T.REX Arms has introduced the T.REX Bolt Carrier Group, engineered for top performance and durability. It highlights a hard chrome finish, sand cuts for suppressor use, and a sturdy gas key made from 4130 chromoly steel. The BCM bolt is crafted from Carpenter 158 steel and undergoes extensive testing to ensure reliability.
T.REX Arms states “The T.REX Bolt Carrier Group has everything we look for when buying a BCG. It features a hard chrome finish for excellent corrosion resistance and increased lubricity, as well as sand cuts for prolonged suppressor use. The gas key is made from 4130 chromoly steel, phosphate/chrome-lined per Mil-Spec, sealed with Permatex, and secured with properly staked T25 Torx fasteners. The included BCM bolt is made from Carpenter 158 steel with a phosphate finish and is both HPT and MPI tested.”
DETAILS:
- Angled carrier rail cuts (Sand Cuts) for adverse conditions and prolonged suppressed use
- Standard side venting, full auto profile
- Hard chrome 8620 steel carrier. Outside rails, bolt runs, and gas bores ground to .0002 tolerances
- Phosphate/chrome-lined 4130 gas key, secured with T25 Torx fasteners, torqued to spec, and staked with a hydraulic staking machine
- Permatex sealed gas key to prevent leakage
- Bolt assembly machined from Mil-Spec Carpenter No. 158 steel, shot peened
- Tool steel extractor with BCM extractor spring
- Tool steel ejector
- HPT (High-Pressure Tested) and MPI (Magnetic Particle Inspected)
- 8640 hard chrome-plated firing pin and 4340 cam pin, both per USGI spec
Learn more about T.REX Arms. CLICK HERE