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This complete kit will convert any Mil-Spec AR-15/M4 lower into the top-preforming MCX-Spear LT.
Included Items:
- Complete 16" 5.56 NATO upper assembly includes Sig Sauer's removable 3-prong flash hider ready to accept Sig's SLH & SLX suppressor systems
- Receiver extension delete stock adapter so you may mount any folding or static stock or brace which uses a vertical 1913 Picatinny rail system
- Thread Pitch of 1/2x28
Compatible with the following lowers:
- MCX
- M400
- 516
- Any Mil-Spec AR-15/M4
Manufacturer | SIG SAUER INC |
Model | MCX-Spear LT Upper/Conv. Kit |
UPC | 798681682546 |
SKU | UAMCX-556N-16B-LT-BLK |
Weight | 6.0000 |