The Nemo Omen Recon 3.0 is an AR-style semi-automatic rifle in .300 Winchester Magnum with an 18-inch barrel and 14-round capacity. Weight is listed at 2.3 lbs. It comes with a Magpul PRS stock, Magpul MIAD grip, Cobalt Cerakote finish, and a NEMO polymer magazine. 
 

Key Specifications 

• Manufacturer: Nemo 
• Model: Omen Recon 3.0 
• Type: Modern Sporting Rifle (AR Style) 
• Caliber: .300 Win Mag 
• Barrel Length: 18 inches 
• Capacity: 14 rounds 
• Weight: 2.3 lbs 
• Condition: New in Box 
• Finish Color: Cobalt 
• Stock Type: Magpul PRS 
• Grips: Magpul MIAD 
• Accessories Included: NEMO Polymer Magazine 
   

Features 

Running .300 Win Mag in an AR-platform is the core technical challenge Nemo addresses with this design. The semi-automatic action allows follow-up shots without manually cycling, which matters at the ranges this caliber is typically used. Recoil management is a focus. Users report it handles the cartridge better than expected for an 18-inch barrel configuration. The Magpul PRS stock is adjustable for length of pull and comb height, and the MIAD grip is modular. The Cobalt Cerakote finish is corrosion-resistant and visually distinctive. 
 

Typical Uses 

Long-range precision shooting and larger game hunting are the primary applications. The .300 Win Mag caliber at 18 inches produces adequate velocity for extended range work. Sport shooters in competitions where precision at distance is scored will find this platform capable.

Owners of the Nemo Omen Recon 3.0 Cobalt consistently highlight accuracy and the recoil management system as the strongest points. The .300 Win Mag is a powerful cartridge, and the general feedback is that this rifle handles it more comfortably than competing AR-platform designs in the same caliber. Precision at range is well-regarded, and the semi-auto operation for fast follow-up shots comes up as a genuine advantage over bolt guns.

Build quality and the Magpul furniture are positively received. The Cobalt Cerakote finish gets aesthetic compliments alongside practical marks for durability.

Price is the consistent point of friction. The Omen Recon 3.0 sits at the premium end of the market, and some owners feel the value proposition is debatable given what comparable performance costs elsewhere. Customer support experiences vary. Some owners report good warranty interactions, others have had issues getting timely responses.

Customization discussions are active: optics selection, bipod mounting, and accessory compatibility are all common topics. The platform supports it, which is part of the appeal for buyers who want to build to a specific configuration.