I have several AR's 5.56, 204 & 6mm & want to understand how to switch out barrels, change handguards, tools needed, etc. safely & correctly. Any suggestions on specific how-to books or info here on the forum that has been posted earlier? Thanks.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bonk1999</div><div class="ubbcode-body">Hi AR15.com has complete instruction with pictures on its website under the "Build it yourself" forum.