The SIG SAUER MCX-Spear LT Upper in black is a premium accessory-uppers complete with a 16" upper assembly. Compatible with MCX, M400 & 516 as well as any MIL-SPEC AR-15/M4, this accessory kit is aimed at enhancing your firearm's efficiency and reliability.
Specs
| Model No. | SIUAMCX55616BLB |
| Model | MCX-Spear LT Upper/Conv. Kit |
| Manufacturer | SIG SAUER |
| Illuminated | No |
| Caliber | 223 Rem | 5.56 NATO |
| Weight | 6.0 |
