First Production Review of the Armalite AR 10A

Published on September 2, 2018
Duration: 13:35

This review of the Armalite AR-10A focuses on its key difference from earlier models: the ability to use SR-25/AR-10 pattern magazines. The video details the necessary modifications to the upper and lower receivers to accommodate these magazines, contrasting them with the original AR-10's M14 magazine compatibility. It also touches on accessory options like optics and bipods, offering insights into the evolution of the AR-10 platform.

Quick Summary

The Armalite AR-10A's key distinction from earlier AR-10 models is its compatibility with SR-25/AR-10 pattern magazines. This required modifications to both the upper and lower receivers, including altering the magazine well shape and removing an internal magazine stop on the upper receiver.

Chapters

  1. 00:05Introduction to Armalite AR-10A
  2. 00:13Original AR-10 and M14 Magazines
  3. 00:52Post-Ban SR-25 Magazine Trend
  4. 01:57Pressure for SR-25 Compatibility
  5. 02:25Introduction of the AR-10A
  6. 02:32AR-10A's SR-25 Magazine Capability
  7. 02:39Receiver Modifications for SR-25 Mags
  8. 03:01Original AR-10 Upper Receiver Details
  9. 03:13SR-25 Type Pattern Magazine Differences
  10. 03:34Lower Receiver Incompatibility
  11. 03:36Changes on M14 Pattern Lower Receiver
  12. 04:10Lower Receiver Interchangeability
  13. 04:14Converting M14 to SR-25 Pattern
  14. 04:50Magazine Differences Explained
  15. 05:07SR-25 Pattern Magazine Example
  16. 05:11M14 Magazine Comparison
  17. 05:31M14 Magazine Well Design
  18. 05:48Magazine Capacity Options
  19. 06:01Prototype Rifle Serial Number 28
  20. 06:09Mark Westrom's Introduction
  21. 06:20Armalite Ownership Changes
  22. 06:32SR-25 Magazine and Bolt Catch
  23. 06:44Inside the Receiver: Trigger and Safety
  24. 06:54Elcan Specter Optic
  25. 07:03Barrel and Optic Suitability
  26. 07:10Magpul Backup Sights
  27. 07:21Optic Mount System
  28. 07:32Bob Romo Bipod Review
  29. 08:05Bipod Quality and Origin
  30. 08:10Front Sight Base and Rail
  31. 08:16Handguard to Front Sight Height
  32. 08:25Rail Alignment for Sights
  33. 08:33Muzzle Device
  34. 08:38SR-25 vs. M14 Magazine Debate
  35. 08:44Magazine Mechanics and Durability
  36. 08:54SR-25 Magazine Commercial Base
  37. 09:05SR-25 Magazine Material
  38. 09:14PMAG Reliability
  39. 09:21Mechanical Functionality
  40. 09:30Newer Armalite M14 Magazines
  41. 09:40Personal Armalite Rifle Collection
  42. 09:48Buying Advice: New vs. Used AR-10
  43. 10:17Range Test Introduction
  44. 10:25New Accessories on Range
  45. 10:35Bipod Quality Highlight
  46. 10:51Bipod Availability
  47. 12:44Video Conclusion

Frequently Asked Questions

What is the main difference between the Armalite AR-10A and older AR-10 models?

The primary difference in the Armalite AR-10A is its ability to utilize standard SR-25/AR-10 pattern magazines. Older models were designed around modified M14 magazines due to magazine availability issues during past bans.

What modifications are needed for an Armalite AR-10A to accept SR-25 magazines?

The AR-10A requires modifications to both the upper and lower receivers. The upper receiver's internal magazine stop is removed, and the magazine well's shape is altered to accommodate the SR-25 pattern magazine.

Are M14 and SR-25 pattern AR-10 receivers interchangeable?

No, the upper and lower receivers are not interchangeable. Significant changes to the magazine well shape and bolt catch mean you must use the specific upper and lower receivers designed for either the M14 or SR-25 pattern magazines.

Which magazine is considered more durable: M14 or SR-25 pattern?

The M14 magazine is generally considered more durable and reliable, often made of steel. However, the SR-25 pattern magazine has a much wider commercial availability with many manufacturers producing them, often also in steel for increased reliability.

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