Q&A for Aero Precision M4E1-E 20in 5.56 Complete Upper with Flash Hider

Q

Ben Smith, member, from KY, United States, asked on July 14, 2024

Does this come with the bolt carrier group

A

Answered by Br. W., member, from ID, United States, on July 20, 2025

No, it does not come with a bcg or charging handle.

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Q

Jeffrey Gonzalez, member, from NC, United States, asked on April 22, 2024

Does this upper come with bolt carrier group and charging handle or just the upper?

A

Answered by Br. W., member, from ID, United States, on July 20, 2025

Just the upper. It does NOT have the bcg or charging handle

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Q

Jason Cooper, member, from FL, United States, asked on January 08, 2023

Package Contents show a different barrel material than product description. What is included, stainless or CMV?

Expert Answer

A

Answered by Hunter, Gear Expert, from OH, United States, on February 23, 2023

The Aero Precision M4E1-E 20in 5.56 Complete Upper barrel is a 4150 CrMoV Barrel with QPQ Finish.

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Q

Jaxx T, member, from AK, United States, asked on February 17, 2024

Will this upper ‘drop in’ to the M&P Sport 2 5.56? I’m not a ‘smith, any instruction is appreciated I thought it was 15” - I see it’s 20”. Mines 16”

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Q

Judah, member, from PA, United States, asked on January 05, 2024

what carbine weight and buffer length is recommended for this ? and ornrifle spring?

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Q&A for Aero Precision M4E1-E 20in 5.56 Complete Upper with Flash Hider — 5 Questions & 3 Answers

Does this come with the bolt carrier group

Does this upper come with bolt carrier group and charging handle or just the upper?

Package Contents show a different barrel material than product description. What is included, stainless or CMV?

Will this upper ‘drop in’ to the M&P Sport 2 5.56? I’m not a ‘smith, any instruction is appreciated I thought it was 15” - I see it’s 20”. Mines 16”

what carbine weight and buffer length is recommended for this ? and ornrifle spring?