V Seven Match AR-15 300 AAC Blackout Barrel Review & Install

Published on January 26, 2016
Duration: 14:59

This guide details the installation of a V7 300 Blackout 12.5-inch target barrel onto an AR-15 upper receiver. It covers essential steps from preparing the receiver and barrel to securing the barrel nut, gas block, and handguard. The process emphasizes proper lubrication, torque specifications, and alignment for optimal performance. The installation is presented by an experienced instructor, highlighting best practices for a reliable firearm build.

Quick Summary

The V7 300 AAC Blackout target barrel is a 12.5-inch component made from 416R stainless steel with a 1:8 twist rate and polygonal rifling. It's guaranteed to achieve at least 1 MOA at 100 yards and features a medium contour for balanced heat dissipation and rigidity.

Chapters

  1. 00:00Intro to V7 300 Blackout Barrel
  2. 01:02V7 Weapon Systems and Founder
  3. 01:13Barrel Specifications
  4. 01:40Gas Block and Tube
  5. 01:59Gas Block Features
  6. 02:14Barrel Lapping and Finish
  7. 02:45Chamber and Threading
  8. 02:59Barrel Contour and Heat Dissipation
  9. 03:11Build Plan and Accuracy Guarantee
  10. 03:31Build Components
  11. 03:52Tools and Lubricants
  12. 04:17Odin Works Tools and Torque Wrench
  13. 04:30Upper Receiver Installation
  14. 05:01Barrel Installation
  15. 05:15Barrel Adapter and Tightening
  16. 05:43Gas Tube Alignment
  17. 05:53Vibra-Tite Application
  18. 06:10Barrel Nut Installation
  19. 06:40Gas Block Installation
  20. 07:40Locktite and Set Screw
  21. 07:57Muzzle Brake Installation
  22. 09:00Handguard Installation
  23. 09:35Handguard Tightening
  24. 09:59Build Completion and Range Test
  25. 10:40Accuracy Testing (Pistol Form)
  26. 10:57Barrel Accuracy Performance
  27. 11:13Group Analysis
  28. 11:33Tripod Influence
  29. 11:44Future Plans and Variants
  30. 11:57Ammunition Used
  31. 12:21Ammunition Feeding Issues
  32. 12:59Founder Background and Company Mission
  33. 13:21Product Availability and Pricing
  34. 13:55Conclusion and Recommendation

Frequently Asked Questions

What are the key specifications of the V7 300 AAC Blackout target barrel?

The V7 300 AAC Blackout target barrel is 12.5 inches long, made from 416R stainless steel with a Rockwell hardness of 30-32. It features a 1:8 twist rate, polygonal rifling, and a medium contour for optimal heat dissipation and rigidity.

What is the accuracy guarantee for V7 barrels?

V7 barrels come with a guarantee to be at least 1 MOA (Minute of Angle) at 100 yards. This ensures a baseline level of precision for shooters looking for reliable performance from their AR-15 builds.

What tools are essential for installing an AR-15 barrel?

Essential tools for AR-15 barrel installation include an upper receiver vise, a torque wrench, a 1-1/4 inch crowsfoot wrench, roll pin holders, a hammer, and specific alignment tools for the gas tube. Lubricants like Aeroshell grease are also crucial.

What common ammunition feeding issues can arise with 300 Blackout builds?

A common issue with 300 Blackout is feeding problems when using remanufactured ammunition made from 5.56 brass. Tight tolerances and thicker case walls can cause malfunctions, making dedicated 300 Blackout cartridges a more reliable choice.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from sootch00

View all →