M16 pattern

Melonite finish

8620 tool steel carrier

9310 bolt

Shot peened and magnetic particle inspected

Extractor booster

Properly staked gas key

The Radical Firearms .458 SOCOM Melonite Bolt Carrier Group features an M16 pattern 8620 tool steel carrier with 9310 alloy steel bolt, shot-peened for increased surface strength and durability. Each bolt is equipped with an extractor booster to ensure reliable cycling during rapid semi-auto or full-auto fire.A properly staked gas key prevents gas leakage that can lead to short stroking. Each assembly is magnetic particle inspected to ensure it is free from defects that can lead to premature failures. Finished with a corrosion resistant Melonite coating for easy cleaning and extended service life.