WASHINGTON, D.C. — NSSF®, The Firearm Industry Trade Association, invites hunters and shooters to bid on a Winchester SX4 Upland Field 20 Gauge Shotgun on GunBroker.com, with proceeds benefitting NSSF’s Project ChildSafe® firearm safety program. Bidding is now open and continues through October 12. The auction features the Winchester SX4 Upland Field 20 Gauge, a […] The post GunBroker Auction of Winchester SX4 Shotgun Supports Project ChildSafe® appeared first on NSSF.