Big Horn Armory "Model 90A" .454 Casull (faults & accuracy)

Published on August 12, 2022
Duration: 17:15

This review of the Big Horn Armory Model 90A lever-action rifle in .454 Casull initially highlights significant feeding issues, leading to a 'disappointing' and 'unusable' firearm. However, after the manufacturer identified and corrected a mistaken lifter part (intended for .460 S&W Magnum), the rifle's function improved dramatically. The reviewer found the rifle to be well-balanced and enjoyable to shoot, with decent accuracy using open sights, though suggesting a red dot could further enhance precision.

Quick Summary

The Big Horn Armory Model 90A rifle in .454 Casull initially suffered from feeding issues due to an incorrect lifter part meant for .460 S&W Magnum. After replacement and professional installation, the rifle functioned reliably. Accuracy with open sights at 50 yards ranged from 0.9 to 2.6 inches, with potential for improvement with optics.

Chapters

  1. 00:00Intro & Initial Impressions
  2. 01:04Ozzie Reviews Introduction
  3. 01:34What's Included in the Box
  4. 02:31.454 Casull Caliber Explained
  5. 03:21Rifle Specifications & Features
  6. 05:13Gun Case & Importer Information
  7. 05:44Initial Shooting Test & Malfunctions
  8. 07:53Review Halted Due to Unreliability
  9. 08:37Update: Lifter Replacement & Repair
  10. 09:38Post-Repair Function Test
  11. 10:17Accuracy Testing Setup
  12. 10:29Ammunition Selection for Testing
  13. 11:50Shooting & Accuracy Results
  14. 13:24Loading & Cycling Performance
  15. 14:37Final Thoughts & Conclusion

Frequently Asked Questions

What caliber is the Big Horn Armory Model 90A rifle reviewed?

The Big Horn Armory Model 90A rifle reviewed is chambered in .454 Casull. This powerful handgun caliber offers significantly more energy than a .44 Magnum, making it suitable for hunting and other demanding applications.

What were the initial problems with the Big Horn Armory Model 90A rifle?

Initially, the Big Horn Armory Model 90A rifle experienced significant feeding and cycling issues, leading to multiple jams. It was discovered that the rifle was fitted with a lifter component intended for the .460 S&W Magnum, not the .454 Casull.

How was the reliability issue with the Big Horn Armory Model 90A resolved?

The reliability issue was resolved after Big Horn Armory sent a correct lifter part and paid for a licensed armorer to install it. Following this repair, the rifle functioned smoothly without further feeding or ejection problems.

What kind of accuracy can be expected from the Big Horn Armory Model 90A with open sights?

With open sights at 50 yards, the Big Horn Armory Model 90A demonstrated varying accuracy. The best group achieved was 0.9 inches with Winchester 250-grain jacketed hollow points, while other ammunition types yielded groups around 1.3 to 2.6 inches.

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