Heizer Firearms decided to update the much talked about pistol and that caused delay in production. Changes made are,
Revision 8 Production Model Improvements and Enhancements:
- Front and rear low profile no snag sights
- Melanite finish on stainless steel barrel assemblies Rockwell 65
- Mil-Std CeraKote finish on Titanium frames and Hard Anodizing on Aluminum
- Lanyard pin on rear of grip
- Serrations on the trap door compartment
- A stronger needle bearing instead of ball bearing in the double action trigger system
- A channel machined into the spare round compartment to secure rounds
- Squared off the front of the 1911 style trigger for better ergonomics
- Enlarged the HD pattern on the integral grips for more texture
- Enlarged the rear palm swell area of the frame to reduce recoil climb
- Simplified the ejector system for reliability
- Engineered a “safe” hammer position to enhance safety
From: Shooting Illustrated