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Q&A for Geissele Usasoc AR15/M4/M16, 5.56mm, 10.3 inch Upper Receiver — 14 Questions & 11 Answers

Name Geissele Usasoc AR15/M4/M16, 5.56mm, 10.3 inch Upper Receiver (4.8)
$1,525.00 $1,448.75 Save $76.25
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Q
Tburkejr, guest, from CT, United States, asked on February 05, 2021

Is the SureFire four prong muzzle device pin and welded?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on October 18, 2021

No, it is not pinned and welded.

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Q
Russ87, member, from ME, United States, asked on July 27, 2022

Does the 10.3 come with a geissele barrel and bcg or a Daniel Defense barrel and colt BCG?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on August 08, 2022

The Geissele Usasoc AR15/M4/M16 Upper Receiver Complete Group features a Geissele Reliability Enhanced Bolt Carrier Group, and Geissele 5.56MM 10.3",GOV profile, CHF, Chrome Lined, Carbine Gas, Mag Phos, ChromolyV, 1/7 Twist, Barrel.

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Q
Caleb Englerth, member, from LA, United States, asked on April 26, 2022

Does this come with the nano coating on the bcg?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on April 21, 2023

The Geissele Usasoc AR15/M4/M16 Upper Receiver Complete Group comes with the Geissele Reliability Enhanced BCG with Nano coating.

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Q
B-Rad, member, from OH, United States, asked on February 19, 2021

is the bcg a full auto compatible bcg?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on October 18, 2021

Yes, it comes with a M16 full-auto compatible bolt carrier.

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Q
Glock1987, member, from ID, United States, asked on October 17, 2020

Can surefire SOCOM suppressors attach to the stock flash hider?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on October 18, 2021

Yes, any SureFire SOCOM Fast-Attach suppressor can be mounted.

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Q
Maranatha, guest, from CA, United States, asked on August 09, 2020

Does this come with BCG and CH ?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on October 18, 2021

Yes, they will be included.

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Q
Crane, member, from NC, United States, asked on April 20, 2020

Does this come with a BCG and Charging handle?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on October 18, 2021

Yes, a bolt carrier and charging handle are included.

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Q
jay, guest, from MA, United States, asked on April 18, 2020

is it a colt upper? or just a m4 milspec

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on October 18, 2021

This is a Mil-spec upper receiver and is a near-clone of the upper receiver group currently in service with USASOC.

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Q
Person, member, from AA, United States, asked on April 06, 2020

Does this come with buffer and spring as advertised on geissele site?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on October 18, 2021

Yes, this will come with the Super 42 Braided Wire Spring and buffer.

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Q
animal, guest, from CT, United States, asked on January 06, 2020

Is this available in a 1:7 twist rate barrel ?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on February 13, 2020

Yes, this barrel is a 1:7 twist Daniel Defense barrel.

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Last updated 2025-11-12 UTC.