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Lewis Machine & Tool
Overview
The LMT Defense MRP 5.56mm 14.5" Piston Barrel is a barrel. Compare prices from multiple merchants and find the best deal.
LMT Defense MRP 5.56mm 14.5" Piston Barrel
Prices checked
Builders have added the LMT Defense MRP 5.56mm 14.5" Piston Barrel to their builds on GunPartPicker. Since April 2026, it ranks #340 of the 1,047 barrels builders have added.
It was hard to find in October 2026, in stock on only 8 of the 15 days we checked, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $716.85, with no real sale all month. Buying today, the lowest price is $716.85 at BattleHawk Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
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Builds in the community that include the LMT Defense MRP 5.56mm 14.5" Piston Barrel
| Build | Parts | Total |
|---|---|---|
![]() | 17 | $4064.98 |
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