Live Q&A With Dimitri From Primary Arms

Published on February 29, 2020
Duration: 51:45

This live Q&A features Dimitri, the primary designer behind Primary Arms' ACSS optics, discussing various reticle designs, optic technologies, and their applications. Key topics include ACSS reticle suitability for different calibers and shooting disciplines, recommendations for users with astigmatism, and the pros and cons of first versus second focal plane optics. Dimitri also touches on product development, supply chain issues, and the design philosophy behind effective reticles.

Quick Summary

Dimitri, the designer of Primary Arms' ACSS optics, recommends prism optics for individuals with astigmatism, emphasizing the importance of adjusting the diopter ring for a clear sight picture. He also notes that FFP optics offer consistent reticle subtensions across all magnifications, unlike SFP optics which are only accurate at max power.

Chapters

  1. 00:51Introduction to Dimitri & ACSS Optics
  2. 01:48Best ACSS for 300 PRC
  3. 02:22ETA on SFX First Focal Plane Optics
  4. 02:37Factory Resetting ACSS Optics
  5. 03:17ACSS in ACOG & BCOG
  6. 03:35Best ACSS for Astigmatism
  7. 04:12Best ACSS for Grendel
  8. 04:39Understanding ACSS Reticle Alignment
  9. 05:37Primary Arms Optic Lines: SLX, GLX, PLX
  10. 06:32Value of Primary Arms Optics
  11. 07:32Mini ACSS for AK Platforms
  12. 08:18Using Magnifier with Cyclops
  13. 08:54Holdover with First Focal Plane Scopes
  14. 10:04Machine Gun Optics for 248/249
  15. 10:23Red Dot for Saiga AK-47
  16. 10:45ACSS for 9mm PCCs
  17. 11:231-6x in FDE
  18. 11:47LPVO for 45-70 Lever Action
  19. 13:03Gracie Family & ACSS Design
  20. 13:58Supply Chain Issues & Coronavirus
  21. 15:07Variable Power Magnifiers
  22. 15:29Spotting Scope Plans
  23. 16:16Popular AR Optic Power in 5.56
  24. 16:47FFP vs. SFP LPVO Pros & Cons
  25. 19:21Palmetto State Armory Gun Quality
  26. 20:39Cyclops Dimness vs. Other Prisms
  27. 21:08Cyclops Range on AR Pistol
  28. 22:33Troubleshooting Cyclops Reticle Visibility
  29. 23:29PSA JAKL Review
  30. 23:54PA Microdot & SOCOM 16 Irons
  31. 24:24LPVO with Generous Eye Relief
  32. 25:00ACSS Reticle Range Estimation
  33. 27:111-8x Platinum on War Weapon
  34. 28:23Windage with 5.56 at Distance
  35. 28:28ACSS for Elk?
  36. 29:26SLX 1-8x on Scar
  37. 30:30Why Scars Eat Optics
  38. 31:32Etched Reticle Mini Red Dots for Pistols
  39. 32:44BDC on Pistol Slides
  40. 33:41ACSS Trijicon 1-8x
  41. 35:33Thoughts on Coronavirus
  42. 36:17FFP vs SFP Eye Boxes
  43. 37:01Higher Power GLX Prism?
  44. 37:15Vertical Range Estimation with Raptor Reticle
  45. 37:57ACSS in 6.5 Creedmoor
  46. 39:15ACSS Griffin Mill Reticle
  47. 40:44Scope Recommendation for 7.62x54R
  48. 42:38Hunting/Plinking Reticle: 2 MOA Dot vs ACSS
  49. 43:54Cutting Off Questions
  50. 44:16Solar Powered Scopes
  51. 45:00Prism Optics Battery Life & Shake Awake
  52. 46:15Suppressor Video & Whiteboard Videos
  53. 47:15Final Question
  54. 47:505x Prism for 7.62x39?
  55. 48:31Transonic Bullet Flight Explained
  56. 51:00Channel Growth & Giveaways

Frequently Asked Questions

What is the best ACSS reticle for 300 PRC?

For 300 PRC, Dimitri recommends the Athena BPR mil or the VD18 BPR mil. While MOA versions are functional, the choice often comes down to personal preference for the reticle's design and aiming points.

How can someone with astigmatism best use an ACSS optic?

Prism optics are generally better for individuals with astigmatism due to their configuration. It's crucial to properly adjust the diopter ring on the optic to achieve a clear, crisp sight picture. Etched variable optics can also work, but prisms often offer a superior experience.

What are the main differences between First Focal Plane (FFP) and Second Focal Plane (SFP) optics?

In FFP optics, the reticle subtensions remain constant across all magnifications, allowing for accurate range estimation at any power. SFP reticles are only accurate at their maximum magnification. FFP optics are generally more complex and expensive to manufacture.

Why do some rifles like the SCAR tend to break optics?

Rifles like the SCAR and FAL can damage optics due to the unique recoil impulse, specifically the forward jerk after the bolt cycles. Many modern optics are now designed with this in mind, but older designs or those not built for heavy recoil can fail.

What is the advantage of the ACSS Griffin mill reticle?

The ACSS Griffin mill reticle is designed for rapid target engagement in CQB and medium-range scenarios. It allows for quick ranging and shooting without complex calculations, while also supporting ballistic data for extended ranges, making it highly versatile.

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