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I have an LWRC International SMG 45. Can I use this trigger on this weapon platform? Thanks — 2 Answers

by Seattle J, from MD, United States Asked on February 26, 2020

Name Fostech Echo AR-II Drop-In Binary AR-15 Trigger (4.2)
$479.99 $399.99 Save 17%
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Answered by Armando R., Gear Expert, from IL, United States, on March 13, 2020

This is information direct from LWRC regarding binary triggers:

"The SMG will accept most AR-15 triggers. We have not tested them all however and cannot guarantee function"

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Answered by Gunner0331, member, from AZ, United States, on August 06, 2022

The Fostech requires a M16 profile bolt carrier. It will not work on the SMG-45. Try the Franklin Armory binary. It does not require a specific bolt carrier to function.

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