The Sig MCX-SPEAR-LT rifle features a lightened handguard, offering enhanced maneuverability without sacrificing durability; ambidextrous controls; lightweight ergonomic handguard; SIG Flat blade Match trigger and interchangeable barrels. Includes Rocksett SIG QD Suppressor-Ready Flash Hider.
| Trigger | Two-Stage Matchlite Duo |
| FireArm | yes |
| Action | Semi-Auto |
| Barrel Description | Threaded |
| Hand | Ambidextrous |
| Stock Finish Group | Black |
| Barrel Length | 16" |
| Twist | 1:7" |
| Barrel Length Range | 16" to 16.99" |
| OAL | 32.50"-34.30" |
| Muzzle | Rocksett SIG QD Flash Hider |
| Stock Description | Minimalist Plus Folding |
| Capacity | 30+1 |
| Receiver Material | Alloy |
| Weight | 7.40 lbs |
| Caliber | 5.56 NATO |
