Toolcraft 7.62x39 Bolt Carrier Group - Chrome Phosphate

Toolcraft 7.62×39 Bolt Carrier Group – Chrome Phosphate

The Toolcraft 7.62×39 Bolt Carrier Group – Chrome Phosphate is a full-auto profile M16 BCG manufactured to strict standards using high-grade, U.S.-sourced materials. Designed specifically for AR-15 platforms chambered in 7.62x39mm, this bolt carrier group preserves the classic MIL-SPEC appearance while delivering dependable performance. It is fully made in the U.S.A. and backed by Toolcraft’s no-questions-asked lifetime warranty.

The carrier is machined from 8620 steel and features a black magnesium phosphate finish for corrosion resistance and surface protection. Its interior is chrome lined, including the gas key, providing enhanced wear resistance and smooth operation under high round counts. The gas key is made from 4130 steel and secured with properly staked Grade 8 screws, ensuring secure operation and longevity.

The bolt is crafted from 9310 steel, shot peened, and MPI-inspected to guarantee structural integrity. Designed for 7.62x39mm cartridges, the bolt features an extractor machined from 4140 steel and includes three Mil-Spec O-rings for enhanced case control and consistent extraction. Supporting components include a 416 stainless steel firing pin, an 8620 steel cam pin, and three Mil-Spec gas rings for reliable cycling.

This BCG is ideal for AR-15 rifle builders and shooters who prefer a traditional phosphate finish with proven internal upgrades such as chrome lining. Toolcraft’s long-standing reputation as an OEM manufacturer for the U.S. military and major firearms brands ensures that each unit meets demanding performance standards in both civilian and duty applications.

All Toolcraft Bolt Carrier Groups sold by Arm or Ally are factory-direct and include the original manufacturer’s coating and warranty. Third-party coated variants may not be covered by Toolcraft’s warranty, making Arm or Ally a trusted source for authentic, warrantied Toolcraft components. Whether you are assembling a rugged AK-caliber AR build or replacing a worn-out BCG, this unit offers a balanced mix of reliability, durability, and traditional aesthetics.