- What is the FM that covers the M60?
. . . FM 3-22.68.
- What is the weight of the M60?
. . . 23 lbs.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 49)
- What is the maximum effective range of the M60?
. . . 1,100 meters with tripod and traversing and elevating mechanism (T&E).
(FM 3-22.68 Jan 2003 / 2-1 / PDF 49)
- What feature of the M60 allows the user to change the barrels rapidly?
. . . A fixed head space.
- What are the sustained, rapid and cyclic rates of fire for the M60?
. . . • Sustained rate — 100 rounds per minute.
• Rapid rate — 200 rounds per minute.
• Cyclic rate — 550 rounds per minute.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 50)
- What is the most effective rate of fire for the M60?
. . . 6–9 round bursts with 4–5 seconds between bursts.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 49)
- What is the tracer burnout range for the M60?
. . . 900 meters.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 49)
- What is grazing fire?
. . . Horizontal fire in the vicinity of the knee to the waist high area on the enemy.
- What is the maximum range of grazing fire for the M60 over level or uniformly sloped terrain?
. . . 600 meters.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 49)
- What is always the Number 1 target on an M60 range card?
. . . The FPL (Final Protective Line).
- What are the 5 types of ammunition used with the M60?
. . . 1. M80 — Ball.
2. M62 — Tracer.
3. M61 — Armor piercing.
4. M63 — Dummy.
5. M82 — Blank.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 49)
- What weapon is scheduled to replace the M60 machine gun?
. . . The M240B.
- Describe the M60.
. . . The M60 is a gas-operated, air-cooled, belt-fed, automatic machine gun that fires from the open-bolt position.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 48)
- The M60 is fired with the bolt in what position?
. . . The open bolt position.
- How often should the barrel be changed on the M60?
. . . • Sustained rate — every 10 minutes.
• Rapid rate — every 2 minutes.
• Cyclic rate — every minute.
(FM 3-22.68 Jan 2003 / 2-1 / PDF 50)
- Name 2 common malfunctions of the M60.
. . . 1. Sluggish operation.
2. Runaway gun.
- What should you do if you have a “runaway gun” with the M60 Machine Gun?
. . . Break the belt.
- How many barrels are issued with the M60?
. . . 2 barrels.
- What are the proper procedures to clear the M60 Machine Gun?
. . . 1. Move the safety lever to the “F” position.
2. With his right hand, palm up, pulls the cocking handle in the rear. Moves the safety lever to the “S” position. Return and locks the cocking handle in the forward position.
3. Raise the cover and conducts the four-point safety check for brass, links, or ammunition.
• Check the feed pawl assembly under the cover.
• Check the feed tray. Lifts the feed tray and hanger assembly and inspects the chamber.
• Check the space between the face of the bolt and the chamber.
4. Close the cover and moves the safety lever to the “F” position. Pulls the cocking handle to the rear position. Pulls the trigger and at the same time eases the bolt forward by manually riding the cocking handle forward.
5. Place the safety lever on “S” and raises the cover. (If not disassembling the gun, keep the cover down.)
(FM 3-22.68 Jan 2003 / 2-5 / PDF 56)
- How do you perform a function check on the M60?
. . . 1. Open the cover and pull the cocking handle to the rear.
2. Place the safety on “S” position.
3. Return the cocking handle to the forward position.
4. Close the feed tray cover.
5. Place the safety on “F” position.
6. Grasp the cocking handle with the right hand, pull the trigger with the left hand, and ease the bolt forward.
(FM 3-22.68 Jan 2003 / 2-10 / PDF 68)
