Atheris Rifle .450 Bushmaster Barrel & Black Nitride BCG

Atheris Rifle .450 Bushmaster Barrel

• Guaranteed Sub MOA (1" at 100yds)
• 416R Stainless Steel
• 1:20 Twist
• Button Rifled 
• 3/4x24 Threads
• Headspaced Bolt Included 
• .875 Gas Block Diameter
• Mid Length Gas

Atheris Rifle Black Nitride Bolt Carrier Group

• Full auto profile
• Headspaced Bolt
• Lifetime Warranty