The Sig MCX-Spear LT IR rifle built upon the legacy of its predecessor, the MCX Virtus. Features fully ambi controls; folding brace w/push-button hinge; reduced IR Signature Gen II NIR; interchangeability with all MCX LT barrels and handguards and Sig suppressor ready QD slash hider.
| Barrel Length | 11.50" |
| Barrel Length Range | 11" to 11.99" |
| FireArm | yes |
| Action | Semi-Auto |
| Weight Range | 6 lbs to 6.99 lbs |
| Stock Finish Group | Brown |
| Muzzle | QD Flash Hider |
| Stock Description | Folding Brace w/Push Button Hinge |
| Trigger | Flat Blade Match |
| Weight | 6.68 lbs |
| Hand | Ambidextrous |
| Receiver Material | Alloy Steel |
| Sights | None |
| Twist | 1:7" |
| Safety | Ambidextrous Lever |
| Barrel Description | Steel Threaded |
| Caliber | 5.56 NATO |
| OAL | 29.75" |
| Capacity | 10+1 |
