Build Box: .350 Legend AR Build | Gun Talk Media

Published on October 19, 2023
Duration: 22:08

This video details the process of building an AR-15 platform rifle chambered in .350 Legend, focusing on the installation of key components like the barrel, gas block, and handguard. It highlights the advantages of the .350 Legend cartridge for hunting and provides practical tips on assembly techniques, including proper torquing and alignment to ensure reliable function. The build culminates in a rifle optimized for hog hunting.

Quick Summary

The .350 Legend cartridge offers significant advantages for hunting, providing more energy than .223, .300 Blackout, and .30-30, with less recoil than a .350 Bushmaster. It utilizes the same bolt face as .223/5.56, simplifying AR-15 builds, and dedicated .350 Legend magazines are recommended for optimal feeding.

Chapters

  1. 00:03Introduction to .350 Legend
  2. 00:15Building an AR-15 Platform
  3. 00:47Build Box Introduction
  4. 01:17Types of AR-15 Builds
  5. 01:47Hunting AR-15 Build Concept
  6. 02:04Surprise Guest Expert
  7. 02:26.350 Legend on AR Platform
  8. 03:00Ballistic Advantage Components
  9. 03:54.350 Legend Cartridge Explained
  10. 05:16Build Box Sponsors
  11. 05:33Lower Receiver Assembly
  12. 06:03Expert Joins the Build
  13. 06:25Reaction Rod vs. Vice Clamping
  14. 07:02Barrel Installation Technique
  15. 08:32Buffer System Choice
  16. 10:19Torque Wrench Usage
  17. 11:26Body Positioning for Torque
  18. 12:13Gas Block Installation: Pinned vs. Dimpled
  19. 13:45Tightening Gas Block
  20. 14:05Driving the Gas Block Pin
  21. 15:00Gas Tube Installation
  22. 15:09Wheeler Tools Sponsorship
  23. 16:09Checking Gas Tube Alignment
  24. 16:25Installing Gas Tube Roll Pin
  25. 17:00Completing the Build
  26. 17:26Final Rifle Assessment
  27. 18:11Rifle Balance and Weight
  28. 18:35Odin Works Rail System
  29. 19:24Magazine Considerations
  30. 19:50.350 Legend Magazine Pro Tip
  31. 20:11Test Firing the Build
  32. 20:21Recoil and Performance
  33. 20:36Suppressor Performance
  34. 20:51Ejection Pattern
  35. 21:02.350 Legend in AR Setup
  36. 21:33Optic Adjustment
  37. 21:43Build Conclusion
  38. 22:00Gun Talk Content

Frequently Asked Questions

What are the advantages of the .350 Legend cartridge for hunting?

The .350 Legend offers more energy than .223, .300 Blackout, and .30-30, making it effective for hunting. It also provides 20% less felt recoil than a .243 and 20% more penetration at 200 yards, while using the same bolt face as a .223/5.56.

Why is a pinned gas block preferred over dimpling for AR-15 builds?

A pinned gas block is considered more secure as it prevents the block from moving or walking out, which can happen with set screws even when dimpled. This ensures consistent alignment of the gas system for reliable firearm function.

What is the recommended buffer system for a .350 Legend AR build with a suppressor?

For a .350 Legend AR build, especially when using a suppressor, a rifle-length buffer system is recommended. This helps manage increased back pressure from the suppressor and provides a smoother shooting experience by creating more drag.

What are the key considerations when installing a barrel nut on an AR-15?

When installing a barrel nut, it's crucial to ensure the barrel is properly timed with the receiver. Using a reaction rod can sometimes lead to misalignment, so direct clamping in a vise with proper tools and torquing to spec is preferred to maintain structural integrity.

Are standard 5.56 magazines compatible with .350 Legend?

While .350 Legend cartridges may technically load into 5.56 magazines, it's recommended to use dedicated .350 Legend magazines. This helps mitigate potential feeding issues and ensures optimal reliability for the cartridge.

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