ORTHOS RAIDER S4 ELITE ALPINE | 12GA Semi-Auto

The ORTHOS Raider S4 Elite Alpine is a purpose-built 12 gauge gas-operated semi-automatic shotgun engineered for controllable recoil and fast follow-up shots. It incorporates ORTHOS proprietary recoil mitigation and adjustable ergonomics intended to help a shooter maintain sight picture across strings of fire. The platform pairs an M-LOK compatible handguard and an illuminated Fibertron front sight for straightforward target acquisition at typical shotgun engagement distances. Typical applications include precision patterning and field shooting, and competitive shotgun disciplines where fast recovery and consistent operation are priorities.

Product Specifications

• The manufacturer is ORTHOS.
• The model is listed as the Raider S4 Alpine Elite.
• The gauge is 12 gauge.
• The action is a gas operated semi-automatic system.
• The stated capacity is 6+1 (with 3 inch shells) and 7+1 (with 2 3/4 inch shells).
• The chamber specification is listed as accepting 3 inch and 2 3/4 inch shells.
• The barrel is described as constructed from 4140 full steel, smooth chrome lined (length requires verification).
• The receiver material is T6 7075 hardened aluminum.
• The handguard is M-LOK aluminum.
• The stock is a carbon fiber adjustable comb fitted with the patented SHOCK FORCE recoil system.
• The front sight is a FIBERTRON LED illuminated fiberoptic sight paired with a ghost ring rear sight.
• The shotgun includes a Benelli standard choke and a spring assist ejector.
• The charging handle is an advanced oversized design and the bolt release is a large enhanced lever.
• The overall length is listed as 40 inches with the stock collapsed and the weight is listed as 9.5 pounds.
• The UPC is 850052736798.

The Raider S4 Elite Alpine combines a recoil-reduction system, adjustable ergonomics, and M-LOK modularity for shooters who prioritize rapid recovery and consistent cycling. Its illuminated Fibertron front sight and ghost-ring rear sight support quick target acquisition in daylight and low-light conditions, while the aluminum receiver and carbon fiber stock aim to balance durability and weight. This configuration is well suited to range practice and competitive shotgun formats that demand rapid follow-up accuracy.