The Mossberg Patriot Synthetic in .450 Bushmaster is a bolt-action rifle with a 20-inch threaded barrel, 4+1 capacity, black synthetic stock, and matte blued finish. It weighs 6.5 lbs. with an overall length of 40.25 inches. 
 

Key Specifications 

• Caliber: .450 Bushmaster 
• Capacity: 4+1 rounds 
• Barrel Length: 20 inches 
• Weight: 6.5 lbs 
• Length Overall: 40.25 inches 
• Finish: Matte Blued with Black Synthetic Stock 
   

Detailed Features 

The bolt action provides controlled feeding and extraction. The threaded muzzle accommodates suppressors or muzzle brakes, which is practical given the .450 Bushmaster's recoil. The adjustable LBA trigger allows pull weight customization without tools. Weaver-style bases come pre-installed for optics mounting. Barrel twist rate is 1:24", which stabilizes the heavy-for-caliber .450 Bushmaster projectiles effectively. The synthetic stock holds up in field conditions without refinishing. 
 

Usage Scenarios 

The .450 Bushmaster is primarily a deer and large game hunting caliber, particularly in states requiring straight-wall cartridges in certain zones. The 20-inch barrel keeps overall length manageable in dense cover. The threaded muzzle makes adding a muzzle brake straightforward for shooters who want to reduce felt recoil.

Accuracy feedback on the Mossberg Patriot in .450 Bushmaster is consistently positive — owners report good groupings at medium range, and the caliber's energy is well-suited for deer hunting. The build quality is rated as solid and the price point relative to competing .450 Bushmaster options is frequently cited as an advantage.

The .450 Bushmaster's recoil is the most common discussion point. Most shooters manage it with practice or a muzzle brake, but it's a legitimate consideration for new hunters or smaller-framed shooters. A few owners report minor feeding or extraction issues during the initial break-in period, which generally resolves with use.

Customization discussions focus on optics and muzzle devices, with the Weaver bases and threaded barrel simplifying both. The design draws mixed aesthetic opinions; some prefer a more modern look while others find the traditional styling appropriate.