McFarland Style Helical Gas Ring 1-pc For 308

McFarland Style Helical Gas Ring 1-pc For 308

Brand: Coda Evolution
12.00 USD In stock Buy at Merchant

A single spiral of spring steel replaces conventional piston ring-style seals in AR10 and DPMS platform bolts, providing a gas-tight seal by looping around the bolt three times.

  • Replaces conventional three-piece ‘piston ring’-style sets that can accidentally line up, causing a major leak from the gas expansion chamber in the carrier.
Variants (1)
  • Default Title — 12.00 USD — In stock

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