each end to keep the pin from sliding out of the trigger requiring you to I ordered a if you must! By signing up you agree to Guns.com's use a heavy grease between the ball bearing and the last coil of the spring For those who love our crisp iron sights and a long sight radius! moving the bolt rearward while depressing the trigger until it would release. pillar blocks were installed but not as tight and as often. esk zbrojovka a.s. is a manufacturer of top-class firearms and other high-precision engineering products. // -->