Dimensional consistency and square hammer hooks are provided by precise manufacturing techniques. Hammers are cut on a wire EDM from heat-treated A-2 tool steel. The hook profile will require no stoning or polishing. Paired with a high-quality sear, the trigger pull will be in the neighborhood of 3.5 to 4 pounds. Competitive shooters that have pistol trigger work experience should be able to tune this number lower.
The Classic Spur-style hammer is a direct replacement for the original Colt spur hammer. The strut pin hole locations were taken from a 1968 Colt National Match pistol, and the captive half cock notch is the same as Mk IV Series 70 Colt pistols. The Classic Spur-style hammer can be used with Series 80 pistols also.
The Commander-style hammer has the same hammer hook and strut pin hole locations as the Classic hammer, which makes sense since they were taken from the same vintage 1968 Colt pistol.
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