The Horizon Firearms Core RF099L221814T24 is a bolt-action rifle chambered in 22 Creedmoor, built with an 18-inch spiral-fluted, threaded stainless steel barrel. It pairs a stainless steel receiver with a lightweight exposed carbon fiber Iota EKO stock that adds dual thumb detents for grip. 
 

Key Specifications 

• Brand: Horizon Firearms 
• Model: Core 
• Caliber: 22 Creedmoor 
• Action: Bolt Action 
• Capacity: 5+1 
• Barrel Length: 18 inches 
• Receiver: Stainless Steel 
• Stock Material: Carbon Fiber 
   

Detailed Features 

• Spiral-fluted, threaded stainless steel barrel cuts weight and accepts muzzle devices 
• Exposed carbon fiber Iota EKO stock with dual thumb detents to aid grip and reduce torque on the rifle 
• Stainless steel receiver for corrosion resistance 
• 5+1 capacity configuration built around a bolt-action platform 
   
  The combination of a fluted barrel and carbon stock keeps the overall weight down, which matters for shooters who carry the rifle over long distances between shots rather than shooting from a fixed bench.

Horizon Firearms has built a reputation among precision rifle shooters as a boutique maker that pays close attention to fit and accuracy potential, and the Core line carries that reputation forward. Owners of bolt guns like this generally comment on tight tolerances and consistent bolt lift, though a rifle built to this level of finish invites closer scrutiny than a mass-market bolt gun, so small fit issues get noticed and discussed more than they would on a cheaper rifle.

The carbon fiber stock is the feature most owners bring up first. It shaves noticeable weight off the rifle compared to a traditional composite or wood stock, which is appreciated by hunters who carry a rifle for hours in the field. The dual thumb detents on the Iota EKO stock get praise for helping control torque during recoil, though a few shooters find the ergonomics take some adjustment if they are used to a more conventional stock profile.

On value, a Core rifle sits at a premium price point relative to factory bolt guns, which owners generally justify by pointing to the carbon fiber construction and the fluted barrel work. 22 Creedmoor is a comparatively newer chambering, so factory ammunition selection is narrower than mainstream calibers, and a number of owners end up handloading to get the most out of the barrel.