AT-15 HD 16 Owners Manual - American Tactical Imports

REASSEMBLING YOUR RIFLE… (Continued)4.) At the back end of the Bolt, stagger the GasRing Gaps to reduce gas pressure loss.Position the three ring gaps 120° apartaround the bolt (3rd gap not seen at backside of bolt). The rings will slide around intheir groove by pushing them into positionwith a small sharp object.5.) Insert Bolt into Bolt Carrier. Twist intoposition so Cam Pin can be inserted(remember Cam Pin can only be installed inBolt from one side, so if it doesn’t fit rightaway, twist the Bolt 180° and try again).6.) Once Cam Pin is inserted, twist it 90° (thiswill allow insertion of the Firing Pin).WARNING…THE CAM PIN MUST BEINSTALLED IN THE BOLTGROUP. IF IT ISN’T, YOURRIFLE CAN STILL FIRE ANDWILL EXPLODE!PAGE 27Manufactured by Head Down Products