Set headspace and timing on a caliber .50 machine gun
TASK: Set headspace and timing on a caliber .50 machine gun.
TEST CONDITIONS: During daylight, given an assembled and cleared caliber .50 machine gun.
TEST STANDARDS: Correctly set the headspace and timing on the caliber .50 machine gun within eight minutes.
SOLDIER’S MANUAL CROSSWALK: This task is the same as STP 7 11BCHM14 SM TG task number 071 313 3455.
EQUIPMENT REQUIRED FOR POINT: An assembled caliber .50 machine gun (tripod mounted) with headspace and timing gauge, stopwatch, clipboard, and FB Form 20 33.2 R.
SITE SETUP: Ensure the machine gun is tripod mounted and well emplaced to prevent movement during the test.
INSTRUCTIONS TO CANDIDATES: Say to the candidates–
“Let me have your attention. At this point you must set headspace and timing on a caliber .50 machine gun within eight minutes. You will receive the necessary tools and equipment. You must perform this task without injuring yourself or damaging the equipment. Do you understand what you must do?”
If anyone has questions, repeat the instructions but do not elaborate on what you have read.
Pause five seconds and then say–
“BEGIN.”
Allow the candidate to proceed for eight minutes and then say–
“STOP”
“STOP. You now have two minutes to assemble the M9 pistol and perform a function check. You may use only the equipment found on the ground cloth beside your weapon. Place the assembled weapon on the ground cloth after you complete the assembly and function check. Do you understand what you must do?”
If anyone has questions, repeat the instructions but do not elaborate on what you have read.
Pause five seconds and then say–
“BEGIN”
Allow the candidates to proceed for two minutes and then say “STOP”
