Home › Forums › HammerButton Forum › Rifling button for AR15, M4, M16 (5.56) This topic has 0 replies, 1 voice, and was last updated 1 year, 8 months ago by arandomamuser. Log In Register Lost Password Viewing 1 post (of 1 total) Author Posts 19.10.2024 at 11:11 #2768 arandomamuserParticipant Hello. Is there a rifling button available for 5.56? This is the round used my AR15, M4, M16. If yes, which one is the one? Thanks Author Posts Log In Register Lost Password Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In