L
LD33.1110/10
Reviewed on March 21, 2026Verified with Build
ran 1000 rounds zero malfunctions
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Lmt Piston Full Auto 5.56 Ar-15 Bolt Carrier Group
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Lewis Machine & Tool
Overview
The LMT Piston Full Auto 5.56 AR-15 Bolt Carrier Group features an M16-style bolt carrier designed for reliable operation in piston-driven systems. This BCG is compatible with the 5.56 NATO caliber, making it suitable for various applications, including tactical and competitive shooting. It is often found in builds utilizing a mid-length gas system, providing a balance of reliability and reduced recoil for enhanced shooting performance.
Specifications
MPNL7D3CP
Caliber5.56 NATO
StyleM16 Bolt Carrier
Available Merchants
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Frequently Built With
Based on build data
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Charging Handle
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower Receiver
Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger
Trigger
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Magpul AFG-2 Angled Fore Grip - Black
ForegripBuild Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
88.9%
AR-1588.9%
AR-1011.1%
CaliberBased on real build data showing which calibers builders choose alongside this product.
76.7%
5.56 NATO76.7%
.223 Wylde13.3%
.458 SOCOM3.3%
6mm ARC3.3%
7.62x39mm3.3%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
44.4%
Mid-Length44.4%
Carbine29.6%
Rifle22.2%
Pistol3.7%
| Product | Category | Times Built Together |
|---|---|---|
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | Charging Handle | 8 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 8 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 6 |
| Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger | Trigger | 5 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 5 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 5 |
| Platform | Percentage |
|---|---|
| AR-15 | 88.9% |
| AR-10 | 11.1% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 76.7% |
| .223 Wylde | 13.3% |
| .458 SOCOM | 3.3% |
| 6mm ARC | 3.3% |
| 7.62x39mm | 3.3% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 44.4% |
| Carbine | 29.6% |
| Rifle | 22.2% |
| Pistol | 3.7% |
Builds Featuring This Part
See all 5 →Builds in the community that include the Lmt Piston Full Auto 5.56 Ar-15 Bolt Carrier Group
| Build | Parts | Total |
|---|---|---|
 | 12 | $3125.69 |
 | 11 | $1008.37 |
 | 18 | $2414.04 |
 | 8 | $1088.39 |
 | 18 | $793.64 |
Customer reviews
5.0out of 5
1 global rating