| Weight | US CUSTOMARY | METRIC |
|---|---|---|
| Rifle M16A2, without magazine and sling | 7.2 lb | 3.40 kg |
| Sling; adjustable | 4 oz | 0.11 kg |
| Empty magazine | 4 oz | 0.11 kg |
| Loaded magazine | 1 lb 1 oz/td> | 0.46 kg |
| Rifle M16A2 w/sling and loaded magazine | 8.75 lb | 3.97 kg |
| Bayonet-Knife M7 | 10.5 oz | 0.30 kg |
| Scabbard M10 | 5 oz | 0.14 kg |
| Length | ||
| Rifle with compensator | 39.625 in | 100.65 cm |
| Barrel | 20 in | 50.8 cm |
| Barrel with compensator | 21 in | 53.34 cm |
| Mechanical features | ||
| Rifling | right-hand twist 6 grooves 1:7 | |
| Method of operation | direct gas | |
| Type of breach mechanism | rotating bolt | |
| Method of feeding | magazine | |
| Cooling | air | |
| Trigger pull | 5.5 to 9.5 lb | 2.49 to 4.31 kg |
| Ammunition | ||
| Caliber | .223 | 5.56 mm |
| Type | ball,blank,dummy,tracer | |
| Firing characteristics | ||
| Muzzle velocity (approx) | 3,100 fps | 94,488 cmps |
| Muzzle engergy | 1,322 ft-lb | 1,785 N-m |
| Chamber pressure | 52,000 psi | 358,540 kPa |
| Cyclic rate of fire (approx) | 800 rds/m | |
| Maximum rate of fire | ||
| Semiautomatic | 45 rds/m | |
| Burst | 90 rds/m | |
| Sustained rate of fire | 12/15 rds/m | |
| Maximum range | 3,938 yds | 3,600 meters |
| Maximum effective range | ||
| Individual point targets | 602 yds | 550 meters |
| Area targets | 875 yds | 800 meters |
| Download File | Size | Pages | Description |
|---|---|---|---|
 FM 23-9 |
2.8MB PDF | 305 | Combat Training with the M16 |
| TM 9-1005-319-10 |
3MB PDF | 176 | Operators Manual w/Components List M16A2, M4, M4A1 |
| TO 11W3-5-5-24 |
13.8MB PDF | 232 | Air Force Operators Manual w/Components List M16A2 |
| TM 05538C-23&P/2 |
4MB PDF | 232 | M16A2 Organizational and Intermediate Maintenance Manual |
| TM 9-1005-319-23 |
2.6MB PDF | 325 | Unit And Support Maintenance Manual M16A2, M4, M4A1 |
| TM 43-0001-27 |
1.6MB PDF | 325 | Army Ammunition Data Sheets Small Arms Ammunition |
| MIL-R-6399B (AR) |
3.2MB PDF | 60 | Military Specification Rifle, 5.56mm: M16A2 |
| MIL-C-70599A (AR) |
368KB PDF | 56 | Military Specification Carbine, 5.56mm: M4, Addendum 1 |
| MIL-C-71186 (AR) |
2.2MB PDF | 58 | Military Specification Carbine, 5.56mm: M4A1, Addendum 1 |
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