Foxtrot Mike Products Complete FM9 Premium 9mm AR-15 Lower Receiver
All Foxtrot Mike Products lower receivers2 options
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- Blemout of stock
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Foxtrot Mike Products
Overview
The Foxtrot Mike Products Complete FM9 Premium 9mm AR-15 Lower Receiver is a fully assembled lower specifically designed for the AR-9 platform, making it ideal for 9mm builds. Its hardcoat anodized finish provides enhanced durability, while the .154 trigger pin size ensures compatibility with standard AR-15 components. This lower commonly appears in mid-length gas system builds, allowing for a balanced shooting experience in a compact package.
Specifications
Foxtrot Mike Products Complete FM9 Premium 9mm AR-15 Lower Receiver
2 options
- Standard, this page
- Blemout of stock
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September 2026 on GunPartPicker
Foxtrot Mike Products Complete FM9 Premium 9mm AR-15 Lower Receiver ranked #166 of the 477 lower receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #25 of the 1,126 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (62%, then 9mm 26%), split between mid-length (42%) and carbine-length (19%) gas systems, and nearly all AR-9.
It was out of stock everywhere we track for all of September 2026.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Foxtrot Mike Products Complete Fm9 Premium 9mm Ar-15 Lower Receiver
| Build | Parts | Total |
|---|---|---|
 | 5 | $298.00 |
 | 12 | $2892.64 |
 | 12 | $1253.22 |
 | 11 | $949.47 |
 | 8 | $1308.53 |
| 8 | $754.63 |
 | 13 | $919.34 |
 | 19 | $3383.78 |
 | 22 | $1138.57 |
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