Colt M4 Upper Receiver Assembly

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Asked by: Theran Green - 8/17/2019

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Asked by: Jessie Graves - 8/25/2019

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Asked by: Derek Hartsfield - 9/16/2023

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Accepted Answer

A: Yes. No on sighting it in as you need to do with your ammo.

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Answer provided by: Grant (8/19/2019)

Accepted Answer

A: Colt stopped marking their products with a "C" years ago.

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Answer provided by: Grant (1/13/2025)

Accepted Answer

A: Yes.

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Answer provided by: Grant (9/16/2023)

Accepted Answer

A: Generally every 3-4 months.

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Answer provided by: Grant (9/16/2023)

G&R Tactical