The Warrior Systems California Compliant WSM-15 is a precision-machined fixed magazine 5.56mm rifle built in-house with CNC-machined billet upper and lower receivers designed for match-grade fit and finish. It features a 16” 4150 chrome moly barrel with a black nitride finish and 1:8 twist rate for durability and versatile performance, paired with a WSM 10” M-LOK free float handguard for lightweight strength and accessory mounting. Shooter-focused enhancements include a flared mag well for faster reloads, a threaded bolt catch roll pin for easier maintenance, and an integrated large-opening winter-style trigger guard. Outfitted with a B5 Bravo six-position collapsible stock and B5 P23 pistol grip for improved ergonomics and control, the rifle is available in 4 different color finish options for enhanced durability and corrosion resistance, comes with a WSM mock suppressor installed, a color matched 10-round drum magazine, and a discreet carry case.