Colt M4 Commando 5.56 lower assembly with LE prefix is the law enforcement marking. Mil-spec parts kit installed. Authentic Colt markings. Standard mil-spec dimensions throughout. Drops in to any milspec upper without fitting.


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Colt
Overview
The Colt M4 Commando 5.56mm Semi-Auto Lower Receiver Assembly is a complete lower receiver designed specifically for the AR-15 platform. It accommodates the 5.56 NATO caliber, making it ideal for a variety of applications, from tactical to recreational shooting. This lower receiver is a common choice for builds that utilize a carbine gas system, offering builders a reliable foundation for their AR-15 projects.
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Based on build data
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Colt Trigger & Disconnect Spring Assembly | 14 | |
| Magpul AFG-2 Angled Fore Grip - Black | 8 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 8 | |
| Colt Ar-15 Stock Assy Collapsible Oem Blk | 6 | |
| Colt 5.56 Nato M16 / Ar-15 Bolt Carrier Group | 5 | |
| Aero Precision Ar-15 5.56 Bcg W/c158 Bolt - Aero Logo - Phosphate | 5 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 79.4% |
| .223 Wylde | 14.7% |
| 6mm ARC | 2.9% |
| 9mm | 2.9% |
| Gas System | Percentage |
|---|---|
| Carbine | 54.5% |
| Mid-Length | 31.8% |
| Rifle | 9.1% |
| Blowback | 4.5% |
Builds in the community that include the Colt M4 Commando 5.56mm Semi-Auto Lower Receiver Assembly With "LE" Prefix
| Build | Parts | Total |
|---|---|---|
![]() | 5 | $1708.08 |
![]() | 9 | $3952.56 |
![]() | 21 | $1697.87 |
![]() | 7 | $1800.99 |
![]() | 7 | $1404.38 |
![]() | 19 | $5400.28 |
![]() | 20 | $2951.11 |
![]() | 29 | $4859.74 |
![]() | 8 | $1346.87 |
2 global ratings
Colt M4 Commando 5.56 lower assembly with LE prefix is the law enforcement marking. Mil-spec parts kit installed. Authentic Colt markings. Standard mil-spec dimensions throughout. Drops in to any milspec upper without fitting.
LE prefix lower is a collector item at this point, mated to a colt upper for a retro 6920 build. tolerances are exactly what youd expect from colt, takedown pin slip without play but no rattle either. trigger pocket clean