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is this upper rated for 5.56 — 2 Answers

by JB, from PA, United States Asked on December 29, 2021

Name Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver (4.3)
$1,499.95 $1,399.95 Save $100.00
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Answered by Phil, member, from TX, United States, on January 07, 2022

223 wylde, so yes, you can shoot 556 and 223, but you would "maximize" efficiencies by using 223

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Answered by Rusty, member, from WA, United States, on March 10, 2023

The good thing about .223 Wylde and a main reason it was created — is to fire both 5.56 NATO and .223 Remington. The “.223 Wylde” name itself is not an actual cartridge but rather a specific design to the chamber of the barrel. Also, “Wylde” is the last name of the designer — Bill Wylde.

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