Product Description
WMDs Bolt Assembly-Optimized for performance. The bolt was engineered for NiB-X nickel boron coating to provide long life, ease of cleaning and superior locking and unlocking action with barrel extensions.Features :Case Hardened 9310, Shot Peened, Magnetic Particle InspectedHigh Performance Extractor, Ejector Springs, and Gas RingsSpecial O-Ring BufferNiB-X Coated Bolt and Extractor