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V Seven Extreme Environment Gas Tube Up to 23% Off w/ Free S&H — 4 models

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V Seven Extreme Environment Gas Tube Carbine Length, Ionbond Finish EXT-CAR GT
V Seven Extreme Environment Gas Tube Carbine Length, Ionbond Finish EXT-CAR GT
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V Seven Extreme Environment Gas Tube Carbine Length, Ionbond Finish EXT-CAR GT

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Questions & Answers
Are there any products that dont fit up properly with this. I couldn't get mine to fit up properly with a mk12 gas block from DD. Expert Answer

Because of variances between gas blocks, there's no guarantee its going to work with all available options on the market, and unfortunately there is no comprehensive list of compatible options. The only fitment information provided for these gas tubes is the following:

PLEASE NOTE: GAS TUBE MUST BE INSTALLED IN THE GAS BLOCK PRIOR TO SEATING THE GAS BLOCK TO THE BARREL.
**EXT-gas tubes do not fit with Aero Precision Enhanced Upper Receivers (M4E1 & M5E1), or Seekins Precision SAR Handguards.

by Armando R., Gear Expert, August 27, 2021
See 1 More Answer
Will the pistol length gas tube fit the V Seven 6.5 in. Barrel? Expert Answer

Yes the pistol gas tube will fit the V Seven 6.5 in barrel.

by Ryan Tarczynski, Gear Expert, December 7, 2020
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Can't beat inconel! by Kyle, Verified Owner, May 17, 2022
I've tried just about every gas tube available. The fitment for a standard tube vs this aftermarket aren't completely universal depending on your gas block. Out of the 8 different gas blocks I tried, all were a great fit. The only downside to this ga...
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2/7 found this helpful
Helpful Positive Review
very good product by Edm91, Verified Owner, April 22, 2025
I like it. Definitely well built very sturdy. Pricey for a gas tube. But well worth it.
1/1 found this helpful
Helpful Positive Review
Best Gas Tube You'll Probably Never Need by Boxnovice, May 20, 2020
Out of the box you can see more milling step cuts that indicate that not only is the tube made out of a bomb proof material but it is also thicker walled. Tolerances are perfect and it sustained many mag dumps without a hint of fatigue or discolorati...
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Helpful Positive Review
The Only Gas Tube to Use by Matt, Verified Owner, August 15, 2020
The V7 Extreme Environment Gas Tube is the only gas tube that anyone should use. The gas tube is one of the failure points on an AR during sustained fire. It literally melts and you have no functioning gun after that. This gas tube is made from a ...
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Helpful Positive Review
Tough gas tube! by bisrael, Verified Owner, October 21, 2020
Like the review title says it is one tough gas tube and it's a part of the home build that doesn't usually get a lot of consideration, but this is in my opinion the most robust choice available for the home AR builder. A+ ��
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Helpful Positive Review
Only Gas tube needed by Sarday Aquatics Fish Expo, Verified Owner, January 11, 2021
On my not worried about price AR15. This is what sits in it. For being a gas tube it does exactly what it is supposed to. It also has a beautiful nitrade finish. If you want the best in your rifle, this is it.
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Product Info for V Seven Extreme Environment Gas Tube

Install a V Seven Extreme Environment Gas Tube to get one of the toughest tubes on the market built to handle harsh conditions while keeping your weapon firing at its full potential. V Seven constructed these AR Gas Tubes from heat-treated Inconel, a remarkably strong super alloy that performs even when under ultra-high firing schedules. For enhanced toughness, the V Seven EXT Extreme Environment Gas Tube contains a DLC coating that amplifies its resistance to corrosion and wear. Take on any challenge in any setting by using the V Seven Extreme Environment Gas Tube for AR-15.image

Specifications for V Seven Extreme Environment Gas Tube:

Manufacturer: V Seven
Color: Black
Finish: Ionbond (DLC)
Fabric/Material: Inconel
Gun Model: AR-15
Caliber: 5.56x45mm NATO
Condition: New

Features of V Seven Extreme Environment Gas Tube:

  • Heat-treated Inconel construction
  • Impervious to heat, compared to a Mil-Spec gas tube
  • Designed to function under super-high temperature firing schedules
  • Eliminates the weak link in direct impingement gas systems
  • 100% corrosion resistant
  • DLC black finish
  • Pistol length weighs 14 grams
  • Carbine length weighs 21 grams
  • Mid-length weighs 26 grams
  • Rifle length weighs 35 grams
  • Lifetime Warranty
  • Please note: gas tube must be installed in the gas block prior to seating the gas block to the barrel.
  • EXT-gas tubes do not fit with Aero Precision Enhanced Upper Receivers (M4E1 & M5E1), or Seekins Precision SAR Handguards

Package Contents:

  • V Seven Extreme Environment Gas Tube

What firearm models does the manufacturer say V Seven Extreme Environment Gas Tube is compatible with?

The manufacturer says that V Seven Extreme Environment Gas Tube is compatible with AR-15

V Seven Extreme Environment Gas Tube Orderable Models

List of Orderable Models

  • V Seven Extreme Environment Gas Tube Carbine Length, Ionbond Finish, EXT-CAR GT , MPN: EXT-CAR GT , UPC: 377777104881 , Code: 3J2-RGT-V7-1135-EXT-CAR-GT
  • V Seven Extreme Environment Gas Tube Mid Length, Ionbond Finish, EXT-MID GT , MPN: EXT-MID GT , UPC: 377777104898 , Code: 3J2-RGT-V7-1135-EXT-MID-GT
  • V Seven Extreme Environment Gas Tube Rifle Length, Ionbond Finish, EXT-RIF GT , MPN: EXT-RIF GT , UPC: 377777104911 , Code: 3J2-RGT-V7-1135-EXT-RIF-GT
  • V Seven Extreme Environment Gas Tube Pistol Length, Ionbond Finish, EXT-PIS GT , MPN: EXT-PIS GT , UPC: 377777104904 , Code: 3J2-RGT-V7-1135-EXT-PIS-GT

V Seven Extreme Environment Gas Tube Unavailable & Discontinued Models

List of Unorderable Models

  • USED, V Seven Extreme Environment Gas Tube Carbine Length, Ionbond Finish, EXT-CAR GT , MPN: EXT-CAR GT-EDEMO , Code: 3J2-RGT-V7-1135-EXT-CAR-GT-EDEMO-OT-U
  • USED V Seven Extreme Environment Gas Tube Carbine Length, Ionbond Finish, EXT-CAR GT, EDEMO3, Condition Parts Only/Salvage, Defective , MPN: EXT-CAR GT-EDEMO3 , Code: 3J2-RGT-V7-1135-EXT-CAR-GT-EDEMO-DF-F
  • USED V Seven Extreme Environment Gas Tube Mid Length, Ionbond Finish, EXT-MID GT, EDEMO9, Condition Fair, Used , MPN: EXT-MID GT-EDEMO9 , Code: 3J2-RGT-V7-1135-EXT-MID-GT-EDEMO-US-D
  • USED V Seven Extreme Environment Gas Tube Mid Length, Ionbond Finish, EXT-MID GT, EDEMO8, Condition Parts Only/Salvage, Defective , MPN: EXT-MID GT-EDEMO8 , Code: 3J2-RGT-V7-1135-EXT-MID-GT-EDEMO-DF-F
  • USED V Seven Extreme Environment Gas Tube Mid Length, Ionbond Finish, EXT-MID GT, EDEMO7, Used, Condition Fair , MPN: EXT-MID GT-EDEMO7 , Code: 3J2-RGT-V7-1135-EXT-MID-GT-EDEMO7
  • USED, V Seven Extreme Environment Gas Tube Mid Length, Ionbond Finish, EXT-MID GT , MPN: EXT-MID GT-EDEMO , Code: 3J2-RGT-V7-1135-EXT-MID-GT-EDEMO-OT-U
  • USED V Seven Extreme Environment Gas Tube Rifle Length, Ionbond Finish, EXT-RIF GT, EDEMO2, Condition Fair, Used , MPN: EXT-RIF GT-EDEMO2 , Code: 3J2-RGT-V7-1135-EXT-RIF-GT-EDEMO-US-D
  • USED V Seven Extreme Environment Gas Tube Mid Length, Ionbond Finish, EXT-MID GT, EDEMO10, Used, Condition Like New , MPN: EXT-MID GT-EDEMO10 , Code: 3J2-RGT-V7-1135-EXT-MID-GT-EDEMO10
  • USED V Seven Extreme Environment Gas Tube Rifle Length, Ionbond Finish, EXT-RIF GT, EDEMO1, Used, Condition Like New, Inspect and Rebox , MPN: EXT-RIF GT-EDEMO1 , Code: 3J2-RGT-V7-1135-EXT-RIF-GT-EDEMO-RE-A
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