Bunker Hill Surplus is located South of Jennings, OK on Highway 99. We are an 01 FFL and are able help with your firearms needs. $30 Firearm Transfers and 90 Day Layaway plans available. Call or TEXT to 918-862-0120
Mfg Item #: AC90
Metric pistons have an O-ring to help keep the silencer tight while firing. Each pack comes with two O-rings.