AK Tutorial: IMI Galil Build

(updated 04-09-2020) Magazine Catch Using ball bearings to flare the ends of the magazine catch pin. Barrel Chasing receiver threads. This is not always necessary, but if the barrel or receiver threads have a burr, it makes screwing it in difficult. 5.56mm NATO thread pitch is M21x1.5, 7.62mm NATO is M25x1.5. Chasing barrel […]