MCX-SPEAR LT UPPER 5.56MM 16"
| Barrel | 16" |
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| Finish | Black |
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| Caliber | 223 Rem | 5.56 NATO |
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| Nfa Thread Pattern | 1/2x28 |
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| Additional Feature 1 | Complete 16" Upper Assembly |
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| Additional Feature 2 | Compatible w/MCX, M400 & 516 |
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| Additional Feature 3 | Compat w/any MIL-SPEC AR-15/M4 |
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Determined at checkout.
