57 inches”. So I took a caliber to my BCGs and all measured 1.57 inches. So I acquired to serious about that and made a decision to file down the trigger lock bar ever so a bit. Now I'm able to put the gun with each other! I did drill https://frt-trigger24567.ampedpages.com/the-single-best-strategy-to-use-for-rare-breed-frt-63944247