California compliance
- Status: Sold in California in a compliant configuration.
- Configuration: Fixed stock. The adjustable stock is fixed in place so it cannot be collapsed or adjusted. Installed at our Yuma warehouse before it ships.
- Good to know: Product images may show the factory configuration. Capacity is limited to 10 rounds.
- Learn more: California compliance guide
About this shotgun
The Orthos Arms Raider S4 is a gas-operated semi-automatic 12 gauge shotgun with an 18.5 in smooth-bore, chrome-lined 4140 steel barrel. It has a 3 in chamber and a magazine tube that holds 6+1 3 in shells or 7+1 2 3/4 in shells. The finish is FDE Cerakote over a 7075 aluminum receiver. It has a ghost ring rear sight with an LED fiber optic front sight, an M-LOK aluminum handguard, and a top Picatinny rail.
Manufacturer details
The Raider S4 uses the Orthos Arms SHOCK FORCE recoil system in an adjustable stock with an adjustable cheek pad. Furniture is made with Black River Manufacturing. Other features include an enlarged charging handle, an enlarged bolt release and safety, a spring-assist ejector, an advanced trigger, front and rear sling mounts, and an angled three-piece modular vertical grip with M-LOK rail. Included: combat sling, magazine tube, Breacher choke tube, and owner's manual.
Specifications
- Caliber: 12ga
- Action: Semi-Automatic
- Chamber: 3 in
- Barrel: 18.5 in
- Choke: Interchangeable
- Color: FDE
- Stock: Adjustable
- Sights: Ghost Ring
- Weight: 9.5 lbs
- Overall Length: 40 in (stock collapsed)
- CA Compliance: Fixed Stock
- UPC: 850039520594
Buying from WBT Guns
- Delivery: Free pickup at our La Mesa store, or ship to any California FFL you choose. Select your FFL at checkout.
- Compliance guarantee: Your firearm leaves our shop in the configuration described on this page and is function-checked before it ships.
- Payment: Pay in full, 50% down with the balance due in 14 days, or finance with Credova.
- Paperwork: California requires a Firearm Safety Certificate, DROS and a 10-day wait. Your dealer handles this at pickup.
- Questions: (619) 667-9453, sales@wbtguns.com, or see our FAQ.
WBT Guns is family-owned in La Mesa, California, and has configured firearms for California buyers since 2012.
A note on accuracy. We work hard to keep every listing correct, but specifications, images and compliance details come from many sources and can contain errors or change without notice. Images may show a configuration that is not California-legal. If a detail on this page matters to your decision, call us and we will confirm it against the actual firearm before you order. The compliance information here is general in nature and is not legal advice; California and local laws change, and the configuration described is confirmed at the time of sale. All sales are subject to applicable federal, state and local law and to the buyer's eligibility to purchase.