The QA June 2020 - On Location from Vacation

Published on June 29, 2020
Duration: 23:49

This episode of The QA by UN12 Magazine, hosted by Dave Timm and sponsored by Rainier Arms, addresses viewer questions on firearm accessories, maintenance, and shooting techniques. Topics include recommendations for extended Glock magazine releases, methods for removing stuck crush washers, optimizing AR-10 ejection patterns when suppressed, choosing between rifle stocks and chassis, proper rifle zeroing procedures, determining correct scope ring height, and selecting effective muzzle devices. The host emphasizes practical advice and shares personal experiences to help viewers make informed decisions regarding their firearms and shooting setups.

Quick Summary

For Glock Gen 5 extended magazine releases, the Vickers model is common, but aluminum aftermarket options risk magazine wear. Stuck crush washers can be removed with penetrating oil, heat, or by professional milling. Overgassed suppressed AR-10s benefit from heavier buffers or JP Silent Captured Springs. Chassis offer rigidity, stocks offer ergonomics. Proper zeroing involves aligning POI/POA, zeroing turrets, and using ballistic data. Scope ring height is determined by base-to-centerline measurement plus half the scope's diameter.

Chapters

  1. 00:00Introduction & Sponsor
  2. 00:33Comment Cleanup & App Recommendations
  3. 02:18Law Enforcement Career Question
  4. 02:39Sig 290 Failure to Eject & Ammo Quality
  5. 05:49Glock 45 Extended Magazine Release
  6. 08:43Stuck Crush Washer Removal
  7. 10:30AR-10 Overgassed Suppressed & Buffer/Springs
  8. 12:55Sponsor Break: Rainier Arms Apex Club
  9. 14:09Muzzle Device for Flash & Muzzle Rise
  10. 16:40Precision Rifle Stock vs. Chassis
  11. 20:03Rifle Zeroing Process Beyond Basic
  12. 21:40Determining Scope Ring Height
  13. 24:04Monthly Winner Selection
  14. 24:20Outro & Call to Action

Frequently Asked Questions

What are some common issues with aftermarket Glock magazine releases?

Aftermarket aluminum magazine releases for Glocks can potentially damage the magazine's polymer catch area due to material differences. It's generally recommended to stick with polymer parts or be aware of potential wear when using metal components.

How can I remove a stuck crush washer from my rifle's muzzle brake?

If a crush washer is stuck, try using penetrating oil and heat. If that fails, carefully tap it with a punch and hammer to move it away from the shoulder, or seek professional help from a gunsmith who can mill it off.

What causes an AR-10 to be overgassed when suppressed, and how can I fix it?

An AR-10 can be overgassed when suppressed due to increased backpressure. Solutions include using a heavier buffer or a JP Silent Captured Spring system to regulate the action's cycling speed and improve ejection.

What's the difference between a rifle chassis and a traditional stock?

Rifle chassis offer a rigid, modular platform often using AR furniture, while traditional stocks prioritize ergonomics and comfort, allowing for more natural shooting positions. Stocks typically require bedding for optimal stability.

How do I determine the correct height for my rifle's scope rings?

To find the right scope ring height, measure the distance from the scope base to where you want the center of the scope. This height, plus half the scope's diameter, ensures clearance for the objective bell over the barrel.

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