Lewis Machine & Tool

LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16"

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Lewis Machine & Tool LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16" - Barrel for AR-15 - view 1
Lewis Machine & Tool LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16" - Barrel for AR-15 - view 2
Lewis Machine & Tool LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16" - Barrel for AR-15 - view 3
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Lewis Machine & Tool

Overview

The LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel is designed for optimal performance in a carbine-length gas system, making it a solid choice for reliable cycling and accuracy. With a 16" length, this barrel provides a balance of maneuverability and ballistic efficiency, tailored for the 5.56 NATO caliber. This barrel is frequently utilized in builds focused on tactical applications and general-purpose use, where reliability and versatility are key.

Specifications

MPNL7PC1B
Caliber5.56 NATO
Barrel Length15

Available Merchants(2)

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Primary Arms
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$717
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BattleHawk Armory
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$717
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Build history on GunPartPicker

Builders on GunPartPicker first added the LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16" to a build in February 2026.

Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today both retailers we track have it in stock. Prices barely moved in September 2026, holding around $716.85, so there haven't been real sales lately. Buying today, the lowest price is $716.85 at Primary Arms, which matches the best price we saw in September.

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Builds Featuring This Part

See all 1 →

Builds in the community that include the LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16"

BuildPartsTotal
radian weapons 15" 5.56 build
radian weapons 15" 5.56		21$8718.20

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