CMMG’s Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension.
CMMG 55D590A Barrel Sub-Assembly 5.56x45mm NATO 16.10″ Stainless Bead Blasted
CMMG 55D590A Barrel Sub-Assembly 5.56x45mm NATO 16.10″ Stainless Bead Blasted Finish 416R Stainless Steel Material Midlength with Medium Taper Profile for AR-15
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Product Type | Rifle |
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Model | Barrel Sub-Assembly |
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