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Questions & Answers
Is the barrel suppressor ready? Expert Answer

The barrel is suppressor ready, but the inner diameter of the handguard is 1.3" so if you are trying to squeeze the suppressor under the handguard you will want to make sure it is thinner than that diameter.

by Armando R., Gear Expert, June 6, 2019
Is this upper compatible with glock magazines or colt style? Featured Answer

Glock magazines

by Ed, Verified Owner, December 30, 2018
Customer Reviews
Helpful Positive Review
a real shooter by wild bill, April 6, 2021
I use my side charging 16 inch carbine for pcc competitions and have never had a failure to feed that wasn't a problem with a reload I made. I use primarily ETS clear magazines all work well and i love the 40 rounders. I did have some magazine proble...
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3/3 found this helpful
Helpful Positive Review
Great gun, great price by KEEM, April 28, 2021
I absolutely love this gun. Super fun to shootver accurate and reliable. To me its comparable to my sig mpx. If you in to pcc i would recommend you getting one of these. Ships right to you, primary arm was a pleasure to deal with. Great customer ser...
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2/2 found this helpful
Helpful Positive Review
Highly Recommended by Don, Verified Owner, October 5, 2019
If you are looking into building a AR-9 (PCC), I highly recommend Foxtrot Mike. A couple of things that stood out was the side charging handle with the ambidextrous option, excellent finished, quality of product and accuracy), I just swap out the up...
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7/8 found this helpful
Helpful Positive Review
Wrong charging handle by Scott Grant, Verified Owner, April 27, 2019
The charging handle Tou get is not the one advertised...it's tiny and doesn't not fold at all...slightly annoying. Also had my firing pin get slightly deformed after 30 or so rounds and I had to dissemble and actually pull the firing pin out with a p...
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3/3 found this helpful
Helpful Positive Review
Very well built ! by Zoni, May 29, 2019
Unit is built very nice, shot very accurately with Syntech 130 ammo, so far no malfunctions using MEAN mags. My side charging handle is not folding, but I do not mind it. The side charging is a great feature to have!
1/3 found this helpful
Helpful Positive Review
Awesome upper receiver, great quality well made and just reliable . A must for anyone building their own AR 9mm.. I'm definitely buying the 45 acp next!the price is very good and maybe get it even cheaper if you shop around ..
1/1 found this helpful
Read All 8 Reviews
Barrel Length:
8.5 in
Finish:
Anodized
Color:
Black
Handguard Length:
8.5 in
Gun Make:
Glock
Condition:
New
Included Accessories:
Forward Blast Diffuser
Length:
8.5 in

Code: 3JR-URC-FM9M-FM9-8-5UR

MPN: FM9-8.5UR

Product No Longer Available

Product Info for FM Products Foxtrot Mike FM-9 Monolithic 9mm Upper Receiver

The FM Products Foxtrot Mike FM-9 Complete 9x19mm Upper Receiver is feature rich and cutting edge. Built from the ground up to provide outstanding reliability and accuracy with a host of top tier features. The traditional M4 charging handle has been replaced with an ambidextrous, non reciprocating forward charging handle. The monolithic style has been achieved with a proprietary interlock between the upper and handguard. Lastly, the slim-line handguard is M-LOK compatible for your favorite accessories.image

The FM-9 Monolithic 9mm Upper Receiver can be had in three different barrel lengths, so whether you're building a pistol or a carbine, there's a setup that's perfect for your build.

FM Products Foxtrot Mike FM9 Upper receivers are not compatible with Korean magazines.

Features of FM Products Foxtrot Mike FM-9 Monolithic 9mm Upper Receiver:

  • Includes M-LOK compatible Handguard
  • All three uppers feature an Ultra Light PCC barrel
  • Barrel lengths: 16
  • 10.5 or 8.5 inches
  • 16" barrel comes with FM Products Foxtrot Mike Muzzle Brake
  • 8.5" and10.5" barrels come standard with the FM Products Foxtrot Mike Forward Blast Diffuser
  • 10.5" Upper Receiver features 8.5" Ultra Light Barrel with a 10.5" Handguard for an ultra compact upper
  • made in specialized factories
  • Type 3 Hard Anodize finish
  • Manufactured with ISO:9001 and AS:9100 quality certifications
  • Ultra Premium
  • Match Grade
  • Lightweight 41V50 Barrek1/2-36" threads
  • Fixed forward charging handle
  • Limited lifetime warranty through Foxtrot Mike Products
  • Complete upper includes Ultra Premium Bolt Carrier Group

Package Contents:

  • FM Products Foxtrot Mike FM-9 Monolithic 9mm Upper Receiver

Related Products to FM Products Foxtrot Mike FM-9 Monolithic 9mm Upper Receiver

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

List of Unorderable Models

  • FM Products FM-9 8.5in Upper Receiver w/Forward Blast Diffuser, Black, FM9-8.5UR , MPN: FM9-8.5UR , Code: 3JR-URC-FM9M-FM9-8-5UR
  • FM Products FM-9 10.5in Upper Receiver w/Forward Blast Diffuser, Black, FM9-10.5UR-BD , MPN: FM9-10.5UR-BD , Code: 3JR-URC-FM9M-FM9-10-5UR-BD
  • FM Products FM-9 16in Upper Receiver w/CA Compliant Brake, Black, FM9-16UR-MB , MPN: FM9-16UR-MB , Code: 3JR-URC-FM9M-FM9-16UR-MB
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