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Q&A for CMMG, Inc BANSHEE 100 Series Upper Receiver Group — 17 Questions & 17 Answers

Name CMMG, Inc BANSHEE 100 Series Upper Receiver Group (4)
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Q
Ed, member, from GA, United States, asked on February 07, 2022

Will the 9mm upper work with a spikes tactical lower with last round bolt hold open that only accepts glock magazines ?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on February 10, 2022

Yes, the 9mm CMMG, Inc BANSHEE 100 Series Upper Receiver Group should work just fine with that lower.

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Q
Matthew, guest, from OH, United States, asked on January 03, 2022

Inside diameter?

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

CMMG does not provide internal diameter specifications on their uppers. I'd recommend reaching out to the manufacturer for more information.

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Q
Chris, member, from OH, United States, asked on December 19, 2021

What length is the hand guard on the 57?

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

The 5.7x28mm CMMG, Inc BANSHEE 100 Series Upper Receiver Group features an 8 inch barrel and 7 inch handguard.

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Q
Rob Moore, member, from PA, United States, asked on April 12, 2021

Does the 5.7 work on full auto on a registered m16 lower?

Expert Answer
A
Answered by Patrick, Gear Expert, from IL, United States, on October 06, 2021

This will work on any standard AR15 mil-spec lower

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Q
btwyman, member, from OK, United States, asked on February 01, 2021

is the 9mm radial delayed blow back?

A
Answered by Junior, member, from OR, United States, on November 13, 2021

Yes. The 9mm is RDB.

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Q
btwyman, member, from OK, United States, asked on February 01, 2021

is the 9mm radial delayed blow back?

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

Yes. The 9mm CMMG, Inc BANSHEE 100 Series Upper Receiver Group is roller delayed blowback and will include the correct BCG and charging handle.

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Q
Trump Won, guest, from NY, United States, asked on January 10, 2021

Will the banshee 100 series in 7.62x39 work on a mil spec ar lower? Using the appropriate 7.62x39 ar mags of course.

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

Yes. The CMMG, Inc BANSHEE 100 Series Upper Receiver Group in 7.62x39 will work on any Mil-spec AR15 style lower receiver.

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Q
Keith Mac, member, from TX, United States, asked on January 06, 2021

can anyone tell me anything about the barrel. have they been pressure tested? are they chrome lined?

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

The CMMG, Inc BANSHEE 100 Series Upper Receiver Group uses 4140CM, SBN barrels. CMMG does not provide more specific information regarding the barrels, I'd recommend reaching out to the manufacturer for more information.

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Q
Carey, member, from CO, United States, asked on November 27, 2020

Hello building a 9mm using an 80% lower from 80% lowers. Will this upper work with their lower?

A
Answered by Cgm, guest, from FL, United States, on June 24, 2021

I'm not sure why it took 7 months to post my question but I will go ahead and answer it myself. Yes this upper fit up nicely to the 80% milled lower.

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Q
philo, member, from DE, United States, asked on October 15, 2020

Can the 762x39 upper sit on a mil spec m4 lower?

Expert Answer
A
Answered by Patrick, Gear Expert, from IL, United States, on October 06, 2021

Yes, this will work well.

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