LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel - 16" 1:7 Twist - R-L7PA1B

Lewis Machine & Tool LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel - 16" 1:7 Twist - R-L7PA1B - Barrel for AR-15 - view 1
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Lewis Machine & Tool

Overview

The LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel features a 16-inch length and a 1:7 twist rate, making it well-suited for stabilizing a range of bullet weights, particularly heavier projectiles. The chrome lining enhances durability and corrosion resistance, contributing to the barrel's longevity and consistent performance. This barrel is commonly found in tactical and general-purpose builds, where reliability and versatility are key considerations.

Specifications

MPNR-L7PA1B
Barrel Length16
Caliber5.56 NATO
Twist Rate1:7
CoatingChrome Lined

Available Merchants(2)

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BattleHawk Armory
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$538
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$554

Build history on GunPartPicker

Builders on GunPartPicker first added the LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel - 16" 1:7 Twist - R-L7PA1B to a build in March 2026.

It was out of stock everywhere we track for all of August 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $538.20 at BattleHawk Armory for when it comes back.

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Builds Featuring This Part

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Builds in the community that include the LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel - 16" 1:7 Twist - R-L7PA1B

BuildPartsTotal
new 5.56 build build
new 5.56 build
17$4151.96

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