Angstadt Arms - 5.56 Bolt Carrier Group Assembly

The Angstadt Arms 5.56 Bolt Carrier Group Assembly is a cornerstone of any reliable AR-15 build. Engineered to meet the rigorous standards of law enforcement and military applications, this bolt carrier group is machined to mil-spec dimensions and finished with a sleek black nitride coating. This ensures not only exceptional performance but also a striking appearance.

Constructed from 8620 alloy steel and featuring a QPQ black nitride finish, the carrier is built to withstand high-pressure environments. The bolt itself is crafted from Carpenter 158 tool steel, known for its durability and strength. This assembly is both high pressure tested (HPT) and magnetic particle inspected (MPI), ensuring reliability and safety in every shot.

Additional features include a shot-peened bolt, an M16-cut/full auto capable carrier, and a properly staked gas key secured with grade 8 fasteners. Forward assist serrations are also included, enhancing the functionality of this premium component.

Key Features

• Material: 8620 alloy steel with QPQ black nitride finish
• Bolt Material: Carpenter 158 tool steel
• Testing: High pressure tested (HPT) and magnetic particle inspected (MPI)
• Shot Peened: Enhances durability
• Carrier Type: M16-cut/full auto capable
• Gas Key: Properly staked with grade 8 fasteners
• Forward Assist Serrations: Included
• Color: Black

Specifications

• Manufacturer: Angstadt Arms
• Brand: Angstadt Arms
• Type: Bolt Carrier Group
• SubCategory: Bolts & Bolt Carrier Groups
• UPC: 853427007776
• MPN: AA56BCGNIT