Primary Weapons M116UA011F MK1 Mod 1-M Upper 223 Wylde 16.10 in Chrome-Lined 4140 Steel Barrel w/Removeable Muzzle Device, 7075-T6 Anodized Aluminum Receiver, 15.05 in M-LOK Handguard For AR-15

Primary Weapons 18-M116UB0B MK1 Mod 1-M Upper 300 Blackout 16.10 in Black Barrel, 7075-T6 Aluminum Black Anodized Receiver, 15.05 in M-LOK Handguard for AR-15

Primary Weapons 2M111UA011F MK1 Mod2-M Upper 223 Wylde 11.85 in Black Barrel, 7075-T6 Aluminum Black Receiver, 11 in PWS PicLok (M-Lok Or Picatinny) Handguard For AR-15

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Primary Weapons 19M218UC0B MK2 Mod 1-M Upper 7.62x51mm NATO 18 in Black Barrel, 7075-T6 Aluminum Black Receiver, 15.20 in M-LOK Handguard for AR-15