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Q&A for Phase 5 Weapon Systems Inc Littleboy Hex Brakes — 17 Questions & 17 Answers

Name Phase 5 Weapon Systems Inc Littleboy Hex Brakes (5)
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Q
Grillfather, member, from WI, United States, asked on June 18, 2025

Does it kind of slightly go over the barrel, or are some of the pictures for these online for shorter barrels with longer hand guard rails?

Manufacturer Answer
A
Answered by Phase 5 WSI, Manufacturer from CA, United States, on June 25, 2025

Our Phase 5 littleBOY and FATman Hex Brakes will overlay the barrel by 1.15", giving it the "tucked" look without having a longer handguard vs barrel length.

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Q
Dan, member, from IA, United States, asked on December 07, 2024

Which model, the 1/2X28 or the 1/2X36 will work with an IWI Galil 7.62X39? Thanks.

Manufacturer Answer
A
Answered by Phase 5 WSI, Manufacturer from CA, United States, on December 11, 2024

Double check the thread pitch for your specific barrel. The specs for the Galil 7.62x39 show 1:9.45" RH threading, which will not work with either option.

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Q
V, member, from AZ, United States, asked on August 23, 2022

This would fit on a 9mm pistol? Yes?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on September 01, 2022

The Phase 5 Weapon Systems Inc Littleboy Hex Brakes will work with a 9mm pistol. You will need model littleBOY-1/2x28 9mm if your barrel is threaded for 1/2x28. If your barrel is threaded 1/2x36 you will need model LITTLEBOY-9mm.

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Q
kd, member, from AL, United States, asked on August 03, 2022

Is this considered a flash hider

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

The Phase 5 Weapon Systems Inc Littleboy Hex Brakes are not considered flash hiders.

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Q
Alfonzo, member, from NJ, United States, asked on June 01, 2022

Is the little boy a hex brake considered a brake or a compensator in New Jersey i believe I can only have a muzzle brake.

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on June 14, 2022

The Phase 5 Weapon Systems Inc Littleboy Hex Brakes is both a compensator and muzzle brake.

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Q
Tanis, member, from AR, United States, asked on April 05, 2022

My 300blk is threaded 1/2 x28… but no option for a .30 in 1/2x28? Is the diameter of the hole on the end the same across the board?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on April 13, 2022

The diameter of the central channel of the Phase 5 Weapon Systems Inc Littleboy Hex Brakes varies depending on caliber. The Phase 5 Weapon Systems Inc Littleboy Hex Brakes model that is for 9mm/ 7.62x39 and is threaded for 1/2x28 might work for .300 Blackout. However, I recommend contacting the manufacturer to confirm compatibility.

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Q
Raiden, guest, from CT, United States, asked on November 05, 2021

is this a flash hider or just an compensator ?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on January 21, 2022

The Phase 5 Weapon Systems Inc Littleboy Hex Brake was designed to function primarily as a compensator in order to reduce overall felt recoil.

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Q
Shawn, member, from FL, United States, asked on October 08, 2021

How much of the barrel is shrouded?

A
Answered by Shawn, member, from FL, United States, on October 09, 2021

All but . 87". 2.5" overall length.

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Q
Mrod, guest, from NJ, United States, asked on May 12, 2021

will this work with the 7.62x39 with a 5/8x24 tread?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on August 19, 2021

Yes, MPN:LITTLEBOY-5/8-24 will be work for a 7.62x39 with 5/8x24 threads.

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Q
dan, member, from AK, United States, asked on April 27, 2021

What is the Outer Diameter?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on August 19, 2021

This has a width of 1.26".

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