Lower Receiver

Lower Receiver: Colt A2 Profile Lower
Stocks: LMT Sopmod Gen I, Magpul CTR
Grip: Standard A2, Ergo
Trigger: Knights Armament 2 Stage, Geissele SSA/SSA-E
Trigger Guard: GI

Upper Receiver

Upper Receiver: Colt AF or Keyhole (potentially others)
Barrel: Lilja 15.1” 1/7 Twist Stainless Steel carbine(?) gas system w/ Ops Inc Profile, Lilja 16” 1/7 Twist Stainless Steel carbine gas system (previously thought to be midlength but unable to verify, carbine length has been verified at least on the non ops builds)
Gas Block: Badger Ordinance Mk12 gas block, Daniel Defense Mk12 Gas Block
Muzzle Device: Ops Inc/Allen Engineering Muzzle Brake w/ Long Collar, BE Meyers 249F
Hand Guard: Knights Armament FF RAS Long, Knights Armament FF RAS Medium
Bolt Carrier Group: Colt
Charging Handle: PRI Gas Buster Military Latch
Rear Sight: Knights Armament Full Size (Big Knob) 200-600m, none
Front Sight: Knights Full Size Front Sight Black, none
Optic: Nightforce NXS 2.5-10x24, Leupold Mk 4 4.5-14x40 LR/T Target Turrets
Scope Mount: Nightforce A107 Rings, Knights Armament scope rings
Laser: Peq2a, Peq15, LA5
Suppressor: Ops Inc 12th/Allen Engineering AEM5 w/ Knurling, none
Bipod: Harris Engineering BRM-S w/ Knights Armament Bipod Mount and KWM Pod-Loc, Grip Pod GPS.02