M16 rifle Summary Summary

| Colt_model_no_ | Military_designation | Barrel_Length | Barrel | Handguard_type | Buttstock_type | Pistol_grip_type | Lower_receiver_type | Upper_receiver_type | Rear_sight_type | Front_sight_type | Muzzle_device | Forward_assist | Case_deflector | Bayonet_lug | Trigger_pack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 601 | AR-15 | 20 in (508mm) | A1 profile (1:14 twist) | Green or brown full-length triangular | Green or brown fixed A1 | A1 | A1 | A1 | A1 | A1 | Duckbill flash suppressor | No | No | Yes | Safe-Semi-Auto |
| 602 | AR-15 or XM16 | 20 in (508mm) | A1 profile (1:12 twist) | Full-length triangular | Fixed A1 | A1 | A1 | A1 | A1 | A1 | Duckbill or three-prong flash suppressor | No | No | Yes | Safe-Semi-Auto |
| 603 | XM16E1 | 20 in (508mm) | A1 profile (1:12 twist) | Full-length triangular | Fixed A1 | A1 | A1 | A1 | A1 | A1 | Three-prong or M16A1 birdcage flash suppressor | Yes | No | Yes | Safe-Semi-Auto |