Check the listing for details. Maddog AIRSOFT High Performance Air Seal Nozzle. Condition: New. Listed at 8.95 USD. Maddog Sports High Performance Air Seal Nozzle M4 / M16 Aluminum Construction Complete with an O-ring reducing air leakage and compression issues M4/M16 AEG Compatible High Performance Air Seal Nozzle M4 / M16 Upgrade Most stock AEG air nozzles don't reach their maxmium air compression. This is because they don't have an O-ring. Maddog's High Performance Air Seal Nozzle comes with an O-ring reducing air leakage and compression issues. Upgrade Today! Features: * High Performance Air Seal Nozzle * O-Ring * Aluminum Construction * AEG Compatible For Airsoft Use ONLY Shipping - Orders ship the same day if ordered by 12pm pst excluding weekends and holidays. Zephyr Sports ships using USPS, UPS or Fedex from multiple warehouses across the country. Orders arrive in 1-7 business days. Tracking will be provided as soon as the order ships. Tracking numbers may take 24 hours to be active. Customer Service - Please contact us through ebay if you have any issues with your order. 30 Day Return Policy - All returns require authorization prior to being sent in. Please make contact through eBay for an RMA#. Returns will only be accepted for orders with new, un-used items w/ their original packaging in tact within the first 30 Days of receiving your order. Buyer pays for all return shipping + standard restock fee. Any items sent back in used or damaged condition will be subject to additional fees determined upon inspection. All defective product claims need to be addressed by the manufacturer's tech department prior to being accepted as an approved return. Approved defective product returns will be replaced within the first 30 days of receiving order. Manufacturer's warranty goes into affect thereafter. Please contact manufacturer directly for tech support/warranty information. Refused/Undeliverable packages will be subject to standard return policy. MD-2457-NOZZLEM4