https://thecastlearms.com/product/wilson-combat-trpc300bblca-protector-carbine-ca-compliant-300-blackout-16.25-101-black-hard-coat-anodized-magpul-moe-fixed-carbine-stock#product_detail

The CA Compliant Protector Carbines from Wilson Combat have been designed for professional level performance in a CA Compliant AR package. At the heart of every Protector is our Wilson Combat Match-Grade precision button rifled barrel, mated to a Black Nitride treated Mil-Spec bolt carrier group with MPI inspected Carpenter 158 bolt for impressive long-term reliability. The free-floating Wilson Combat M-LOK handguard has a slim, ergonomic profile that shields the black nitride finish non-adjustable gas block. Other features are a durable and low-signature Armor-Tuff coating; Wilson Combat Match-Grade, precision button rifled stainless steel barrels finished off with a TacFire muzzle brake that helps reduce felt recoil and muzzle rise; Wilson Combat exclusive 2-stage Tactical Trigger Unit for a trouble-free, superior, crisp trigger pull every time with a modular construction that simplifies takedown and cleaning after high round count training sessions; Ergonomic comfort features like the Wilson Combat Ambidextrous Safety Selector; Strike Industries Featureless Grip and Magpul MOE Fixed Carbine Stock complete this high performance package that is tailored to the needs of the well-armed Californian.