
U.S. ORDINANCE M2 .50 CAL MACHINE GUN
ARMORER // OPERATOR
MAINTENANCE COURSE

COURSE DATES
2 Day Course - 2025
Henderson, NV
FEB // MAR
27th - 28th
Henderson, NV
JULY
19th - 20th
Henderson, NV
MAY
22nd - 23rd
Henderson, NV
NOVEMBER
13th - 14th
Henderson, NV

COURSE AGENDA

• Introduction of the instructor(s) and class participants and description of contents of the course
• Safety Discussion, proper safety procedures
• History of the M2HB and M3
• Loading and Unloading Procedures
• Clearing the Weapon and Making Safe
• Technical Discussion covering function and material
• Complete DS/GS level disassembly of the weapon
• Gun Parts Identification
• Ammunition available for the system ID
• Complete reassembly of the weapon
• Complete instruction for DS/GS level gaging
• Function checks
• Description of the operating components of the weapon
• Operating Instruction/Range Drills

COURSE SUBJECTS

INCLUDED COURSE TOPICS:
Safe and proper weapons handling procedures
General data and nomenclature for all M2 .50 Caliber Series Machine Guns
Variants and modifications to the M2 .50 Caliber Series Machine Guns
General and detailed disassembly of weapons and components
Identification of mismatched parts and components
ARMORER-LEVEL DISASSEMBLY
- Feed tray cover
- Bolt assembly to include extractor, ejector, and accelerator
- Buffer assembly
- Barrel Extension
- Firing Mechanism
- Receiver group
WEAPON-RELATED SPECS & TOLERANCES
- Barrel erosion
- Headspace
- Timing
- Firing pin protrusion
- Maintenance and inspection of all weapon components
- Identification and replacement of worn or broken parts
- Care, cleaning and lubrication
- Proper weapons assembly
- Performance of a proper function check
- Cycle of operation
- Malfunctions and troubleshooting, including immediate and remedial actions
During the course, you participate in range drills to reinforce classroom instruction. Instructors focus on field-expedient maintenance methods to assist you in the field and on the range. These intense drills teach you how to troubleshoot and fix a machine gun on the spot when necessary to keep it functioning.
RANGE DRILLS
- Proper loading and unloading procedures
- Zeroing procedures
- Malfunction drills
- Field-expedient maintenance
- Reloads
- Performance under stress
