RTT Live - Q&A

Published on October 16, 2019
Duration: 42:49

This live Q&A session from RTT: Guns & Gear covers various firearm-related topics. The host discusses building an AR pistol with a Bear Creek Arsenal upper chambered in 6.5 Grendel, highlighting its value and performance. He also details his preferred 36-yard zero for carbines and explains the features of a budget-friendly Crimson Trace tactical light. The conversation touches on the failure of a polymer lower receiver, the benefits of aluminum lowers, and recommendations for carry ammunition. Additionally, the host offers advice on IFAK (Individual First Aid Kit) contents and body armor options.

Quick Summary

The 36-yard zero is recommended as a practical 'combat zero' for AR-15 carbines with 10.5 to 16-inch barrels in calibers like 5.56/.223 and 7.62x39. This zeroing distance minimizes bullet trajectory discrepancies out to 100 yards, offering consistent performance for various engagement scenarios.

Chapters

  1. 00:00Live Stream Start & Introduction
  2. 00:45Handling New Gear & Weekend Plans
  3. 01:35Discussing Sighting In a Firearm
  4. 02:38AR Pistol Build: 6.5 Grendel Upper
  5. 02:52Bear Creek Arsenal Upper Details
  6. 03:17Vortex Crossfire Optic Review
  7. 04:12Crimson Trace Tactical Light Features
  8. 04:59Preferred Sighting In Distance: 36-Yard Zero
  9. 06:01Crimson Trace Light Price & Value
  10. 08:42Girlfriend's Rifle & Polymer Lower Failure
  11. 10:50Takedown Pin Breakage Analysis
  12. 12:02Spike's Tactical Aluminum Lower
  13. 13:27BCM Trigger Discussion
  14. 14:36BCM Polished Trigger Quality
  15. 16:48Bayonet Utility on Modern Rifles
  16. 18:46Carry Ammunition Recommendations
  17. 20:01Firearm Proficiency for Individuals on the Spectrum
  18. 20:41Retro AR Build Ideas
  19. 21:19Bear Creek Upper vs. PSA Upper Comparison
  20. 22:29Optics on AKs and ARs
  21. 23:04Bear Creek Grendel Barrel Feedback
  22. 23:20Aging and Appearance
  23. 24:30Comment Section & Future Content Plans
  24. 25:23Returning Fire Q&A Series Relaunch
  25. 27:25New Targets & Upcoming Gear
  26. 27:36Body Armor Acquisition
  27. 28:22Muzzle Devices & Flash Hiders
  28. 28:54Mantis X10 Review Update
  29. 29:03IFAK Kit Recommendations
  30. 31:46Clarification on 5.56 vs. 7.62x39 Mags
  31. 32:17Body Armor Market & Safe Lite
  32. 33:00Bravo Concealment Holsters
  33. 34:00Backpack Recommendations
  34. 35:55OWB Holster for Glock 19X
  35. 36:10QHP 701 Discussion
  36. 36:20Future Content & Patreon Updates
  37. 37:01Patreon.com/RTTGunsGear
  38. 37:07Patreon Level Adjustments
  39. 39:56Monetization Challenges & Channel Sustainability
  40. 40:20RTTGunsGear.com Website Updates
  41. 41:09Appreciation & Live Stream Wrap-up
  42. 41:43Upcoming IFAK Video Details
  43. 42:35Closing Remarks & Thanks

Frequently Asked Questions

What is the recommended zero distance for AR-15 carbines?

The host recommends a 36-yard zero for 5.56/.223 and 7.62x39 carbines with 10.5 to 16-inch barrels. This 'combat zero' provides minimal discrepancy out to 100 yards, making it practical for various engagement distances.

What are the key features of the Crimson Trace CTF300 tactical light?

The Crimson Trace CTF300 offers 900 lumens for $90 and includes keymod, emlock, and picatinny mounting hardware. It features a pressure switch with momentary and constant-on functions and a simple tail cap operation, making it a budget-friendly tactical lighting solution.

Why is a 36-yard zero considered a good combat zero?

A 36-yard zero is considered a practical combat zero because it minimizes the vertical deviation of the bullet's trajectory out to 100 yards for common carbine calibers like 5.56/.223 and 7.62x39. This allows for more consistent hits without constant sight adjustments.

What are the advantages of an aluminum lower receiver over a polymer one?

Aluminum lower receivers are generally more durable and less prone to catastrophic failure than polymer lowers. The host experienced a polymer lower breaking across the takedown pin, leading him to recommend aluminum as a more reliable option for firearm builds.

What ammunition does the host recommend for concealed carry?

For concealed carry, the host recommends Federal Syntech 138-grain 9mm, noting its smooth loading and reliable function. He also vouches for Hornady 124-grain XTP, Critical Duty, and Critical Defense ammunition.

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