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Q&A for Grid Defense 7.62x39 Upper Receiver — 16 Questions & 16 Answers

Name Grid Defense 7.62x39 Upper Receiver (4.5)
As Low As $289.99 Save Up to 27%
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Q
Matthew Insley, member, from NJ, United States, asked on December 27, 2022

If this is just an upper receiver how can you justify the difference In price for barrel lengths

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on February 28, 2024

The Grid Defense 7.62x39 Upper Receiver is an assembled upper but does not include a BCG or Charging handle. Prices will vary slightly due to barrel length and color. Please email us at Techsales@opticsplanet.com for more information.

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Q
Anthony, member, from VA, United States, asked on December 02, 2022

Does the gas block vent out of the front?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on February 23, 2023

The manufacturer does not provide that information. I recommend contacting the manufacturer in regard to your question.

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Q
Trevor, member, from WA, United States, asked on April 24, 2022

Does this upper have m4 feed ramps?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on May 09, 2022

The manufacturer does not state if the Grid Defense 7.62x39 Upper Receivers have an M4 Feed Ramp. I recommend contacting the manufacturer for that information.

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Q
Mikey8, member, from PA, United States, asked on March 26, 2022

It says AR15 in one place and ar10 in another. Which is it?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on April 05, 2022

The Grid Defense 7.62x39 Upper Receiver will work with Mil-Spec AR15 lower receivers.

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Q
pipelinner, guest, from TX, United States, asked on February 16, 2022

1.where do you get the bolt carrier and charging handle 2same as with mag. 3 ar15 lower works you say 4 does it shoot the steel casings

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on February 23, 2022

You can find BCG's, Charging Handles, and magazines for the the Grid Defense 7.62x39 Upper Receiver by clicking on the links below.
https://www.opticsplanet.com/bolt-carrier-group.html?_iv_gridSize=120&_iv_parent-caliber=7-dot-62x39mm
https://www.opticsplanet.com/charging-handles.html?_iv_gridSize=120&_iv_parent-gun-make=ar-platform
https://www.opticsplanet.com/s/7.62x39mm-magazine

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Q
Surly Swine, member, from TX, United States, asked on December 23, 2021

is this a complete upper bolt carrier group

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on January 20, 2022

The Grid Defense 7.62x39 Upper Receiver does not include a bolt carrier group(BCG)or a charging handle.

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Q
Andy, member, from TX, United States, asked on September 09, 2021

What is the thread spec on the barrel

Expert Answer
A
Answered by Tom B, Gear Expert, from IL, United States, on October 15, 2021

the thread pitch is 5/8x24

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Q
Sciwon, member, from FL, United States, asked on October 19, 2020

Are the Grid Defense 762x39 uppers compatible with the PSA KS 47 gen 2 lower?

A
Answered by Little Scooter, member, from MS, United States, on September 02, 2021

nope don't believe so

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Q
Tyler, member, from WV, United States, asked on August 20, 2020

What is the thread pitch on these barrels

Expert Answer
A
Answered by Tom B, Gear Expert, from IL, United States, on October 15, 2021

The thread pitch is 5/8x24

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Q
Travis S, member, from CT, United States, asked on August 15, 2020

What magazines are compatible with this for an ar lower?

Expert Answer
A
Answered by Todd, Gear Expert, from IL, United States, on August 06, 2021

AR15 magazines designed specifically for 7.62x39.

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