Lewis Machine & Tool

LMT M16 / AR-15 Bolt Carrier Group 5.56/.223

All Lewis Machine & Tool bolt carrier groups
Lewis Machine & Tool Lmt M16 / Ar-15 Bolt Carrier Group 5.56/.223 - Bolt Carrier Group for AR-15 - view 1
Lewis Machine & Tool Lmt M16 / Ar-15 Bolt Carrier Group 5.56/.223 - Bolt Carrier Group for AR-15 - view 2
Lewis Machine & Tool Lmt M16 / Ar-15 Bolt Carrier Group 5.56/.223 - Bolt Carrier Group for AR-15 - view 3
Lewis Machine & Tool Lmt M16 / Ar-15 Bolt Carrier Group 5.56/.223 - Bolt Carrier Group for AR-15 - view 4
Lewis Machine & Tool Lmt M16 / Ar-15 Bolt Carrier Group 5.56/.223 - Bolt Carrier Group for AR-15 - view 5
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Lewis Machine & Tool

Overview

The LMT M16 / AR-15 Bolt Carrier Group is designed for the .223 Wylde caliber, allowing for optimal performance with both .223 Remington and 5.56 NATO ammunition. Its phosphate finish offers enhanced corrosion resistance while maintaining a smooth operation. This M16-style bolt carrier is ideal for builders focusing on mid-length gas systems, making it a popular choice for versatile, reliable rifles that accommodate a range of ammunition types.

Specifications

MPNL7D3
StyleM16 Bolt Carrier
Caliber.223 Wylde
FinishPhosphate

Available Merchants(1)

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Primary Arms
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$304.20
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October 2026 on GunPartPicker

LMT M16 / AR-15 Bolt Carrier Group 5.56/.223 ranked #143 of the 258 bolt carrier groups builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #150 of the 551 bolt carrier groups builders have added. Builds with this bolt carrier group are split between 5.56 NATO (50%) and .223 Wylde (38%), split between mid-length (46%) and carbine-length (31%) gas systems, and mostly AR-15 (95%).

Today the one retailer we track is out of stock. Listed prices start at $304.20 at Primary Arms for when it comes back.

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Frequently Built With

The part most often added in each category by the builds that include this one

Radian Raptor Slim Line Ambidextrous AR-15 Charging Handle - Black

Radian Raptor Slim Line Ambidextrous AR-15 Charging Handle - Black

Charging Handle$93in 17% of them
Anderson Manufacturing AR-15 Stripped Upper Receiver

Anderson Manufacturing AR-15 Stripped Upper Receiver

Upper Receiver$49 · out of stockin 6% of them
LMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver

LMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver

Lower Receiver$342in 22% of them
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Trigger$335in 17% of them
Daniel Defense Collapsible Buttstock - Black

Daniel Defense Collapsible Buttstock - Black

Stock & Brace$88in 11% of them
FAXON Firearms 300 AAC Blackout 1-8 Twist 7.5" Barrel

FAXON Firearms 300 AAC Blackout 1-8 Twist 7.5" Barrel

Barrel$143in 6% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

94.7%
AR-1594.7%
AR-95.3%

Caliber

50%
5.56 NATO50%
.223 Wylde37.5%
300 Blackout6.3%
9mm6.3%

Gas System

46.2%
Mid-Length46.2%
Carbine30.8%
Rifle15.4%
Pistol7.7%

Builds Featuring This Part

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Builds in the community that include the Lmt M16 / Ar-15 Bolt Carrier Group 5.56/.223

BuildPartsTotal
for hd 16" build
for hd 16"		8$1469.90
Carbine 18" 5.56 build
Carbine 18" 5.56		22$5526.12
SBR 16.5" 5.56 build
SBR 16.5" 5.56		32$2784.27
PSA 9" build build
PSA 9" build		20$1078.42

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