When installing a new 1911 trigger chances are the trigger pad is oversized and won’t fit through the opening. That is by design to eliminate

The standard GI 1911 frame can support both GI and Beavertail grip safeties. Depending on the style of 1911 your building. When using a Beavertail grip

All 1911’s need the thumb safety fit. The sear block needs to be trimmed down on a new install. First test fit the thumb safety into

The standard 1911 GI frame can support both GI and Beavertail grip safeties. The original design was just a grip safety. To add some control and

The barrel seat is critical for caliber choice. The 1911 was released in 45 acp and the feed ramp is the front of the magwell