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105 WEAPONS FUNDAMENTALS

105 WEAPONS FUNDAMENTALS. Weapons Fundamentals. References : NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1 FM 23-27-MK-19, 40mm Grenade Machine Gun, Mod.3 NAVEDTRA 12004, Seabee Combat Handbook, Vol. 2 NAVFAC P-315, Naval Construction Force Manual. Weapons Fundamentals. FM 23-99, Mortars

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105 WEAPONS FUNDAMENTALS

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  1. 105 WEAPONS FUNDAMENTALS

  2. Weapons Fundamentals • References: • NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1 • FM 23-27-MK-19, 40mm Grenade Machine Gun, Mod.3 • NAVEDTRA 12004, Seabee Combat Handbook, Vol. 2 • NAVFAC P-315, Naval Construction Force Manual

  3. Weapons Fundamentals • FM 23-99, Mortars • NAVEDTRA 12443, Gunners Mate • FM 23-0, M16A1 and M16A2 Rifle Marksmanship • TM-5855-214-10, Night Vision Sight, Crew Served Weapons • TM-11-5855-213-23&P, Night Vision Sight, Individual Weapon

  4. Weapons Fundamentals • TM-SW215-AK-MNO-010, Night Vision Sight, Individual Goggles • NAVSEA OP 4067, Operators Manual for AN/VPS-11, Pocket Scope Night Vision Device

  5. Overview • M60 Machine Gun • 40mm Machine Gun • .50 Caliber M2 Machine Gun • 60mm Mortar

  6. Overview • 40mm M203 Grenade Launcher • 12-Gauge Shotgun • M16 Rifle • Hand Grenades

  7. Overview • M8A1 Claymore Mine • 84mm AT4 • Range Cards • Early Warning Devices

  8. Overview • NMCB Weapons Systems • Various rates of Fire • Various class of Fire • Night Vision Equipment

  9. Weapons Fundamentals • PQS Question 104.1 Describe the 7.62mm M60 machine gun. • Reference: NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1.

  10. M60 Machine Gun

  11. M60 Machine Gun • Air-cooled • Belt-fed • Gas-operated • Automatic weapon • Fixed headspace • Fires from open bolt Position • Crew served

  12. Weapons Fundamentals • PQS Question 104.2 Describe loading/unloading procedures for the M60 Machine Gun • Reference: NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1.

  13. M60 Machine GunLoading • Point weapon down range • Place safety in the “F” (fire) position • Use cocking handle to pull the bolt to the rear • When the sear holds bolt rearward, return cocking handle forward and place the safety in the “S” (safe) position

  14. M60 Machine GunLoading • Raise the cover and ensure the feed tray, receiver and chamber are clear • Place the first round in the feed tray groove and close the cover, making sure the round stays in the groove • Move safety to “F” • The weapon is now ready to fire

  15. M60 Machine GunUn-Loading • Point weapon down range • Move safety to “F” (fire) position • Pull charging handle rearward to lock the bolt to the rear, then return the charging handle forward • Place the safety in the “S” (safe) position (cont)

  16. M60 Machine GunUn-Loading • Raise the cover and remove the belt and rounds from the tray. • Ensure that chamber and face of bolt are clear • Lower feed tray and close cover • CAUTION- DO NOT ALLOW BOLT TO SLAM FORWARD ON EMPTY CHAMBER

  17. Weapons Fundamentals • PQS Question 104.3 State the following capabilities/characteristics of the M60 Machine Gun. • Length • Weight • Maximum Range • Maximum Effective Range

  18. Weapons Fundamentals • Safeties • Ammunition • Rates of Fire • Types of Fire • Types of mounting pods • Reference: NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1.

  19. M60 Machine Gun • Length: 42.4 Inches • Weight 18.5 lbs • Maximum Range: 3725 meters • Maximum Effective Range: 1100 meters

  20. M60 Machine Gun • Safeties • Safety lever on left side of trigger housing • The bolt cannot be pulled rearward or released to go forward while on safe.

  21. M60 Machine Gun • Ammunition Types • 7.62 Ball 7.62 Tracer • 7.62 Armor piercing • 7.62 Blank 7.62 Dummy

  22. M60 Machine Gun • Rates of Fire • Sustained - 100 rnds/minute • Rapid - 200 rnds/minute • Cyclic - 550-600 rnds/minute

  23. M60 Machine GunTypes of Fire • Grazing Fire - Not less than 1m above and no higher than 68 inches above the ground. Can exist for 700m over level or evenly sloping ground. • Plunging Fire that strikes the ground from above at a considerable level. Beaten zone is considered the danger space.

  24. M60 Machine GunTypes of Fire • OverheadFire delivered over the heads of troops. Usually plunging fire.

  25. M60 Machine GunMounting Pods • Integral Bipod Part of the barrel group Provides effective firing platform • M122 Tripod Stable and durable mount Provides for greater accuracy Includes a traversing and elevating mechanism and the pintle and platform group

  26. Weapons Fundamentals • PQS Question 104.4 Name the three types of emplacements that might be employed in a defensive position. • Reference: NAVEDTRA 12004, Seabee Combat Handbook, Vol. 2

  27. M60 Emplacements • Employedas a squad (sqdldr & 2-4 person gun tms) • Support the rifleman in offense & defense • Provide heavy volumes of controlled, accurate and continuous fire • Engage predetermined targets in all visibility conditions • Provide long range, close defensive and final protective fires • Basis for FPF’s in the defensive fire plan

  28. M60 Emplacements • Cover likely avenues of approach • Provide grazing fire • Assigned to each gun • Normally does not exceed 800 mils right to left (45 degrees) • Adjacent Machine gun squad sectors should overlap.

  29. M60 Emplacements • Initial Fire Command - The units leaders means of controlling the fires of his unit. A way of telling you what weapon, where, at what, how far, when to commence firing. • Remembered by the acronym ADDRAC

  30. Employment--ADDRAC • ALERT - The first element, alerts you that a command is coming. • DIRECTION - Directs your attention in a direction or to the target. Can be skipped if the target is singular and obvious. • DESCRIPTION- A description of the target or targets in short accurate words. Can combine a reference point in this element as well.

  31. Employment--ADDRAC • RANGE - The estimated range of the target to be engaged. • ASSIGNMENT/METHOD - Only used if the need to assign different sectors of fire exists or to indicate a method of engagement. • CONTROL/COMMAND - Used to tell you when to start placing fire on the target.

  32. Employment • Final Protective Fire (FPF) - Defensive fire designed to break up the enemy’s assault under any condition of visibility. • A prearranged barrier of fire laid down just in front of the defense. • Also planned to destroy or limit enemy penetrations into the defense. • Fired on verbal command or predetermined signal.

  33. Employment • Final Protective Lines (FPL) - • Predetermined line of fire to obtain the maximum grazing fire from the weapon. • Used in terrain that has short ridges, draws and irregular slopes.

  34. Employment • Characterized by: • Flanking Fire: Provides effective frontal coverage • Interlocking: Reduces number of gaps & provides mutual support • Grazing: Bullet does not rise above avg ht of person. Flat or even slope 700m max.

  35. Employment • Principle Direction of Fire (PDF) - • Used when terrain does not allow for effective FPL. • Used to cover dangerous avenues of approach. • May fall within the sector of fire or compromise either boundary.

  36. Weapons Fundamentals • PQS Question 104.5 Name the members of a gun team and state what they are responsible for carrying into a combat situation. • Reference: NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1.

  37. M60 Gun Team Team Leader Gunner Ammo 1 Ammo 2

  38. M60 Gun Team • Team Leader - Usually A PO2, responsible for effective employment of the gun. • Responsible for changing the barrels during firing. • Carries spare barrel kit, M122 tripod, one bandoleer of ammo and armed with a 9mm pistol.

  39. M60 Gun Team • Gunner - Usually a PO3. Actually fires and maintains the gun. • Carries the gun, one bandoleer of ammo and armed with a 9mm pistol.

  40. M60 Gun Team • Ammo 1 - Usually a CN, acts as the supply person for the team. • Carries one box of ammo, spare barrel case with T&E. Armed with an M16. • Ammo 2 - Usually a CA. • Carries two boxes of ammo. Armed with an M16.

  41. Weapons Fundamentals • PQS Question 104.6 Describe how tracer rounds are used. • Reference: NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1.

  42. M60 Tracer Rounds • Observation of fire, • Incendiary effects, • Signaling, • Training.

  43. Weapons Fundamentals • PQS Question 104.7 Describe the 40mm Machine Gun • Reference: NAVEDTRA 12003, Seabee Combat Handbook, Vol. 1.

  44. 40 mm Machine Gun

  45. 40 mm Machine Gun • Air-cooled • Belt-fed • Blow back operated • Automatic weapon • Fires from open bolt position • Crew served

  46. Weapons Fundamentals • PQS Question 104.8 Describe loading/unloading procedures for the 40mm Machine Gun • Reference: FM 23-27-MK-19, 40mm Grenade machine Gun, Mod. 3

  47. 40mm Machine GunLoading • Keep the weapon down range • Make sure the bolt is forward. If not take the weapon off safe and ease the charging handles forward. • Open the cover • Insert the first round through the feed throat

  48. 40mm Machine GunLoading • Insert the first round through the feed throat • Place the first round into the feeder. Female link first. • Push the round across the first pawl • Move the slide assembly to the left

  49. 40mm Machine GunLoading • Close the cover • Unlock and grasp the charging handles and charge weapon

  50. 40mm Machine GunUn-Loading • Place weapon on safe • Open cover • Remove remaining rounds and inspect chamber • Once clear, close cover

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