Springfield M1A Castle Nut. Designed to fit Springfield M1 series 7.62x51mm, .308 Win and 6.5 Creedmoor caliber rifles, this OEM castle nut fits into the flash suppressor, allowing it to thread to the barrel and mount securely. Made from matte blued steel, this castle nut is made to Springfield Armory's highest standards of material and workmanship, and is a genuine factory original part.

Manufacturer: Springfield Armory

Note: It is recommended that all Springfield parts be installed by a qualified gunsmith.

PRODUCT SPECIFICATIONS:

• Brand: Springfield Armory
• Caliber: .308 Win,7.62x51mm,6.5 Creedmoor
  
• Finish / Color: Matte Blued
  
• Firearm Type: Rifle
• Material: Steel
• Models Fit: Springfield M1A