Micro Prisms So Hot Right Now

Published on September 3, 2023
Duration: 19:25

This guide details the mounting options for Primary Arms 3x and 5x Micro Prism optics, emphasizing the importance of selecting the correct mount height based on rifle type (AK/shotgun vs. AR) for proper sight alignment. It advises using cantilever mounts for better eye relief and stresses the critical need for accurate torque values to avoid damaging the optic or mount. The guide also touches on the use of spacers and the potential impact of higher mounts on ballistics calculations.

Quick Summary

Primary Arms Micro Prism optics offer a lighter, more compact alternative to LPVOs, with fixed magnification and good glass quality comparable to Vortex PST. They feature comfortable 2.7-inch eye relief and offer options like piggyback or offset red dot mounts. While generally durable, the piggyback mount's robustness under impact is questionable compared to offset mounts.

Chapters

  1. 00:01Intro: Prisms vs. ACOGs
  2. 00:11Paul's Intro & LPVO Debate
  3. 00:49Introducing the Dual Power Optic (DPO)
  4. 01:01Previous ACOG/Eccos Video Mention
  5. 01:15Practical Shooting Scenario Approach
  6. 01:31Primary Arms 3x & 5x Micro Prisms
  7. 01:42Why Move Away From LPVOs?
  8. 01:55Footprint and Size Comparison
  9. 02:10Weight Comparison
  10. 02:25Mounting Options Explained
  11. 02:42Low Mount / No Spacer Option
  12. 02:59AR-Type Rifle Mount (Medium Spacer)
  13. 03:17Cantilever Mount vs. Straight Mount
  14. 03:232.0 Inch High Mount Discussion
  15. 03:49Mount Torque Specifications
  16. 04:12External Controls: Adjustment Turrets
  17. 04:42Diopter Adjustment
  18. 05:11Illumination Knob
  19. 05:39Auto Live Technology
  20. 05:57Internal Discussion: Glass Performance
  21. 06:02Primary Arms Glass Tiers (SLX, GLX, PLX)
  22. 06:16SLX Glass Quality in Prisms
  23. 06:36SLX Prism vs. Nova 1-6 Glass
  24. 06:475x vs. 3x Glass Distortion
  25. 07:09SLX Glass vs. ACOG Glass
  26. 07:27Glass Quality Comparison (Vortex PST)
  27. 07:33Eye Relief Comparison (ACOG vs. Prisms)
  28. 07:47Eye Relief: 2.7 Inches
  29. 07:56Eye Box Tolerance
  30. 08:46Illumination Importance for Prisms
  31. 09:09Red Dot Integration: Piggyback vs. Offset
  32. 09:34Piggyback Mount Pros & Cons
  33. 09:46Offset Mount Pros & Cons
  34. 10:10DPO Setup Use Case
  35. 10:33Performance Testing Setup
  36. 11:21Setup Differences & LPVO Occluded Shooting
  37. 11:37Durability Discussion
  38. 11:48Brass Facts Video Mention
  39. 12:32Drop Test Experiences
  40. 13:295x Prism & Piggyback Mount Drop Test
  41. 14:11Durability Conclusions
  42. 14:52Long Range Discussion
  43. 14:593x Prism: ACSS Raptor Reticle
  44. 15:31Raptor Reticle Features
  45. 16:225x Prism: ACSS Aurora Reticle
  46. 16:32Aurora Reticle Variations (BDC vs. Mil)
  47. 16:56Aurora Reticle Features
  48. 17:08Sub-Tensions and Reticle Database
  49. 17:38Long Range Shooting Demo
  50. 18:04Final Thoughts & Pricing
  51. 18:13Primary Optic vs. Secondary Optic
  52. 18:39Flipping Use Case and Requirements
  53. 19:05Conclusion: Is the DPO Setup Right for You?
  54. 19:09Outro

Frequently Asked Questions

What are the main advantages of Primary Arms Micro Prism optics over LPVOs?

Primary Arms Micro Prism optics are generally lighter and more compact than LPVOs, making them a good choice for shooters prioritizing reduced weight and size. They also offer fixed magnification, which can simplify use for certain scenarios and potentially offer better durability due to fewer moving parts.

How do the mounting options for Primary Arms Micro Prisms differ for AR vs. AK platforms?

For AKs and shotguns with stocks below the action, a low mount or no spacer is recommended to align the optic correctly. For AR-type rifles, the included mount with a medium spacer provides a 1.5-inch height, which is a standard and effective compromise for sight height and cantilever.

What is the eye relief like on Primary Arms 3x and 5x Micro Prisms?

Both the 3x and 5x Primary Arms Micro Prism optics feature a comfortable 2.7 inches of eye relief. While adequate for a good sight picture, it's slightly less forgiving than that found on many LPVOs, potentially requiring a minor adjustment in head position.

How durable are the mounting systems for Primary Arms Micro Prisms, especially the piggyback mount?

While the 3x prism with an offset mount showed good durability in drop tests, the piggyback mount for the 5x prism proved less robust. After a waist-high drop, the piggyback-mounted red dot went off paper, suggesting the offset mount is a more durable option for rugged use.

What reticle options are available for the Primary Arms Micro Prism scopes?

The 3x Micro Prism typically comes with the ACSS Raptor reticle, featuring bullet drops and ranging stadia. The 5x Micro Prism features the ACSS Aurora reticle, which is considered better for long-range shooting with a cleaner illuminated chevron and more refined ranging features.

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