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What is the barrel twist rate and is the barrel MP and HP tested? — 1 Answer

by Christine R, from CA, United States Asked on April 3, 2020

Name COLT LE6921CK UPPER KIT 5.56 14.5 (3.3)
$1,049.00 $869.99 Save 17%
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Answered by Ethan, Gear Expert, from IL, United States, on February 17, 2022

The COLT LE6921CK UPPER KIT 5.56 14.5" barrel has a twist rate of 1:7 RH. All barrels include M4-style feed ramps and have a chrome lining that prevents corrosion. I would reach out to the manufacturer in regards to it being MPI or not.

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