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The LANTAC M-SPEC Bolt Carrier Group is a .762 caliber bolt carrier group for AR-platform rifles, built to military specification performance standards with enhanced durability features. Its 8620 carrier is heat treated, hard turned and ground, while the bolt is MPI tested and shot peened for added strength.
The nitride black finish provides corrosion resistance and long-term durability, and the group is backed by a lifetime warranty. Made in the USA.
Key Features
Brand
Lantac USA
Model
M-SPEC
Type
Bolt Carrier Group
Caliber
308 Win
Finish
Nitride
Carrier Material
8620 Steel
Bolt Material
Carpenter 158 or 9310 Steel
Bolt Treatment
Shot Peened, MPI Tested
Condition
New
Country of Origin
USA
Warranty
Lifetime Warranty
Materials & care
Wipe the nitride black finish with a lightly oiled cloth to remove carbon and debris, then apply a thin coat of firearm lubricant to the carrier and bolt before use.
Compatibility
Designed for .762 caliber AR-platform rifles.
Warranty
Lifetime warranty included.
Frequently asked questions
What is the bolt carrier group made of?
The carrier is 8620 steel that is heat treated, hard turned and ground, and the bolt is Carpenter 158 or 9310 steel that is shot peened and MPI tested.
