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Q&A for Phase 5 Weapon Systems Inc Extended Bolt Release V1 — 7 Questions & 7 Answers

Name Phase 5 Weapon Systems Inc Extended Bolt Release V1 (4.4)
$35.00 $33.25 Save $1.75
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Q
Chief O, member, from OH, United States, asked on March 26, 2025

Is this compatible with DB15 5.56? It has a mil-spec lower.

Manufacturer Answer
A
Answered by Phase 5 WSI, Manufacturer from CA, United States, on April 02, 2025

As long as there is room behind the bolt catch for the EBRv1 to attach (room for the backing plate), this will work with the DB15.

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Q
rob, member, from TX, United States, asked on February 01, 2023

Will this work on AR 10

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on January 22, 2024

The Phase 5 Weapon Systems Inc Extended Bolt Release is not compatible with Armalite AR10 or DPMS pattern rifles.

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Q
Btavs, guest, from CA, United States, asked on July 06, 2022

Will this fit a Spikes tactical billet gen 2 lower? The mag button is not standard geometry.

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on July 21, 2022

If your Spikes Tactical lower does not have Mil-Spec dimensions the Phase 5 Weapon Systems Inc Extended Bolt Release will most likely not work.

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Q
Danmy, member, from SC, United States, asked on October 16, 2021

Will this work on a Daniel Defense DDM4V7

Expert Answer
A
Answered by Patrick, Gear Expert, from IL, United States, on November 08, 2021

Yes, this should be compatible.

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Q
Germargo, member, from MI, United States, asked on May 11, 2021

Will this fit at S&W M&P 15-22 rifle?

Expert Answer
A
Answered by Patrick, Gear Expert, from IL, United States, on November 08, 2021

Yes, this should be compatible.

1 of 1 found the following answer helpful.
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Q
Brian Beaumont, guest, from OH, United States, asked on June 26, 2020

Will this fit a Ruger AR-556?

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on August 30, 2021

This item should be compatible with your Ruger AR-556

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Q
Sean, member, from MI, United States, asked on June 04, 2018

Is this meant to be used with a certain bolt release? It's not recessed enough to fit around a standard bolt release so it constantly locks the bolt.

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 02, 2018

This is designed to work with a standard mil-spec bolt release, however due to the vast number of different manufacturers of both the releases and receivers, it's always possible that some configurations are not compatible.

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