45 GAP Ammunition was Primarily suitable for Glock and "GAP" really stands for "Glock Computerized Pistol". Engineer Ernest Durham made the 45 GAP round to be a cartridge that could be as strong as 45 ACP but would've a more robust situation head to reduce the prospect that the situation's https://tacticalrounds.com/product/1000-rounds-of-45-acp-ammo-by-speer-lawman-clean-fire-230gr-tmj/