Luth-AR bolt gas rings seal the gas in the bolt and help the rifle cycle reliably. They fit .223/5.56 AR-15 bolts and are easy to install.
- Manufacturer Part # : BT-01-30P
- Type : Bolt Gas Rings
- Fits : AR-15
- Caliber : 223 Remington/5.56x45mm
- Color : Silver
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