Q&A for HERA Arms Adjustable Gas Block System

HERA Arms Adjustable Gas Block System

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Tommy, member, from NC, United States, asked on March 22, 2022

There are four models and in each model it has two gas blocks attached to the gas tubes. How do we know what’s what? Why are there different prices?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on May 11, 2022

The HERA Arms Adjustable Gas Block Systems are offered in (4) different lengths. MPN:11.03.05 (Carbine), MPN:11.03.06 (Mid-length), MPN:11.03.07 (Rifle length), and MPN:11.03.08 (Pistol Length).

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MI, member, from VA, United States, asked on October 05, 2022

Are these considered low profile gas blocks?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on October 12, 2022

The HERA Arms Adjustable Gas Block System would be considered a low profile gas block.

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Ryan, member, from IN, United States, asked on May 18, 2021

Gas block size?

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on September 22, 2021

Available length / diameters :

.750 : Pistol / Carbine / Mid. / Rifle
.936 : Mid. / Rifle

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Andrew Campbell, member, from VA, United States, asked on May 05, 2021

What size (.625/.750) are these blocks?

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on September 22, 2021

Available length / diameters :

.750 : Pistol / Carbine / Mid. / Rifle
.936 : Mid. / Rifle

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jim, member, from CA, United States, asked on June 29, 2025

What is the height of the gas block and/or what is the overall internal diameter of a hand guard required to run this gas block?

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Q&A for HERA Arms Adjustable Gas Block System — 5 Questions & 6 Answers

There are four models and in each model it has two gas blocks attached to the gas tubes. How do we know what’s what? Why are there different prices?

Are these considered low profile gas blocks?

Gas block size?

What size (.625/.750) are these blocks?

What is the height of the gas block and/or what is the overall internal diameter of a hand guard required to run this gas block?