MCX-SPEAR LT 9" UPPER 300BLK FDE
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Product Overview
Sig Sauer MCX-Spear LT, Complete Upper Receiver, 300 Blackout, 9" Threaded Barrel, 5/8X24 Thread Pitch, Fits AR-15 Lower Receivers, Anodized Finish, Flat Dark Earth, Includes Charging Handle and Bolt Carrier Group, 3-Prong/SIG Suppressor QD Muzzle Device UAMCX-300B-9B-LT-IR