SilencerCo M16 Piston O-Ring Booster Pack

Inter-Store Transfer
If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination.

Metric pistons have an O-ring to help keep the silencer tight while firing. Don't be caught without a backup. Package contains two O-rings.

Size: M16 Piston

Note: Piston may come in Black or Stainless finish and will depend on available inventory.