CMMG’s Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension.
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Ballistic Advantage BABL223017PL Premium Series 223 Wylde 16″ Stainless Bead Blasted Finish 416R Stainless Steel Material Midlength SPR Profile with Fluting for AR-15
$237.50
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