front charging handle just makes shooting more fun. Eats all of the ammo i have thrown at it.
3/3 found this helpful
Most Recent Reviews Out of battery by Kevin, Verified Owner, June 14, 2025
Less than 100 rounds in and had an out of battery detonation causing the extractor to break off the bcg. Upper has never cycled 10 round reliably. Contacting FM to see about warranty work.
Most Recent Reviews Foxtrot Mikes. 5 inch upper. by Wayne, Verified Owner, April 24, 2025
Very nice upper . well built, wayne have a couple hundred rounds through it so far with no problem.. I set it up with the suppressor the only thing I think is weird is its 1/2 x36 threads. Should be 1/2x28 I just had to buy a different adapter. Accu...
Read More...
Most Recent Reviews 1/2-28 threads!!! by Falko, Verified Owner, March 19, 2025
My upper shipped with 1/2-28 threads. I couldn’t get my 1/2-36 obsidian mount to screw on. Tried my rugged occulus with 1/2-28 and it went on perfect. Cost me an extra $70 for a new direct mount. So that sucks.
0/2 found this helpful
Most Recent Reviews Great product by Taylor, Verified Owner, March 15, 2025
Shipping was fast even though I chose the cheaper 5-10 day method it still came in 5 days. The product works great
Most Recent Reviews great deal! by budadad, Verified Owner, February 18, 2025
I paired this with a FM lower and KAK buffer and spring. Flawless first time out
Read All 8 Reviews

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Product Info for FM Products Mike-9 9mm Complete Upper Receiver

If you're looking around for a fantastic bargain on the FM Products Mike-9 9mm Complete Upper Receiver, then you have found yourself in the right spot..image

These AR15 Upper Receivers through the professional product experts at FM Products are designed by using heavy duty and reliable resources, to be able to provide you with a product that is going to be beneficial for countless years. Made using some of the very best attainable materials and design, these AR15 Upper Receivers through the product specialists at FM Products can last an incredibly lengthy time.

FM Products has been generating high quality merchandise for a very long time, and the FM Products Mike-9 9mm Complete Upper Receiver is their manner of revealing how much they are concerned.

At OpticsPlanet, we ensure that it is our responsibility to receive the most suitable product for your specifications, and exhibiting the FM Products Mike-9 9mm Complete Upper Receiver is something that we're happy to offer.

Specifications for FM Products Mike-9 9mm Complete Upper Receiver:

Manufacturer: FM Products
Caliber: 9mm Luger
Barrel Twist Rate: 1-10
Threads per Inch: 1/2x36
Finish: Nitride
Color: Black
Condition: New
Magazine Included: No

Package Contents:

  • FM Products Mike-9 9mm Complete Upper Receiver

FM Products Mike-9 9mm Complete Upper Receiver Orderable Models

List of Orderable Models

FM Products MIKE-9 9mm Complete Upper Receiver, 17.75 inch, 10 inch Barrel, Front Charge, 1-10 Twist, 1/2x36 Thread, Free-Float, Nitride, Black, MIKE9U-F109-B , MPN: MIKE9U-F109-B , Code: 3JR-URC-MIKE9-MIKE9U-F109-B
FM Products MIKE-9 9mm Complete Upper Receiver, 23.75 inch, 16 inch Barrel, MIL-SPEC Rear Charge, 1-10 Twist, 1/2x36 Thread, Free-Float, Nitride, Black, MIKE9U-R1615-4 , MPN: MIKE9U-R1615-4 , Code: 3JR-URC-MIKE9-MIKE9U-R1615-4
FM Products MIKE-9 9mm Complete Upper Receiver, 23.75 inch, 16 inch Barrel, Front Charge, 1-10 Twist, 1/2x36 Thread, Free-Float, Nitride, Black, MIKE9U-F1615-4 , MPN: MIKE9U-F1615-4 , Code: 3JR-URC-MIKE9-MIKE9U-F1615-4

FM Products Mike-9 9mm Complete Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

USED, FM Products MIKE-9 9mm Complete Upper Receiver, 12.75 inch, 5 inch Barrel, MIL-SPEC Rear Charge, 1-10 Twist, 1/2x36 Thread, Free-Float, Nitride, Black, MIKE9U-R54-B , MPN: MIKE9U-R54-B-EDEMO , Code: 3JR-URC-MIKE9-MIKE9U-R54-B-EDEMO-RE-C
FM Products MIKE-9 9mm Complete Upper Receiver, 12.75 inch, 5 inch Barrel, MIL-SPEC Rear Charge, 1-10 Twist, 1/2x36 Thread, Free-Float, Nitride, Black, MIKE9U-R54-B , MPN: MIKE9U-R54-B , Code: 3JR-URC-MIKE9-MIKE9U-R54-B
DEMO, FM Products MIKE-9 9mm Complete Upper Receiver, 17.75 inch, 10 inch Barrel, Front Charge, 1-10 Twist, 1/2x36 Thread, Free-Float, Nitride, Black, MIKE9U-F109-B , MPN: MIKE9U-F109-B-DEMO , Code: 3JR-URC-MIKE9-MIKE9U-F109-B-DEMO
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