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NBS Slick Side Billet Receiver & M-LOK Handguard Combo
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Anderson Upper Combo Kit w/ APOC Black Nitride BCG
Aero Precision Upper Combo Kit w/ APOC Armory Nickel Boron BCG & Strike Ext. Latch CH
Aero Precision M5E1 Upper Receiver and 15″ M-LOK Handguard Combo Gen 2 – Anodized Black
