https://cobaltkinetics.com/product/ck-spr-series-18-223-wylde/
CK-SPR series 18" 5.56 NATO | Cobalt Kinetics
Upper: 7075 T6 Billet Lower: 7075 T6 Billet Handguard: 6061, Semi-Monolithic, M-Lok (7-sided) Barrel: 416R Match Grade precision barrel (Rifle length gas)...
spr seriescknatocobaltkinetics