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Questions & Answers
Is this direct blowback? Expert Answer

The FM Products FM-45 AR .45 Forward Charging Upper Receiver w/ Micro Brake is direct blowback.

by Hunter, Gear Expert, October 19, 2022
What is the barrel length??

The SKU FM45-FS-1615 means it is a 16 inch barrel with 15 inch handguard.

by Journey, Verified Owner, May 28, 2022
Customer Reviews
Most Recent Reviews AR 45 upper by Cps.986, March 5, 2024
It’s a pretty good quality unit especially for the price. Ar45 components are harder to come by than most so options are limited. This is actually my 3rd FM upper and I have been happy.
Read 1 Review
Barrel Profile: Ultralight Threads per Inch: 5/8x24 Muzzle Device: Flash Supressor Color: Black Condition: New

Code: 3JR-URC-FFC45RS-FM45-FS-1615

MPN: FM45-FS-1615

List: $489.00Save $20.00
$469.00

Product Info for FM Products FM-45 AR .45 Forward Charging Upper Receiver w/ Micro Brake

The Foxtrot Mike Products FM-45 Complete 45 Cal Upper Receiver is 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. The slim-line handguard is M-LOK compatible for your favorite accessories.image

The Foxtrot Mike Products 45 Cal Upper Receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses Glock magazines. With its full-length Picatinny top rail and M-LOK compatible handguard, the Foxtrot Mike 9mm Upper offers plenty of mounting space for optics and other accessories.

Specifications for FM Products FM-45 AR .45 Forward Charging Upper Receiver w/ Micro Brake:

Manufacturer: FM Products
Barrel Profile: Ultralight
Threads per Inch: 5/8x24
Muzzle Device: Flash Supressor
Color: Black
Fabric/Material: Premium Match Grade 41V50
Gun Rail: Picatinny
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Barrel Material: 4150 Chrome Moly Vanadium
Bolt Carrier Group Included: MIL-SPEC
Magazine Included: No
Charging Handle Included: MIL-SPEC
Mount Type: M-LOK
Projectile Caliber: .45 Caliber

Features of FM Products FM-45 AR .45 Forward Charging Upper Receiver w/ Micro Brake:

  • Non-reciprocating fixed forward charging handle;
  • Premium Match Grade 41V50 Barrel;
  • Left or right charging;
  • Proprietary handguard / upper interlock keeps handguard true to the upper;
  • M-LOK compatible handguard;
  • Complete upper includes bolt carrier group and charging handle;
  • FM Products Micro Brake (5/8-24 thread);
  • Compatible with .45 Glock magazines;

Package Contents:

  • FM Products FM-45 AR .45 Forward Charging Upper Receiver w/ Micro Brake

FM Products FM-45 AR .45 Forward Charging Upper Receiver w/ Micro Brake Orderable Models

List of Orderable Models

FM Products FM-45 AR Forward Charging Upper Receiver w/ Micro Brake, .45 Caliber, Ultralight Profile, Black, FM45-FS-1615 , MPN: FM45-FS-1615 , Code: 3JR-URC-FFC45RS-FM45-FS-1615
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