Does anyone no what the thread is on a hw breech bolt? I think its m7x0.5 or m7 x 0.75 but i could be wrong thanks.
Does anyone no what the thread is on a hw breech bolt? I think its m7x0.5 or m7 x 0.75 but i could be wrong thanks.
Last edited by mattyw1987; 25-10-2017 at 09:45 PM.