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Sig Sauer MCX .300 BLK conversion upper receiver for AR-15 lowers. 9-inch M-LOK upper with tapered lug designed to mate an MCX upper to AR-15 lower receivers in .300 Blackout.
Specifications
- Manufacturer:
- Sig Sauer
- Category:
- upper-receiver
- Platforms:
- AR-15
- UPC:
- 798681579624
- MPN:
- UAMCX-9B-300B-TAP
- Required Component:
- Yes
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