RIA STK100 - A Glock clone that could have been somebody....

Published on August 6, 2021
Duration: 16:45

The Rock Island STK100 is a metal-framed Glock-style pistol that shows significant promise but falls short in several key areas. While it boasts excellent ergonomics, a low bore axis, and a smooth shooting experience, its 1:16 barrel twist rate severely limits accuracy with heavier bullet weights and reloads. The optics cut is proprietary to Vortex Venom, and the grip texture is insufficient for secure handling under recoil. Despite these flaws, its shooting dynamics are praised, suggesting potential for future revisions.

Quick Summary

The Rock Island STK100, a metal-framed Glock-style pistol, is noted for its excellent ergonomics and smooth shooting dynamics due to its low bore axis. However, its 1:16 barrel twist rate severely limits accuracy with heavier ammunition, and the grip texture lacks sufficient traction on the front and back straps.

Chapters

  1. 00:00Introduction: Heartbreak with Promise
  2. 00:09Rock Island STK100 Overview
  3. 00:31Review Evolution: Positive to Negative to Mixed
  4. 00:51Nostalgia: The Metal-Framed Glock Dream
  5. 01:25Rock Island STK100: The Aluminum Frame Glock
  6. 01:51Purchase Price and Sponsorship
  7. 02:31The Promise of the STK100
  8. 02:36Initial Impressions: Feel and Balance
  9. 02:51Center of Balance and Competition Advantage
  10. 03:09Rock Island STK100: First Blush Analysis
  11. 03:15Ergonomics and 1911-like Presentation
  12. 03:51Closer Inspection: The Devil in the Details
  13. 04:04Nailing It: Sights and Barrel
  14. 04:08Barrel Twist Rate Significance (1:16)
  15. 04:46Understanding Twist Rate
  16. 05:039mm Ammunition and Twist Rate Impact
  17. 05:09Ammunition Testing: 115gr vs. Heavier
  18. 05:34Keyholing and Tumbling Projectiles
  19. 06:04Shooting Impressions: Soft and Slippery
  20. 06:15Competition Loads and Accuracy
  21. 06:25Hollow Point Testing
  22. 06:46Barrel Swap Attempt: Glock vs. STK100
  23. 07:15Non-Direct Glock Spec Swap
  24. 07:25Stuck with 1:16 Barrel
  25. 07:29Iron Sight Issues
  26. 07:34Correcting Point of Impact
  27. 07:48Bench Rest Accuracy Test
  28. 07:58Optics Cut Analysis
  29. 08:00Rock Island Website and Optic Compatibility
  30. 08:10Manual and Optic Footprint Information
  31. 08:17Identifying the Optic Cut: Vortex Cut
  32. 08:32Vortex Cut vs. Doctor Footprint
  33. 08:41Proprietary Vortex Cut Issues
  34. 08:44Optic Fitment Problems
  35. 09:04Vortex Venom Fitment
  36. 09:37Optic Cut Security vs. Universality
  37. 09:53Doctor Footprint Preference
  38. 10:04Frame Analysis: Two-Piece Aluminum
  39. 10:13Frame Blending and Screws
  40. 10:23Grip Texture: Bogey Style
  41. 10:31Grip Texture Placement Issue
  42. 10:36Front Strap and Back Strap Importance
  43. 10:40Grip Traction Analogy
  44. 10:48Lack of Bite on Straps
  45. 10:54Slippery Grip in Texas Sun
  46. 11:04Aluminum Frame Potential for Checkering
  47. 11:17Insufficient Grip Traction
  48. 11:29Trigger and Controls
  49. 11:34Proprietary Magazine Catch
  50. 11:38Magazine Compatibility (KCI)
  51. 11:49KCI Magazine Reputation
  52. 11:57Trigger Quality and Weight
  53. 12:09Trigger Face and Break
  54. 12:20Glock-like Trigger Feel
  55. 12:27Glock Clone Expectations
  56. 12:30Aftermarket Magazine Compatibility (PMAGs)
  57. 12:42Holster Fitment
  58. 12:44Harry's Holsters and Ghost Holsters
  59. 13:15Shooting the STK100: The Bright Point
  60. 13:21Eagerly Awaiting Revision
  61. 13:31Smooth Shooting Experience
  62. 13:41Recoil Impulse and Low Bore Axis
  63. 13:51Return to Zero
  64. 13:55Grip Traction vs. Grip Geometry
  65. 14:03Accessory Compatibility (Lights)
  66. 14:12Shooting with 147gr Ammunition
  67. 14:25Comparison to Walther Q5 Match
  68. 14:34Exceptional Shooting Performance
  69. 14:37Ammunition Preference and Grip Enhancers
  70. 14:46Reliability Hiccups
  71. 14:50Round Count and Failures
  72. 14:54Failure to Extract Details
  73. 15:10Guide Rod Issue
  74. 15:13Stainless Steel Captured Guide Rod
  75. 15:17Hex Bolt Loosening
  76. 15:28Brilliant Within Parameters
  77. 15:32So Close to Brilliant
  78. 15:45Honest Assessment of Flaws
  79. 15:51Fell Just Short
  80. 15:54Hope for Future Revisions
  81. 15:58Constructive Criticism for Improvement
  82. 16:04Desired Features: Grip and Barrel
  83. 16:09Optics Cut Universality
  84. 16:22Viewer Feedback Request
  85. 16:29Conclusion and Next Video

Frequently Asked Questions

What is the main criticism of the Rock Island STK100's barrel?

The primary criticism of the Rock Island STK100's barrel is its 1:16 twist rate. This twist rate is only effective at stabilizing lighter 115-grain 9mm ammunition, leading to significant accuracy issues, keyholing, and tumbling with heavier bullet weights like 124gr and 147gr.

How does the Rock Island STK100's grip texture perform?

The STK100 features aggressive grip texturing on the sides of its aluminum frame, which provides some traction. However, it lacks texture on the front and back straps, making the pistol prone to slipping in the hand during sweaty conditions or recoil, hindering a secure grip.

Is the Rock Island STK100 compatible with Glock parts?

No, the Rock Island STK100 is not a direct Glock parts-compatible firearm. Attempts to swap a standard Glock barrel into the STK100 slide were unsuccessful, indicating that Rock Island uses proprietary dimensions that deviate from Glock specifications.

What are the shooting dynamics of the Rock Island STK100?

The STK100 is praised for its exceptionally smooth shooting dynamics, low bore axis, and excellent ergonomics. It offers a very manageable recoil impulse and returns to zero quickly, making it easy to shoot accurately and efficiently, comparable to higher-end competition pistols.

Related News

All News →

More Reviews Videos You Might Like

More from TheHumbleMarksman

View all →