The Nosler Model 21 is a bolt-action rifle chambered in .28 Nosler, with a 24-inch barrel, 44.5-inch overall length, 3+1 capacity, and 7.10 lb weight. The finish is Tactical Grey. It's built around a Shilen match barrel and TriggerTech trigger for hunters and long-range shooters who want factory-level accuracy without custom shop work. 
 

Key Specifications 

• Caliber: .28 Nosler 
• Barrel Length: 24 inches 
• Capacity: 3+1 rounds 
• Weight: 7.10 lbs 
• Overall Length: 44.5 inches 
• Action Type: Bolt Action 
• Trigger Type: TriggerTech Field Model Trigger 
• Safety Mechanism: Lever safety 
• Stock Material: All-weather Epoxy 
• Finish Color: Tactical Grey 
   

Detailed Features 

1. Shilen Match Barrel: A third-party match-grade barrel known for tight bore tolerances, which contributes to consistent accuracy across a wide range of loads. 
    
2. TriggerTech Frictionless Release Trigger: Clean break, minimal overtravel, and predictable reset. Most shooters find it competition-capable without modifications. 
    
3. Self-Indexing Recoil Lug: Stainless steel construction maintains action alignment in the stock under repeated firing. 
    
4. Integrated Optics Base: Built into the receiver, so mounting a scope doesn't require a separate rail. 
    

Usage Scenarios 

• Big game hunting: The .28 Nosler's flat trajectory and energy retention at distance work well for elk and mule deer in open country. 
• Long-range target shooting: The Shilen barrel and TriggerTech trigger combination produces the kind of consistency useful in precision rifle competitions. 
• Range work: The 24-inch barrel and light weight (7.10 lbs) make it comfortable to shoot off the bench for extended practice sessions.

The Nosler Model 21 in .28 Nosler draws generally positive reactions, with a few consistent caveats.

Accuracy is the most frequent compliment — owners report tight groups from the Shilen barrel, and the TriggerTech trigger gets credit for a pull that's predictable enough for long-range work without needing a drop-in replacement. The bolt action is smooth and feeds reliably from the magazine. Ergonomics are good; the all-weather stock holds up in field conditions and the 7.10 lb weight doesn't tire out a shooter on a long hunt.

The price is the main objection. The M21 costs more than many competing bolt rifles, and some buyers feel that premium is harder to justify for a caliber that's less common than .28 PRC or 7mm Rem Mag. Ammunition availability for .28 Nosler is more limited than mainstream cartridges, which is a practical consideration for anyone who doesn't reload.

Overall the rifle has a good standing among hunters focused on western big game and long-range precision shooters who are comfortable sourcing .28 Nosler ammunition.