Caliber: .223 Wylde chamber for 5.56 NATO or .223 Rem., .224 Valkyrie, .300 AAC, 7.62x39mm. Modular build; user selects options on almost all components. Barrel: 16” (standard) or 18”, light, medium, fluted contours, 1:8” twist. 1:10” twist on 7.62x39mm, stainless and black-nitride finishes. Upper/Lower Receivers: 7075-T6511 BDRx-15 billet receiver matched set, skeletonized. Weight: 8 lbs. Introduced 2019. 60-degree beveled magwell. SEE POLITICAL PANIC PRICING.