LMT Full Auto 5.56 Carrier with Enhanced Bolt

Lewis Machine & Tool LMT Full Auto 5.56 Carrier with Enhanced Bolt - Bolt Carrier Group for AR-15 - view 1
Lewis Machine & Tool LMT Full Auto 5.56 Carrier with Enhanced Bolt - Bolt Carrier Group for AR-15 - view 2
Lewis Machine & Tool LMT Full Auto 5.56 Carrier with Enhanced Bolt - Bolt Carrier Group for AR-15 - view 3
Buy Now

Lewis Machine & Tool

Overview

The LMT Full Auto 5.56 Carrier with Enhanced Bolt is designed to offer reliable performance for your AR-15, especially in full-auto configurations. This carrier is optimized for the 5.56 NATO caliber, ensuring smooth cycling and enhanced durability during operation, which is crucial for builders looking to maximize their firearm's reliability and efficiency. This type of carrier is frequently found in builds that prioritize consistent firing capabilities and robust performance under various conditions.

Specifications

MPNR-L7FB3
Caliber5.56 NATO

Available Merchants(3)

Prices checked

Price Alert

Log in to set a price alert on this product.

Brownells logo
Brownells
Free shipping
Shipping Speed
In Stock
$490
SO
Sportsmans Outdoor Superstore
Flat rate shipping
Shipping Speed
Out of Stock
$440
Primary Arms logo
Primary Arms
Free shipping
Shipping Speed
Out of Stock
$490

August 2026 on GunPartPicker

LMT Full Auto 5.56 Carrier with Enhanced Bolt ranked #35 of the 229 bolt carrier groups builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #49 of the 433 bolt carrier groups builders have added. Builds with this bolt carrier group are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.

It was hard to find in August 2026, in stock on only 8 of the 17 days we checked, and today only Brownells has it in stock. It dipped to $440.10 at Brownells for a stretch in August 2026, well under its usual $489.60, so sales do come around. Buying today, the lowest price is $489.60 at Brownells, above August's low of $440.10, so a better deal may come back.

Trending bolt carrier groups →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers

Not sure which bolt carrier group to pick?

We ranked every bolt carrier group by how often it shows up in real builds on GunPartPicker.

Read the guide: The Most Trusted AR-15 BCGs

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!