Calibers: .308 Win. Barrels: 18 in. Xanthos Lite fully assembled rifle is Cerakoted in Cobalt Grey and weighs in at 6.75 lbs. Introduced 2020. Key features include Straight Cut Xanthos Lite rail, tension lock design for attachment with an M-LOK mounting solution. Titanium parts include gas block, takedown pins, and X4 brake. Lower receiver is CNC machined 7075-T6 billet with flared mag-well, type III class 2 anodized finish, rear tensioning screw, rear takedown spring retainer, and screw-in bolt catch pin. Upper receiver has retained port door rod, M4-style feed ramps, machined T numbers in Picatinny rail. Bolt and carrier (full mass) are 8620 machined body with QPQ process, 9310 machined bolt, cryogenically treated, MPT, QPQ process. Barrel is a lightweight contour .308 profile, 4150 gun barrel steel with QPQ Nitride, black oxide extension, rifle-length gas system, .308 Match chamber, 1 in 10 twist. Other features: .750 diameter titanium gas block; titanium .308 X4 brake; BCM MOD 0 grip, BCM SOPMOD stock; Timney 2-stage, flat trigger; through-drilled titanium takedown pins.