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Q&A for Watchtower Firearms UDR-15-3G Universal Upper Receiver — 5 Questions & 5 Answers

Name Watchtower Firearms UDR-15-3G Universal Upper Receiver (5)
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Q
forrestman, guest, from AK, United States, asked on July 26, 2022

Would this be compatible with a 9mm bcg?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on August 15, 2022

The F-1 Firearms UDR-15-3G Universal Upper Receiver will work with a 9mm BCG.

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Q
rviray, member, from FL, United States, asked on February 05, 2021

What is the actual weight in ounces?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on January 28, 2022

The F-1 Firearms UDR-15-3G Universal Upper Receiver weighs 6.56 ounces. Or 0.41 pounds.

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Q
Pedro Lara, member, from TX, United States, asked on August 01, 2020

Is it compatible with anderson lowers’

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on January 28, 2022

The F-1 Firearms UDR-15-3G Universal Upper Receiver is compatible with most Milspec lower receivers on the market today. Meaning it should fit an Anderson lower without any issue.

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Q
gxp, member, from IL, United States, asked on January 09, 2020

does this f1 have a bolt assist and dust cover?

A
Answered by Ben, member, from PA, United States, on February 14, 2020

This upper receiver does not have either a forward assist, or a dust cover. The goal of the skeletonized receiver is to cut out as much weight as possible, but leave the firearm safe, and functional. It doesn't sound like a lot, but those 2 options add weight, and not much functionality, so those options were removed.

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Q
Michael Pellicciotti, member, from PA, United States, asked on January 12, 2018

I can use this upper for a 300 Blackout build I am doing ?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on February 07, 2018

Yes, this would work for a .300 Blackout build.

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